mem_cgroup_node_nr_lru_pages() is just a convenience wrapper around
lruvec_page_state() that takes bitmasks of lru indexes and aggregates the
counts for those.
Replace callsites where the bitmask is simple enough with direct
lruvec_page_state() calls.
This removes the last extern user of mem_cgroup_node_nr_lru_pages(), so
make that function private again, too.
Link: http://lkml.kernel.org/r/20190228163020.24100-5-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Instead of adding up the zone counters, use lruvec_page_state() to get the
node state directly. This is a bit cheaper and more stream-lined.
Link: http://lkml.kernel.org/r/20190228163020.24100-3-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: memcontrol: clean up the LRU counts tracking".
The memcg LRU stats usage is currently a bit messy. Memcg has private
per-zone counters because reclaim needs zone granularity sometimes, but we
also have plenty of users that need to awkwardly sum them up to node or
memcg granularity. Meanwhile the canonical per-memcg vmstats do not track
the LRU counts (NR_INACTIVE_ANON etc.) as you'd expect.
This series enables LRU count tracking in the per-memcg vmstats array such
that lruvec_page_state() and memcg_page_state() work on the enum
node_stat_item items for the LRU counters. Then it converts all the
callers that don't specifically need per-zone numbers over to that.
This patch (of 6):
The memcg code currently maintains private per-zone breakdowns of the LRU
counters. This is necessary for reclaim decisions which are still
zone-based, but there are a variety of users of these counters that only
want the aggregate per-lruvec or per-memcg LRU counts, and they need to
painfully sum up the zone counters on each request for that.
These would be better served using the memcg vmstats arrays, which track
VM statistics at the desired scope already. They just don't have the LRU
counts right now.
So to kick off the conversion, begin tracking LRU counts in those.
Link: http://lkml.kernel.org/r/20190228163020.24100-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Roman Gushchin <guro@fb.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
To facilitate additional options to get_user_pages_fast() change the
singular write parameter to be gup_flags.
This patch does not change any functionality. New functionality will
follow in subsequent patches.
Some of the get_user_pages_fast() call sites were unchanged because they
already passed FOLL_WRITE or 0 for the write parameter.
NOTE: It was suggested to change the ordering of the get_user_pages_fast()
arguments to ensure that callers were converted. This breaks the current
GUP call site convention of having the returned pages be the final
parameter. So the suggestion was rejected.
Link: http://lkml.kernel.org/r/20190328084422.29911-4-ira.weiny@intel.com
Link: http://lkml.kernel.org/r/20190317183438.2057-4-ira.weiny@intel.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Mike Marshall <hubcap@omnibond.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pach series "Add FOLL_LONGTERM to GUP fast and use it".
HFI1, qib, and mthca, use get_user_pages_fast() due to its performance
advantages. These pages can be held for a significant time. But
get_user_pages_fast() does not protect against mapping FS DAX pages.
Introduce FOLL_LONGTERM and use this flag in get_user_pages_fast() which
retains the performance while also adding the FS DAX checks. XDP has also
shown interest in using this functionality.[1]
In addition we change get_user_pages() to use the new FOLL_LONGTERM flag
and remove the specialized get_user_pages_longterm call.
[1] https://lkml.org/lkml/2019/3/19/939
"longterm" is a relative thing and at this point is probably a misnomer.
This is really flagging a pin which is going to be given to hardware and
can't move. I've thought of a couple of alternative names but I think we
have to settle on if we are going to use FL_LAYOUT or something else to
solve the "longterm" problem. Then I think we can change the flag to a
better name.
Secondly, it depends on how often you are registering memory. I have
spoken with some RDMA users who consider MR in the performance path...
For the overall application performance. I don't have the numbers as the
tests for HFI1 were done a long time ago. But there was a significant
advantage. Some of which is probably due to the fact that you don't have
to hold mmap_sem.
Finally, architecturally I think it would be good for everyone to use
*_fast. There are patches submitted to the RDMA list which would allow
the use of *_fast (they reworking the use of mmap_sem) and as soon as they
are accepted I'll submit a patch to convert the RDMA core as well. Also
to this point others are looking to use *_fast.
As an aside, Jasons pointed out in my previous submission that *_fast and
*_unlocked look very much the same. I agree and I think further cleanup
will be coming. But I'm focused on getting the final solution for DAX at
the moment.
This patch (of 7):
This patch starts a series which aims to support FOLL_LONGTERM in
get_user_pages_fast(). Some callers who would like to do a longterm (user
controlled pin) of pages with the fast variant of GUP for performance
purposes.
Rather than have a separate get_user_pages_longterm() call, introduce
FOLL_LONGTERM and change the longterm callers to use it.
This patch does not change any functionality. In the short term
"longterm" or user controlled pins are unsafe for Filesystems and FS DAX
in particular has been blocked. However, callers of get_user_pages_fast()
were not "protected".
FOLL_LONGTERM can _only_ be supported with get_user_pages[_fast]() as it
requires vmas to determine if DAX is in use.
NOTE: In merging with the CMA changes we opt to change the
get_user_pages() call in check_and_migrate_cma_pages() to a call of
__get_user_pages_locked() on the newly migrated pages. This makes the
code read better in that we are calling __get_user_pages_locked() on the
pages before and after a potential migration.
As a side affect some of the interfaces are cleaned up but this is not the
primary purpose of the series.
In review[1] it was asked:
<quote>
> This I don't get - if you do lock down long term mappings performance
> of the actual get_user_pages call shouldn't matter to start with.
>
> What do I miss?
A couple of points.
First "longterm" is a relative thing and at this point is probably a
misnomer. This is really flagging a pin which is going to be given to
hardware and can't move. I've thought of a couple of alternative names
but I think we have to settle on if we are going to use FL_LAYOUT or
something else to solve the "longterm" problem. Then I think we can
change the flag to a better name.
Second, It depends on how often you are registering memory. I have spoken
with some RDMA users who consider MR in the performance path... For the
overall application performance. I don't have the numbers as the tests
for HFI1 were done a long time ago. But there was a significant
advantage. Some of which is probably due to the fact that you don't have
to hold mmap_sem.
Finally, architecturally I think it would be good for everyone to use
*_fast. There are patches submitted to the RDMA list which would allow
the use of *_fast (they reworking the use of mmap_sem) and as soon as they
are accepted I'll submit a patch to convert the RDMA core as well. Also
to this point others are looking to use *_fast.
As an asside, Jasons pointed out in my previous submission that *_fast and
*_unlocked look very much the same. I agree and I think further cleanup
will be coming. But I'm focused on getting the final solution for DAX at
the moment.
</quote>
[1] https://lore.kernel.org/lkml/20190220180255.GA12020@iweiny-DESK2.sc.intel.com/T/#md6abad2569f3bf6c1f03686c8097ab6563e94965
[ira.weiny@intel.com: v3]
Link: http://lkml.kernel.org/r/20190328084422.29911-2-ira.weiny@intel.com
Link: http://lkml.kernel.org/r/20190328084422.29911-2-ira.weiny@intel.com
Link: http://lkml.kernel.org/r/20190317183438.2057-2-ira.weiny@intel.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Mike Marshall <hubcap@omnibond.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: Generalize putback functions"]
putback_inactive_pages() and move_active_pages_to_lru() are almost
similar, so this patchset merges them ina single function.
This patch (of 4):
The patch moves the calculation from putback_inactive_pages() to
shrink_inactive_list(). This makes putback_inactive_pages() looking more
similar to move_active_pages_to_lru().
To do that, we account activated pages in reclaim_stat::nr_activate.
Since a page may change its LRU type from anon to file cache inside
shrink_page_list() (see ClearPageSwapBacked()), we have to account pages
for the both types. So, nr_activate becomes an array.
Previously we used nr_activate to account PGACTIVATE events, but now we
account them into pgactivate variable (since they are about number of
pages in general, not about sum of hpage_nr_pages).
Link: http://lkml.kernel.org/r/155290127956.31489.3393586616054413298.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Transparent Huge Pages are currently stored in i_pages as pointers to
consecutive subpages. This patch changes that to storing consecutive
pointers to the head page in preparation for storing huge pages more
efficiently in i_pages.
Large parts of this are "inspired" by Kirill's patch
https://lore.kernel.org/lkml/20170126115819.58875-2-kirill.shutemov@linux.intel.com/
[willy@infradead.org: fix swapcache pages]
Link: http://lkml.kernel.org/r/20190324155441.GF10344@bombadil.infradead.org
[kirill@shutemov.name: hugetlb stores pages in page cache differently]
Link: http://lkml.kernel.org/r/20190404134553.vuvhgmghlkiw2hgl@kshutemo-mobl1
Link: http://lkml.kernel.org/r/20190307153051.18815-1-willy@infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Jan Kara <jack@suse.cz>
Reviewed-by: Kirill Shutemov <kirill@shutemov.name>
Reviewed-and-tested-by: Song Liu <songliubraving@fb.com>
Tested-by: William Kucharski <william.kucharski@oracle.com>
Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Tested-by: Qian Cai <cai@lca.pw>
Cc: Hugh Dickins <hughd@google.com>
Cc: Song Liu <liu.song.a23@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Userfaultfd can be misued to make it easier to exploit existing
use-after-free (and similar) bugs that might otherwise only make a
short window or race condition available. By using userfaultfd to
stall a kernel thread, a malicious program can keep some state that it
wrote, stable for an extended period, which it can then access using an
existing exploit. While it doesn't cause the exploit itself, and while
it's not the only thing that can stall a kernel thread when accessing a
memory location, it's one of the few that never needs privilege.
We can add a flag, allowing userfaultfd to be restricted, so that in
general it won't be useable by arbitrary user programs, but in
environments that require userfaultfd it can be turned back on.
Add a global sysctl knob "vm.unprivileged_userfaultfd" to control
whether userfaultfd is allowed by unprivileged users. When this is
set to zero, only privileged users (root user, or users with the
CAP_SYS_PTRACE capability) will be able to use the userfaultfd
syscalls.
Andrea said:
: The only difference between the bpf sysctl and the userfaultfd sysctl
: this way is that the bpf sysctl adds the CAP_SYS_ADMIN capability
: requirement, while userfaultfd adds the CAP_SYS_PTRACE requirement,
: because the userfaultfd monitor is more likely to need CAP_SYS_PTRACE
: already if it's doing other kind of tracking on processes runtime, in
: addition of userfaultfd. In other words both syscalls works only for
: root, when the two sysctl are opt-in set to 1.
[dgilbert@redhat.com: changelog additions]
[akpm@linux-foundation.org: documentation tweak, per Mike]
Link: http://lkml.kernel.org/r/20190319030722.12441-2-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Suggested-by: Andrea Arcangeli <aarcange@redhat.com>
Suggested-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Maya Gokhale <gokhale2@llnl.gov>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Pavel Emelyanov <xemul@virtuozzo.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Martin Cracauer <cracauer@cons.org>
Cc: Denis Plotnikov <dplotnikov@virtuozzo.com>
Cc: Marty McFadden <mcfadden8@llnl.gov>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: "Dr . David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We now use the slab_list list_head instead of the lru list_head. This
comment has become stale.
Remove stale comment from page struct slab_list list_head.
Link: http://lkml.kernel.org/r/20190402230545.2929-8-tobin@kernel.org
Signed-off-by: Tobin C. Harding <tobin@kernel.org>
Acked-by: Christoph Lameter <cl@linux.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: Use slab_list list_head instead of lru", v5.
Currently the slab allocators (ab)use the struct page 'lru' list_head. We
have a list head for slab allocators to use, 'slab_list'.
During v2 it was noted by Christoph that the SLOB allocator was reaching
into a list_head, this version adds 2 patches to the front of the set to
fix that.
Clean up all three allocators by using the 'slab_list' list_head instead
of overloading the 'lru' list_head.
This patch (of 7):
Currently if we wish to rotate a list until a specific item is at the
front of the list we can call list_move_tail(head, list). Note that the
arguments are the reverse way to the usual use of list_move_tail(list,
head). This is a hack, it depends on the developer knowing how the
list_head operates internally which violates the layer of abstraction
offered by the list_head. Also, it is not intuitive so the next developer
to come along must study list.h in order to fully understand what is meant
by the call, while this is 'good for' the developer it makes reading the
code harder. We should have an function appropriately named that does
this if there are users for it intree.
By grep'ing the tree for list_move_tail() and list_tail() and attempting
to guess the argument order from the names it seems there is only one
place currently in the tree that does this - the slob allocatator.
Add function list_rotate_to_front() to rotate a list until the specified
item is at the front of the list.
Link: http://lkml.kernel.org/r/20190402230545.2929-2-tobin@kernel.org
Signed-off-by: Tobin C. Harding <tobin@kernel.org>
Reviewed-by: Christoph Lameter <cl@linux.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Including:
- ATS support for ARM-SMMU-v3.
- AUX domain support in the IOMMU-API and the Intel VT-d driver.
This adds support for multiple DMA address spaces per
(PCI-)device. The use-case is to multiplex devices between
host and KVM guests in a more flexible way than supported by
SR-IOV.
- The Rest are smaller cleanups and fixes, two of which needed
to be reverted after testing in linux-next.
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Merge tag 'iommu-updates-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- ATS support for ARM-SMMU-v3.
- AUX domain support in the IOMMU-API and the Intel VT-d driver. This
adds support for multiple DMA address spaces per (PCI-)device. The
use-case is to multiplex devices between host and KVM guests in a
more flexible way than supported by SR-IOV.
- the rest are smaller cleanups and fixes, two of which needed to be
reverted after testing in linux-next.
* tag 'iommu-updates-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (45 commits)
Revert "iommu/amd: Flush not present cache in iommu_map_page"
Revert "iommu/amd: Remove the leftover of bypass support"
iommu/vt-d: Fix leak in intel_pasid_alloc_table on error path
iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
iommu/vt-d: Set intel_iommu_gfx_mapped correctly
iommu/amd: Flush not present cache in iommu_map_page
iommu/vt-d: Cleanup: no spaces at the start of a line
iommu/vt-d: Don't request page request irq under dmar_global_lock
iommu/vt-d: Use struct_size() helper
iommu/mediatek: Fix leaked of_node references
iommu/amd: Remove amd_iommu_pd_list
iommu/arm-smmu: Log CBFRSYNRA register on context fault
iommu/arm-smmu-v3: Don't disable SMMU in kdump kernel
iommu/arm-smmu-v3: Disable tagged pointers
iommu/arm-smmu-v3: Add support for PCI ATS
iommu/arm-smmu-v3: Link domains and devices
iommu/arm-smmu-v3: Add a master->domain pointer
iommu/arm-smmu-v3: Store SteamIDs in master
iommu/arm-smmu-v3: Rename arm_smmu_master_data to arm_smmu_master
ACPI/IORT: Check ATS capability in root complex nodes
...
- fscrypt framework usage updates
- One huge fix for xattr unlink
- Cleanup of fscrypt ifdefs
- Fix for our new UBIFS auth feature
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Merge tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
Pull UBI/UBIFS updates from Richard Weinberger:
- fscrypt framework usage updates
- One huge fix for xattr unlink
- Cleanup of fscrypt ifdefs
- Fix for our new UBIFS auth feature
* tag 'upstream-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
ubi: wl: Fix uninitialized variable
ubifs: Drop unnecessary setting of zbr->znode
ubifs: Remove ifdefs around CONFIG_UBIFS_ATIME_SUPPORT
ubifs: Remove #ifdef around CONFIG_FS_ENCRYPTION
ubifs: Limit number of xattrs per inode
ubifs: orphan: Handle xattrs like files
ubifs: journal: Handle xattrs like files
ubifs: find.c: replace swap function with built-in one
ubifs: Do not skip hash checking in data nodes
ubifs: work around high stack usage with clang
ubifs: remove unused function __ubifs_shash_final
ubifs: remove unnecessary #ifdef around fscrypt_ioctl_get_policy()
ubifs: remove unnecessary calls to set up directory key
MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from generic
functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
* Switch to ->exec-op().
- meson:
* Misc cleanups and fixes.
* New OOB layout.
- Sunxi:
* A23/A33 NAND DMA support.
- Ingenic:
* Full reorganization and cleanup.
* Clear separation between NAND controller and ECC engine.
* Support JZ4740 an JZ4725B.
- Denali:
* Clear controller/chip separation.
* ->exec_op() migration.
* Various cleanups.
- fsl_elbc:
* Enable software ECC support.
- Atmel:
* Sam9x60 support.
- GPMI:
* Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
* Avoid crossing 4K address boundary on read/write
* Add support for Intel Comet Lake SPI serial flash
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Merge tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- New AFS partition parser
- Update MAINTAINERS entry
- Use of fall-throughs markers
NAND core changes:
- Support having the bad block markers in either the first, second or
last page of a block. The combination of all three location is now
possible.
- Constification of NAND_OP_PARSER(_PATTERN) elements.
- Generic NAND DT bindings changed to yaml format (can be used to
check the proposed bindings. First platform to be fully supported:
sunxi.
- Stopped using several legacy hooks.
- Preparation to use the generic NAND layer with the addition of
several helpers and the removal of the struct nand_chip from
generic functions.
- Kconfig cleanup to prepare the introduction of external ECC engines
support.
- Fallthrough comments.
- Introduction of the SPI-mem dirmap API for SPI-NAND devices.
Raw NAND controller drivers changes:
- nandsim:
- Switch to ->exec-op().
- meson:
- Misc cleanups and fixes.
- New OOB layout.
- Sunxi:
- A23/A33 NAND DMA support.
- Ingenic:
- Full reorganization and cleanup.
- Clear separation between NAND controller and ECC engine.
- Support JZ4740 an JZ4725B.
- Denali:
- Clear controller/chip separation.
- ->exec_op() migration.
- Various cleanups.
- fsl_elbc:
- Enable software ECC support.
- Atmel:
- Sam9x60 support.
- GPMI:
- Introduce the GPMI_IS_MXS() macro.
- Various trivial/spelling/coding style fixes.
SPI NOR core changes:
- Print all JEDEC ID bytes on error
- Fix comment of spi_nor_find_best_erase_type()
- Add region locking flags for s25fl512s
SPI NOR controller drivers changes:
- intel-spi:
- Avoid crossing 4K address boundary on read/write
- Add support for Intel Comet Lake SPI serial flash"
* tag 'mtd/for-5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (120 commits)
mtd: part: fix incorrect format specifier for an unsigned long long
mtd: lpddr_cmds: Mark expected switch fall-through
mtd: phram: Mark expected switch fall-throughs
mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
mtd: cfi_util: mark expected switch fall-throughs
MAINTAINERS: MTD Git repository is hosted on kernel.org
MAINTAINERS: Update jffs2 entry
mtd: afs: add v2 partition parsing
mtd: afs: factor the IIS read into partition parser
mtd: afs: factor footer parsing into the v1 part parsing
mtd: factor out v1 partition parsing
mtd: afs: simplify partition detection
mtd: afs: simplify partition parsing
mtd: partitions: Add OF support to AFS partitions
mtd: partitions: Add AFS partitions DT bindings
mtd: afs: Move AFS partition parser to parsers subdir
mtd: maps: Make uclinux_ram_map static
mtd: maps: Allow MTD_PHYSMAP with MTD_RAM
MAINTAINERS: Add myself as MTD maintainer
MAINTAINERS: Remove my name from the MTD and NAND entries
...
CrOS EC:
- Add EC host command support using rpmsg
- Add new CrOS USB PD logging driver
- Transfer spi messages at high priority
- Add support to trace CrOS EC commands
- Minor fixes and cleanups in protocol and debugfs
Wilco EC:
- Standardize Wilco EC mailbox interface
- Add h1_gpio status to debugfs
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Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"CrOS EC:
- Add EC host command support using rpmsg
- Add new CrOS USB PD logging driver
- Transfer spi messages at high priority
- Add support to trace CrOS EC commands
- Minor fixes and cleanups in protocol and debugfs
Wilco EC:
- Standardize Wilco EC mailbox interface
- Add h1_gpio status to debugfs"
* tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_proto: Add trace event to trace EC commands
platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper
platform/chrome: cros_ec: Add EC host command support using rpmsg
platform/chrome: wilco_ec: Add h1_gpio status to debugfs
platform/chrome: wilco_ec: Standardize mailbox interface
platform/chrome: cros_ec_proto: check for NULL transfer function
platform/chrome: Add CrOS USB PD logging driver
platform/chrome: cros_ec_spi: Transfer messages at high priority
platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions
platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to
be handled consistently. Unsurprisingly, we enforce the lines to
be either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone
does, so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed.
Such nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs
and outputs at the same time and after improving the MMIO library
we handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM
work as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update.
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Merge tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull gpio updates from Linus Walleij:
"This is the bulk of the GPIO changes for the v5.2 kernel cycle. A bit
later than usual because I was ironing out my own mistakes. I'm
holding some stuff back for the next kernel as a result, and this
should be a healthy and well tested batch.
Core changes:
- The gpiolib MMIO driver has been enhanced to handle two direction
registers, i.e. one register to set lines as input and one register
to set lines as output. It turns out some silicon engineer thinks
the ability to configure a line as input and output at the same
time makes sense, this can be debated but includes a lot of analog
electronics reasoning, and the registers are there and need to be
handled consistently. Unsurprisingly, we enforce the lines to be
either inputs or outputs in such schemes.
- Send in the proper argument value to .set_config() dispatched to
the pin control subsystem. Nobody used it before, now someone does,
so fix it to work as expected.
- The ACPI gpiolib portions can now handle pin bias setting (pull up
or pull down). This has been in the ACPI spec for years and we
finally have it properly integrated with Linux GPIOs. It was based
on an observation from Andy Schevchenko that Thomas Petazzoni's
changes to the core for biasing the PCA950x GPIO expander actually
happen to fit hand-in-glove with what the ACPI core needed. Such
nice synergies happen sometimes.
New drivers:
- A new driver for the Mellanox BlueField GPIO controller. This is
using 64bit MMIO registers and can configure lines as inputs and
outputs at the same time and after improving the MMIO library we
handle it just fine. Interesting.
- A new IXP4xx proper gpiochip driver with hierarchical interrupts
should be coming in from the ARM SoC tree as well.
Driver enhancements:
- The PCA053x driver handles the CAT9554 GPIO expander.
- The PCA053x driver handles the NXP PCAL6416 GPIO expander.
- Wake-up support on PCA053x GPIO lines.
- OMAP now does a nice asynchronous IRQ handling on wake-ups by
letting everything wake up on edges, and this makes runtime PM work
as expected too.
Misc:
- Several cleanups such as devres fixes.
- Get rid of some languager comstructs that cause problems when
compiling with LLVMs clang.
- Documentation review and update"
* tag 'gpio-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: Update documentation
docs: gpio: convert docs to ReST and rename to *.rst
gpio: sch: Remove write-only core_base
gpio: pxa: Make two symbols static
gpiolib: acpi: Respect pin bias setting
gpiolib: acpi: Add acpi_gpio_update_gpiod_lookup_flags() helper
gpiolib: acpi: Set pin value, based on bias, more accurately
gpiolib: acpi: Change type of dflags
gpiolib: Introduce GPIO_LOOKUP_FLAGS_DEFAULT
gpiolib: Make use of enum gpio_lookup_flags consistent
gpiolib: Indent entry values of enum gpio_lookup_flags
gpio: pca953x: add support for pca6416
dt-bindings: gpio: pca953x: document the nxp,pca6416
gpio: pca953x: add pcal6416 to the of_device_id table
gpio: gpio-omap: Remove conditional pm_runtime handling for GPIO interrupts
gpio: gpio-omap: configure edge detection for level IRQs for idle wakeup
tracing: stop making gpio tracing configurable
gpio: pca953x: Configure wake-up path when wake-up is enabled
gpio: of: Optimize quirk checks
gpio: mmio: Drop bgpio_dir_inverted
...
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases
(Parav Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
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Merge tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Improve dev_printk() usage (Bjorn Helgaas)
- Fix issue with blocking in !TASK_RUNNING state while waiting for
userspace to release devices (Farhan Ali)
- Fix error path cleanup in nvlink setup (Greg Kurz)
- mdev-core cleanups and fixes in preparation for more use cases (Parav
Pandit)
- Cornelia has volunteered as an official vfio reviewer (Cornelia Huck)
* tag 'vfio-v5.2-rc1' of git://github.com/awilliam/linux-vfio:
vfio: Add Cornelia Huck as reviewer
vfio/mdev: Avoid inline get and put parent helpers
vfio/mdev: Fix aborting mdev child device removal if one fails
vfio/mdev: Follow correct remove sequence
vfio/mdev: Avoid masking error code to EBUSY
vfio/mdev: Drop redundant extern for exported symbols
vfio/mdev: Removed unused kref
vfio/mdev: Avoid release parent reference during error path
vfio-pci/nvlink2: Fix potential VMA leak
vfio: Fix WARNING "do not call blocking ops when !TASK_RUNNING"
vfio: Use dev_printk() when possible
New driver of power button for Basin Cove PMIC.
ASUS WMI driver has got a Fn lock mode switch support.
Resolve a never end story with non working Wi-Fi on newer Lenovo Ideapad
computers. Now the black list is replaced with white list.
New facility to debug S0ix failures on Intel Atom platforms. The Intel PMC
and accompanying drivers are cleaned up.
Mellanox got a new TmFifo driver. Besides tachometer sensor and watchdog
are enabled on Mellanox platforms.
The information of embedded controller is now recognized on new Thinkpads.
Bluetooth driver on Thinkpads is blacklisted for some models.
Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b' and
Myria MY8307 2-in-1.
Additionally few small fixes here and there for WMI and ACPI laptop drivers.
The following is an automated git shortlog grouped by driver:
alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
asus-wmi:
- Add fn-lock mode switch support
dell-laptop:
- fix rfkill functionality
dell-rbtn:
- Add missing #include
ideapad-laptop:
- Remove no_hw_rfkill_list
intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
intel_punit_ipc:
- Revert "Fix resource ioremap warning"
mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
sony-laptop:
- Fix unintentional fall-through
thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1
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Merge tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Gathered pile of patches for Platform Drivers x86. No surprises and no
merge conflicts. Business as usual.
Summary:
- New driver of power button for Basin Cove PMIC.
- ASUS WMI driver has got a Fn lock mode switch support.
- Resolve a never end story with non working Wi-Fi on newer Lenovo
Ideapad computers. Now the black list is replaced with white list.
- New facility to debug S0ix failures on Intel Atom platforms. The
Intel PMC and accompanying drivers are cleaned up.
- Mellanox got a new TmFifo driver. Besides tachometer sensor and
watchdog are enabled on Mellanox platforms.
- The information of embedded controller is now recognized on new
Thinkpads. Bluetooth driver on Thinkpads is blacklisted for some
models.
- Touchscreen DMI driver extended to support 'jumper ezpad 6 pro b'
and Myria MY8307 2-in-1.
- Additionally few small fixes here and there for WMI and ACPI laptop
drivers.
- The following is an automated git shortlog grouped by driver:
- alienware-wmi:
- printing the wrong error code
- fix kfree on potentially uninitialized pointer
- asus-wmi:
- Add fn-lock mode switch support
- dell-laptop:
- fix rfkill functionality
- dell-rbtn:
- Add missing #include
- ideapad-laptop:
- Remove no_hw_rfkill_list
- intel_pmc_core:
- Allow to dump debug registers on S0ix failure
- Convert to a platform_driver
- Mark local function static
- intel_pmc_ipc:
- Don't map non-used optional resources
- Apply same width for offset definitions
- Use BIT() macro
- adding error handling
- intel_punit_ipc:
- Revert "Fix resource ioremap warning"
- mlx-platform:
- Add mlx-wdt platform driver activation
- Add support for tachometer speed register
- Add TmFifo driver for Mellanox BlueField Soc
- sony-laptop:
- Fix unintentional fall-through
- thinkpad_acpi:
- cleanup for Thinkpad ACPI led
- Mark expected switch fall-throughs
- fix spelling mistake "capabilites" -> "capabilities"
- Read EC information on newer models
- Disable Bluetooth for some machines
- touchscreen_dmi:
- Add info for 'jumper ezpad 6 pro b' touchscreen
- Add info for Myria MY8307 2-in-1"
* tag 'platform-drivers-x86-v5.2-1' of git://git.infradead.org/linux-platform-drivers-x86: (26 commits)
platform/x86: Add support for Basin Cove power button
platform/x86: asus-wmi: Add fn-lock mode switch support
platform/x86: ideapad-laptop: Remove no_hw_rfkill_list
platform/x86: touchscreen_dmi: Add info for 'jumper ezpad 6 pro b' touchscreen
platform/x86: thinkpad_acpi: cleanup for Thinkpad ACPI led
platform/x86: thinkpad_acpi: Mark expected switch fall-throughs
platform/x86: sony-laptop: Fix unintentional fall-through
platform/x86: alienware-wmi: printing the wrong error code
platform/x86: intel_pmc_core: Allow to dump debug registers on S0ix failure
platform/x86: intel_pmc_core: Convert to a platform_driver
platform/x86: mlx-platform: Add mlx-wdt platform driver activation
platform/x86: mlx-platform: Add support for tachometer speed register
platform/mellanox: Add TmFifo driver for Mellanox BlueField Soc
platform/x86: thinkpad_acpi: fix spelling mistake "capabilites" -> "capabilities"
platform/x86: intel_punit_ipc: Revert "Fix resource ioremap warning"
platform/x86: intel_pmc_ipc: Don't map non-used optional resources
platform/x86: intel_pmc_ipc: Apply same width for offset definitions
platform/x86: intel_pmc_ipc: Use BIT() macro
platform/x86: alienware-wmi: fix kfree on potentially uninitialized pointer
platform/x86: dell-laptop: fix rfkill functionality
...
- fix regression in fbcon logo handling on 'quiet' boots (Andreas Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver - fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver - fix SM720 support related issues (Yifeng Li)
- update macfb driver - fix DAFB colour table pointer initialization and
remove redundant code (Finn Thain)
- update atafb driver - fix kexec support, use dev_*() calls instead of
printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from atmel_lcdfb
driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva, Aditya
Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)
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Merge tag 'fbdev-v5.2' of git://github.com/bzolnier/linux
Pull fbdev updates from Bartlomiej Zolnierkiewicz:
"Four small fixes for fb core, updates for udlfb, sm712fb, macfb and
atafb drivers. Redundant code removals from amba-clcd and atmel_lcdfb
drivers. Minor fixes/cleanups for other fb drivers
Detailed summary:
- fix regression in fbcon logo handling on 'quiet' boots (Andreas
Schwab)
- fix divide-by-zero error in fb_var_to_videomode() (Shile Zhang)
- fix 'WARNING in __alloc_pages_nodemask' bug (Jiufei Xue)
- list all PCI memory BARs as conflicting apertures (Gerd Hoffmann)
- update udlfb driver: fix sleeping inside spinlock, add mutex around
rendering calls and remove redundant code (Mikulas Patocka)
- update sm712fb driver: fix SM720 support related issues (Yifeng Li)
- update macfb driver: fix DAFB colour table pointer initialization
and remove redundant code (Finn Thain)
- update atafb driver: fix kexec support, use dev_*() calls instead
of printk() and remove obsolete module support (Geert Uytterhoeven)
- add support to mxsfb driver for skipping display initialization for
flicker-free display takeover from bootloader (Melchior Franz)
- remove Versatile and Nomadik board families support from amba-clcd
driver as they are handled by DRM driver nowadays (Linus Walleij)
- remove no longer needed AVR and platform_data support from
atmel_lcdfb driver (Alexandre Belloni)
- misc fixes (Colin Ian King, Julia Lawall, Gustavo A. R. Silva,
Aditya Pakki, Kangjie Lu, YueHaibing)
- misc cleanups (Enrico Weigelt, Kefeng Wang)"
* tag 'fbdev-v5.2' of git://github.com/bzolnier/linux: (38 commits)
video: fbdev: Use dev_get_drvdata()
fbcon: Don't reset logo_shown when logo is currently shown
video: fbdev: atmel_lcdfb: remove set but not used variable 'pdata'
video: fbdev: mxsfb: remove set but not used variable 'line_count'
video: fbdev: pvr2fb: remove set but not used variable 'size'
fbdev: fix WARNING in __alloc_pages_nodemask bug
video: amba-clcd: Decomission Versatile and Nomadik
fbdev: sm712fb: fix memory frequency by avoiding a switch/case fallthrough
fbdev: fix divide error in fb_var_to_videomode
fbdev: sm712fb: use 1024x768 by default on non-MIPS, fix garbled display
fbdev: sm712fb: fix support for 1024x768-16 mode
fbdev: sm712fb: fix crashes and garbled display during DPMS modesetting
fbdev: sm712fb: fix crashes during framebuffer writes by correctly mapping VRAM
fbdev: sm712fb: fix boot screen glitch when sm712fb replaces VGA
fbdev: sm712fb: fix VRAM detection, don't set SR70/71/74/75
fbdev: sm712fb: fix brightness control on reboot, don't set SR30
fbdev: sm712fb: fix white screen of death on reboot, don't set CR3B-CR3F
video: imsttfb: fix potential NULL pointer dereferences
video: hgafb: fix potential NULL pointer dereference
fbdev: list all pci memory bars as conflicting apertures
...
Nothing out of the ordinary this cycle. The bulk of this is a collection
of fixes for existing drivers and some cleanups. There's one new driver
for i.MX SoCs and addition of support for some new variants to existing
drivers.
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Merge tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Nothing out of the ordinary this cycle.
The bulk of this is a collection of fixes for existing drivers and
some cleanups. There's one new driver for i.MX SoCs and addition of
support for some new variants to existing drivers"
* tag 'pwm/for-5.2-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: meson: Add clock source configuration for Meson G12A
dt-bindings: pwm: Update bindings for the Meson G12A Family
pwm: samsung: Don't uses devm_*() functions in ->request()
pwm: Clear chip_data in pwm_put()
pwm: Add i.MX TPM PWM driver support
dt-bindings: pwm: Add i.MX TPM PWM binding
pwm: imx27: Use devm_platform_ioremap_resource() to simplify code
pwm: meson: Use the spin-lock only to protect register modifications
pwm: meson: Don't disable PWM when setting duty repeatedly
pwm: meson: Consider 128 a valid pre-divider
pwm: sysfs: fix typo "its" -> "it's"
pwm: tiehrpwm: Enable compilation for ARCH_K3
dt-bindings: pwm: tiehrpwm: Add TI AM654 SoC specific compatible
pwm: tiehrpwm: Update shadow register for disabling PWMs
pwm: img: Turn final 'else if' into 'else' in img_pwm_config
pwm: Fix deadlock warning when removing PWM device
- Misc: Use devm_ api for imx and platform_get_irq for stm32
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Merge tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- New driver: Armada 37xx mailbox controller
- Misc: Use devm_ api for imx and platform_get_irq for stm32
* tag 'mailbox-v5.2' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: Add support for Armada 37xx rWTM mailbox
dt-bindings: mailbox: Document armada-3700-rwtm-mailbox binding
mailbox: stm32-ipcc: check invalid irq
mailbox: imx: use devm_platform_ioremap_resource() to simplify code
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents the kernel
from accidentally accessing userspace outside copy_to/from_user(), or
ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to use the
same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for 64-bit Book3S
(ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup in the
null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors with the time
base (our clocksource), however if that fails currently we hang in __delay()
and never crash. We now have support for detecting that case and short
circuiting __delay() so we at least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had to be
disabled by default due to a hardware erratum. This has the effect of
enabling hardware breakpoints for GDB, the downside is a badly behaved
program could crash the machine by pointing the DAWR at cache inhibited
memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where operations
that could change memory or otherwise disturb the system are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to:
Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey Kardashevskiy, Andrew
Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Ben Hutchings,
Bo YU, Breno Leitao, Cédric Le Goater, Christopher M. Riedl, Christoph
Hellwig, Colin Ian King, David Gibson, Ganesh Goudar, Gautham R. Shenoy,
George Spelvin, Greg Kroah-Hartman, Greg Kurz, Horia Geantă, Jagadeesh
Pagadala, Joel Stanley, Joe Perches, Julia Lawall, Laurentiu Tudor, Laurent
Vivier, Lukas Bulwahn, Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu
Malaterre, Michael Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch,
Nicholas Piggin, Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith, Sukadev
Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler, Valentin
Schneider, Wei Yongjun, Wen Yang, YueHaibing.
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Merge tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Slightly delayed due to the issue with printk() calling
probe_kernel_read() interacting with our new user access prevention
stuff, but all fixed now.
The only out-of-area changes are the addition of a cpuhp_state, small
additions to Documentation and MAINTAINERS updates.
Highlights:
- Support for Kernel Userspace Access/Execution Prevention (like
SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents
the kernel from accidentally accessing userspace outside
copy_to/from_user(), or ever executing userspace.
- KASAN support on 32-bit.
- Rework of where we map the kernel, vmalloc, etc. on 64-bit hash to
use the same address ranges we use with the Radix MMU.
- A rewrite into C of large parts of our idle handling code for
64-bit Book3S (ie. power8 & power9).
- A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup
in the null_syscall benchmark.
- On 64-bit bare metal we have support for recovering from errors
with the time base (our clocksource), however if that fails
currently we hang in __delay() and never crash. We now have support
for detecting that case and short circuiting __delay() so we at
least panic() and reboot.
- Add support for optionally enabling the DAWR on Power9, which had
to be disabled by default due to a hardware erratum. This has the
effect of enabling hardware breakpoints for GDB, the downside is a
badly behaved program could crash the machine by pointing the DAWR
at cache inhibited memory. This is opt-in obviously.
- xmon, our crash handler, gets support for a read only mode where
operations that could change memory or otherwise disturb the system
are disabled.
Plus many clean-ups, reworks and minor fixes etc.
Thanks to: Christophe Leroy, Akshay Adiga, Alastair D'Silva, Alexey
Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar,
Anton Blanchard, Ben Hutchings, Bo YU, Breno Leitao, Cédric Le Goater,
Christopher M. Riedl, Christoph Hellwig, Colin Ian King, David Gibson,
Ganesh Goudar, Gautham R. Shenoy, George Spelvin, Greg Kroah-Hartman,
Greg Kurz, Horia Geantă, Jagadeesh Pagadala, Joel Stanley, Joe
Perches, Julia Lawall, Laurentiu Tudor, Laurent Vivier, Lukas Bulwahn,
Madhavan Srinivasan, Mahesh Salgaonkar, Mathieu Malaterre, Michael
Neuling, Mukesh Ojha, Nathan Fontenot, Nathan Lynch, Nicholas Piggin,
Nick Desaulniers, Oliver O'Halloran, Peng Hao, Qian Cai, Ravi
Bangoria, Rick Lindsley, Russell Currey, Sachin Sant, Stewart Smith,
Sukadev Bhattiprolu, Thomas Huth, Tobin C. Harding, Tyrel Datwyler,
Valentin Schneider, Wei Yongjun, Wen Yang, YueHaibing"
* tag 'powerpc-5.2-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (205 commits)
powerpc/64s: Use early_mmu_has_feature() in set_kuap()
powerpc/book3s/64: check for NULL pointer in pgd_alloc()
powerpc/mm: Fix hugetlb page initialization
ocxl: Fix return value check in afu_ioctl()
powerpc/mm: fix section mismatch for setup_kup()
powerpc/mm: fix redundant inclusion of pgtable-frag.o in Makefile
powerpc/mm: Fix makefile for KASAN
powerpc/kasan: add missing/lost Makefile
selftests/powerpc: Add a signal fuzzer selftest
powerpc/booke64: set RI in default MSR
ocxl: Provide global MMIO accessors for external drivers
ocxl: move event_fd handling to frontend
ocxl: afu_irq only deals with IRQ IDs, not offsets
ocxl: Allow external drivers to use OpenCAPI contexts
ocxl: Create a clear delineation between ocxl backend & frontend
ocxl: Don't pass pci_dev around
ocxl: Split pci.c
ocxl: Remove some unused exported symbols
ocxl: Remove superfluous 'extern' from headers
ocxl: read_pasid never returns an error, so make it void
...
around because we've finally gotten around to fixing some long standing issues.
There's still work to do though, so this PR is largely laying down the
foundation for all the driver changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are specified. With
the new method, we should see lots of drivers migrate away from the current
design of string comparisons on the entire clk tree to a more direct method
where they can use clk_hw pointers or more localized names specified in DT or
via clkdev. This should reduce our reliance on string comparisons for all the
topology description logic that we've been using for years and hopefully speed
some things up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't really
helping anyone and we introduced big-endian versions of the basic clk types so
that we can get rid of clk_{readl,writel}(). Both of these are things that
driver developers have tried to use over the years that I typically bat away
during code reviews because they're not useful. It's great to see these two
things go away so maintainers can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that stand out
are the new driver support for Mediatek MT8183 and MT8516 SoCs, Amlogic Meson8b
and G12a SoCs, and the SiFive FU540 SoC. The other patches in the driver pile
are mostly fixes for things that are being used for the first time or additions
for clks that couldn't be tested before because there wasn't a consumer driver
that exercised them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Stephen Boyd:
"We have a couple new features and changes in the core clk framework
this time around because we've finally gotten around to fixing some
long standing issues. There's still work to do though, so this pull
request is largely laying down the foundation for all the driver
changes to come in the next merge window.
The first problem we're alleviating is how parents of clks are
specified. With the new method, we should see lots of drivers migrate
away from the current design of string comparisons on the entire clk
tree to a more direct method where they can use clk_hw pointers or
more localized names specified in DT or via clkdev. This should reduce
our reliance on string comparisons for all the topology description
logic that we've been using for years and hopefully speed some things
up while avoiding problems we have with generating clk names.
Beyond that we also got rid of the CLK_IS_BASIC flag because it wasn't
really helping anyone and we introduced big-endian versions of the
basic clk types so that we can get rid of clk_{readl,writel}(). Both
of these are things that driver developers have tried to use over the
years that I typically bat away during code reviews because they're
not useful. It's great to see these two things go away so maintainers
can save time not worrying about these things.
On the driver side we got the usual collection of new SoC support and
non-critical fixes and updates to existing code. The big topics that
stand out are the new driver support for Mediatek MT8183 and MT8516
SoCs, Amlogic Meson8b and G12a SoCs, and the SiFive FU540 SoC. The
other patches in the driver pile are mostly fixes for things that are
being used for the first time or additions for clks that couldn't be
tested before because there wasn't a consumer driver that exercised
them. Details are below and also in the sub-maintainer tags.
Core:
- Remove clk_readl() and introduce BE versions of basic clk types
- Rewrite how clk parents can be specified to allow DT/clkdev lookups
- Removal of the CLK_IS_BASIC clk flag
- Framework documentation updates and fixes
New Drivers:
- Support for STM32F769
- AT91 sam9x60 PMC support
- SiFive FU540 PRCI and PLL support
- Qualcomm QCS404 CDSP clk support
- Qualcomm QCS404 Turing clk support
- Mediatek MT8183 clock support
- Mediatek MT8516 clock support
- Milbeaut M10V clk controller support
- Support for Cirrus Logic Lochnagar clks
Updates:
- Rework AT91 sckc DT bindings
- Fix slow RC oscillator issue on sama5d3
- Mark UFS clk as critical on Hi-Silicon hi3660 SoCs
- Various static analysis fixes/finds and const markings
- Video Engine (ECLK) support on Aspeed SoCs
- Xilinx ZynqMP Versal platform support
- Convert Xilinx ZynqMP driver to be struct oriented
- Fixes for Rockchip rk3328 and rk3288 SoCs
- Sub-type for Rockchip SoCs where mux and divider aren't a single register
- Remove SNVS clock from i.MX7UPL clock driver and bindings
- Improve i.MX5 clock driver for i.MX50 support
- Addition of ADC clock definition for Exynos 5410 SoC (Odroid XU)
- Export a new clock for the MBUS controller on the A13
- Allwinner H6 fixes to support a finer clocking of the video and VPU engines
- Add g12a support in the Amlogic axg audio clock controller
- Add missing PCI USB clock on Rensas RZ/N1
- Add Z2 (Cortex-A53) clocks on Rensas R-Car E3 and RZ/G2E
- A new helper DIV64_U64_ROUND_CLOSEST() in <linux/math64.h>
- VPU and Video Decoder clocks on Amlogic Meson8b
- Finally remove the wrong ABP Meson8b clock id
- Add Video Decoder, PCIe PLL, and CPU Clocks on Amlogic G12A
- Re-expose SAR_ADC_SEL and CTS_OSCIN on Amlogic G12A AO clock controller
- Un-expose some Amlogic AXG-Audio input clocks IDs"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (172 commits)
clk: Cache core in clk_fetch_parent_index() without names
clk: imx: correct pfdv2 gate_bit/vld_bit operations
clk: sifive: add a driver for the SiFive FU540 PRCI IP block
clk: analogbits: add Wide-Range PLL library
clk: imx: clk-pllv3: mark expected switch fall-throughs
clk: imx8mq: Add dsi_ipg_div
clk: imx: pllv4: add fractional-N pll support
clk: sunxi-ng: Use the correct style for SPDX License Identifier
clk: sprd: Use the correct style for SPDX License Identifier
clk: renesas: Use the correct style for SPDX License Identifier
clk: qcom: Use the correct style for SPDX License Identifier
clk: davinci: Use the correct style for SPDX License Identifier
clk: actions: Use the correct style for SPDX License Identifier
clk: imx: keep uart clock on during system boot
clk: imx: correct i.MX7D AV PLL num/denom offset
dt-bindings: clk: add documentation for the SiFive PRCI driver
clk: stm32mp1: Add ddrperfm clock
clk: Remove CLK_IS_BASIC clk flag
clock: milbeaut: Add Milbeaut M10V clock controller
dt-bindings: clock: milbeaut: add Milbeaut clock description
...
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331, digicolor,
ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx, mxc, pcap, stmp3xxx,
test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor, dm355evm,
ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx, mc13xxx, mv, mxc,
omap, pcap, pcf85063, pcf85363, ps3, sh, stmp3xxx, sun4v, tegra, wm831x,
xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that properly set
the RTC range.
- Use dev_get_drvdata instead of multiple indirections.
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Merge tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"A huge series from me this cycle. I went through many drivers to set
the date and time range supported by the RTC which helps solving HW
limitation when the time comes (as early as next year for some). This
time, I focused on drivers using .set_mms and .set_mmss64, allowing me
to remove those callbacks. About a third of the patches got reviews, I
actually own the RTCs and I tested another third and the remaining one
are unlikely to cause any issues.
Other than that, a single new driver and the usual fixes here and there.
Summary:
Subsystem:
- set_mmss and set_mmss64 rtc_ops removal
- Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
- Use SPDX identifier for the core
- validate upper bound of tm->tm_year
New driver:
- Aspeed BMC SoC RTC
Drivers:
- abx80x: use rtc_add_group
- ds3232: nvram support
- pcf85063: add alarm, nvram, offset correction and microcrystal
rv8263 support
- x1205: add of_match_table
- Use set_time instead of set_mms/set_mmss64 for: ab3100, coh901331,
digicolor, ds1672, ds2404, ep93xx, imxdi, jz4740, lpc32xx, mc13xxx,
mxc, pcap, stmp3xxx, test, wm831x, xgene.
- Set RTC range for: ab3100, at91sam9, coh901331, da9063, digicolor,
dm355evm, ds1672, ds2404, ep39xx, goldfish, imxdi, jz4740, lpc32xx,
mc13xxx, mv, mxc, omap, pcap, pcf85063, pcf85363, ps3, sh,
stmp3xxx, sun4v, tegra, wm831x, xgene.
- Switch to rtc_time64_to_tm/rtc_tm_to_time64 for the driver that
properly set the RTC range.
- Use dev_get_drvdata instead of multiple indirections"
* tag 'rtc-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (177 commits)
rtc: snvs: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
rtc: imxdi: remove unused variable
rtc: drop set_mms and set_mmss64
rtc: pcap: convert to SPDX identifier
rtc: pcap: use .set_time
rtc: pcap: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: pcap: set range
rtc: digicolor: convert to SPDX identifier
rtc: digicolor: use .set_time
rtc: digicolor: set range
rtc: digicolor: fix possible race condition
rtc: jz4740: convert to SPDX identifier
rtc: jz4740: rework invalid time detection
rtc: jz4740: use dev_pm_set_wake_irq() to simplify code
rtc: jz4740: use .set_time
rtc: jz4740: remove useless check
rtc: jz4740: switch to rtc_time64_to_tm/rtc_tm_to_time64
rtc: jz4740: set range
rtc: 88pm860x: prevent use-after-free on device remove
rtc: Use dev_get_drvdata()
...
Pull i2c updates from Wolfram Sang:
- API for late atomic transfers (e.g. to shut down via PMIC). We have a
seperate callback now which is called under clearly defined
conditions. In-kernel users are converted, too.
- new driver for the AMD PCIe MP2 I2C controller
- large refactoring for at91 and bcm-iproc (both gain slave support due
to this)
- and a good share of various driver improvements anf fixes
* 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (57 commits)
dt-bindings: i2c: riic: document r7s9210 support
i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP
i2c-piix4: Add Hygon Dhyana SMBus support
i2c: core: apply 'is_suspended' check for SMBus, too
i2c: core: ratelimit 'transfer when suspended' errors
i2c: iproc: Change driver to use 'BIT' macro
i2c: riic: Add Runtime PM support
i2c: mux: demux-pinctrl: use struct_size() in devm_kzalloc()
i2c: mux: pca954x: allow management of device idle state via sysfs
i2c: mux: pca9541: remove support for unused platform data
i2c: mux: pca954x: remove support for unused platform data
dt-bindings: i2c: i2c-mtk: add support for MT8516
i2c: axxia: use auto cmd for last message
i2c: gpio: flag atomic capability if possible
i2c: algo: bit: add flag to whitelist atomic transfers
i2c: stu300: use xfer_atomic callback to bail out early
i2c: ocores: enable atomic xfers
i2c: ocores: refactor setup for polling
i2c: tegra-bpmp: convert to use new atomic callbacks
i2c: omap: Add the master_xfer_atomic hook
...
Stable bugfixes:
- Fall back to MDS if no deviceid is found rather than aborting # v4.11+
- NFS4: Fix v4.0 client state corruption when mount
Features:
- Much improved handling of soft mounts with NFS v4.0
- Reduce risk of false positive timeouts
- Faster failover of reads and writes after a timeout
- Added a "softerr" mount option to return ETIMEDOUT instead of
EIO to the application after a timeout
- Increase number of xprtrdma backchannel requests
- Add additional xprtrdma tracepoints
- Improved send completion batching for xprtrdma
Other bugfixes and cleanups:
- Return -EINVAL when NFS v4.2 is passed an invalid dedup mode
- Reduce usage of GFP_ATOMIC pages in SUNRPC
- Various minor NFS over RDMA cleanups and bugfixes
- Use the correct container namespace for upcalls
- Don't share superblocks between user namespaces
- Various other container fixes
- Make nfs_match_client() killable to prevent soft lockups
- Don't mark all open state for recovery when handling recallable state revoked flag
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Merge tag 'nfs-for-5.2-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client updates from Anna Schumaker:
"Highlights include:
Stable bugfixes:
- Fall back to MDS if no deviceid is found rather than aborting # v4.11+
- NFS4: Fix v4.0 client state corruption when mount
Features:
- Much improved handling of soft mounts with NFS v4.0:
- Reduce risk of false positive timeouts
- Faster failover of reads and writes after a timeout
- Added a "softerr" mount option to return ETIMEDOUT instead of
EIO to the application after a timeout
- Increase number of xprtrdma backchannel requests
- Add additional xprtrdma tracepoints
- Improved send completion batching for xprtrdma
Other bugfixes and cleanups:
- Return -EINVAL when NFS v4.2 is passed an invalid dedup mode
- Reduce usage of GFP_ATOMIC pages in SUNRPC
- Various minor NFS over RDMA cleanups and bugfixes
- Use the correct container namespace for upcalls
- Don't share superblocks between user namespaces
- Various other container fixes
- Make nfs_match_client() killable to prevent soft lockups
- Don't mark all open state for recovery when handling recallable
state revoked flag"
* tag 'nfs-for-5.2-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (69 commits)
SUNRPC: Rebalance a kref in auth_gss.c
NFS: Fix a double unlock from nfs_match,get_client
nfs: pass the correct prototype to read_cache_page
NFSv4: don't mark all open state for recovery when handling recallable state revoked flag
SUNRPC: Fix an error code in gss_alloc_msg()
SUNRPC: task should be exit if encode return EKEYEXPIRED more times
NFS4: Fix v4.0 client state corruption when mount
PNFS fallback to MDS if no deviceid found
NFS: make nfs_match_client killable
lockd: Store the lockd client credential in struct nlm_host
NFS: When mounting, don't share filesystems between different user namespaces
NFS: Convert NFSv2 to use the container user namespace
NFSv4: Convert the NFS client idmapper to use the container user namespace
NFS: Convert NFSv3 to use the container user namespace
SUNRPC: Use namespace of listening daemon in the client AUTH_GSS upcall
SUNRPC: Use the client user namespace when encoding creds
NFS: Store the credential of the mount process in the nfs_server
SUNRPC: Cache cred of process creating the rpc_client
xprtrdma: Remove stale comment
xprtrdma: Update comments that reference ib_drain_qp
...
Pull cgroup updates from Tejun Heo:
"This includes Roman's cgroup2 freezer implementation.
It's a separate machanism from cgroup1 freezer. Instead of blocking
user tasks in arbitrary uninterruptible sleeps, the new implementation
extends jobctl stop - frozen tasks are trapped in jobctl stop until
thawed and can be killed and ptraced. Lots of thanks to Oleg for
sheperding the effort.
Other than that, there are a few trivial changes"
* 'for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: never call do_group_exit() with task->frozen bit set
kernel: cgroup: fix misuse of %x
cgroup: get rid of cgroup_freezer_frozen_exit()
cgroup: prevent spurious transition into non-frozen state
cgroup: Remove unused cgrp variable
cgroup: document cgroup v2 freezer interface
cgroup: add tracing points for cgroup v2 freezer
cgroup: make TRACE_CGROUP_PATH irq-safe
kselftests: cgroup: add freezer controller self-tests
kselftests: cgroup: don't fail on cg_kill_all() error in cg_destroy()
cgroup: cgroup v2 freezer
cgroup: protect cgroup->nr_(dying_)descendants by css_set_lock
cgroup: implement __cgroup_task_count() helper
cgroup: rename freezer.c into legacy_freezer.c
cgroup: remove extra cgroup_migrate_finish() call
Pull intgrity updates from James Morris:
"This contains just three patches, the remainder were either included
in other pull requests (eg. audit, lockdown) or will be upstreamed via
other subsystems (eg. kselftests, Power).
Included here is one bug fix, one documentation update, and extending
the x86 IMA arch policy rules to coordinate the different kernel
module signature verification methods"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
doc/kernel-parameters.txt: Deprecate ima_appraise_tcb
x86/ima: add missing include
x86/ima: require signed kernel modules
This has been a smaller cycle than normal. One new driver was accepted,
which is unusual, and at least one more driver remains in review on the
list.
- Driver fixes for hns, hfi1, nes, rxe, i40iw, mlx5, cxgb4, vmw_pvrdma
- Many patches from MatthewW converting radix tree and IDR users to use
xarray
- Introduction of tracepoints to the MAD layer
- Build large SGLs at the start for DMA mapping and get the driver to
split them
- Generally clean SGL handling code throughout the subsystem
- Support for restricting RDMA devices to net namespaces for containers
- Progress to remove object allocation boilerplate code from drivers
- Change in how the mlx5 driver shows representor ports linked to VFs
- mlx5 uapi feature to access the on chip SW ICM memory
- Add a new driver for 'EFA'. This is HW that supports user space packet
processing through QPs in Amazon's cloud
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"This has been a smaller cycle than normal. One new driver was
accepted, which is unusual, and at least one more driver remains in
review on the list.
Summary:
- Driver fixes for hns, hfi1, nes, rxe, i40iw, mlx5, cxgb4,
vmw_pvrdma
- Many patches from MatthewW converting radix tree and IDR users to
use xarray
- Introduction of tracepoints to the MAD layer
- Build large SGLs at the start for DMA mapping and get the driver to
split them
- Generally clean SGL handling code throughout the subsystem
- Support for restricting RDMA devices to net namespaces for
containers
- Progress to remove object allocation boilerplate code from drivers
- Change in how the mlx5 driver shows representor ports linked to VFs
- mlx5 uapi feature to access the on chip SW ICM memory
- Add a new driver for 'EFA'. This is HW that supports user space
packet processing through QPs in Amazon's cloud"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (186 commits)
RDMA/ipoib: Allow user space differentiate between valid dev_port
IB/core, ipoib: Do not overreact to SM LID change event
RDMA/device: Don't fire uevent before device is fully initialized
lib/scatterlist: Remove leftover from sg_page_iter comment
RDMA/efa: Add driver to Kconfig/Makefile
RDMA/efa: Add the efa module
RDMA/efa: Add EFA verbs implementation
RDMA/efa: Add common command handlers
RDMA/efa: Implement functions that submit and complete admin commands
RDMA/efa: Add the ABI definitions
RDMA/efa: Add the com service API definitions
RDMA/efa: Add the efa_com.h file
RDMA/efa: Add the efa.h header file
RDMA/efa: Add EFA device definitions
RDMA: Add EFA related definitions
RDMA/umem: Remove hugetlb flag
RDMA/bnxt_re: Use core helpers to get aligned DMA address
RDMA/i40iw: Use core helpers to get aligned DMA address within a supported page size
RDMA/verbs: Add a DMA iterator to return aligned contiguous memory blocks
RDMA/umem: Add API to find best driver supported page size in an MR
...
- Updates to stm32 dma residue calculations
- Interleave dma capability to axi-dmac and
support for ZynqMP arch
- Rework of channel assignment for rcar dma
- Debugfs for pl330 driver
- Support for Tegra186/Tegra194, refactoring for new chips
and support for pause/resume
- Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma,
rcar-dmac, stm32-dma etc
- dev_get_drvdata() updates on few drivers
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Merge tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
- Updates to stm32 dma residue calculations
- Interleave dma capability to axi-dmac and support for ZynqMP arch
- Rework of channel assignment for rcar dma
- Debugfs for pl330 driver
- Support for Tegra186/Tegra194, refactoring for new chips and support
for pause/resume
- Updates to axi-dmac, bcm2835, fsl-edma, idma64, imx-sdma, rcar-dmac,
stm32-dma etc
- dev_get_drvdata() updates on few drivers
* tag 'dmaengine-5.2-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (34 commits)
dmaengine: tegra210-adma: restore channel status
dmaengine: tegra210-dma: free dma controller in remove()
dmaengine: tegra210-adma: add pause/resume support
dmaengine: tegra210-adma: add support for Tegra186/Tegra194
Documentation: DT: Add compatibility binding for Tegra186
dmaengine: tegra210-adma: prepare for supporting newer Tegra chips
dmaengine: at_xdmac: remove a stray bottom half unlock
dmaengine: fsl-edma: Adjust indentation
dmaengine: fsl-edma: Fix typo in Vybrid name
dmaengine: stm32-dma: fix residue calculation in stm32-dma
dmaengine: nbpfaxi: Use dev_get_drvdata()
dmaengine: bcm-sba-raid: Use dev_get_drvdata()
dmaengine: stm32-dma: Fix unsigned variable compared with zero
dmaengine: stm32-dma: use platform_get_irq()
dmaengine: rcar-dmac: Update copyright information
dmaengine: imx-sdma: Only check ratio on parts that support 1:1
dmaengine: xgene-dma: fix spelling mistake "descripto" -> "descriptor"
dmaengine: idma64: Move driver name to the header
dmaengine: bcm2835: Drop duplicate capability setting.
dmaengine: pl330: _stop: clear interrupt status
...
- remove the already broken support for NULL dev arguments to the
DMA API calls
- Kconfig tidyups
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Merge tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping
Pull DMA mapping updates from Christoph Hellwig:
- remove the already broken support for NULL dev arguments to the DMA
API calls
- Kconfig tidyups
* tag 'dma-mapping-5.2' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: add a Kconfig symbol to indicate arch_dma_prep_coherent presence
dma-mapping: remove an unnecessary NULL check
x86/dma: Remove the x86_dma_fallback_dev hack
dma-mapping: remove leftover NULL device support
arm: use a dummy struct device for ISA DMA use of the DMA API
pxa3xx-gcu: pass struct device to dma_mmap_coherent
gbefb: switch to managed version of the DMA allocator
da8xx-fb: pass struct device to DMA API functions
parport_ip32: pass struct device to DMA API functions
dma: select GENERIC_ALLOCATOR for DMA_REMAP
This adds support for the mailbox via which the kernel can communicate
with the firmware running on the secure processor of the Armada 37xx
SOC.
The rWTM secure processor has access to internal eFuses and
cryptographic circuits, such as the Entropy Bit Generator to generate
true random numbers.
Signed-off-by: Marek Behun <marek.behun@nic.cz>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This has two exciting community drivers for ARM Mali accelerators.
Since ARM has never been open source friendly on the GPU side of the
house, the community has had to create open source drivers for the
Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
series. Well done to all involved and hopefully this will help ARM
head in the right direction.
There is also now the ability if you don't have any of the legacy
drivers enabled (pre-KMS) to remove all the pre-KMS support code from
the core drm, this saves 10% or so in codesize on my machine.
i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
moves out of staging.
There are also some rcar-du patches which crossover with media tree
but all should be acked by Mauro.
Summary:
uapi changes:
- Colorspace connector property
- fourcc - new YUV formts
- timeline sync objects initially merged
- expose FB_DAMAGE_CLIPS to atomic userspace
new drivers:
- vboxvideo: moved out of staging
- aspeed: ASPEED SoC BMC chip display support
- lima: ARM Mali4xx GPU acceleration driver support
- panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support
core:
- component helper docs
- unplugging fixes
- devm device init
- MIPI/DSI rate control
- shmem backed gem objects
- connector, display_info, edid_quirks cleanups
- dma_buf fence chain support
- 64-bit dma-fence seqno comparison fixes
- move initial fb config code to core
- gem fence array helpers for Lima
- ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
- lease fixes
ttm:
- unified DRM_FILE_PAGE_OFFSET handling
- Account for kernel allocations in kernel zone only
panel:
- OSD070T1718-19TS panel support
- panel-tpo-td028ttec1 backlight support
- Ronbo RB070D30 MIPI/DSI
- Feiyang FY07024DI26A30-D MIPI-DSI panel
- Rocktech jh057n00900 MIPI-DSI panel
i915:
- Comet Lake (Gen9) PCI IDs
- Updated Icelake PCI IDs
- Elkhartlake (Gen11) support
- DP MST property addtions
- plane and watermark fixes
- Icelake port sync and VEBOX disable fixes
- struct_mutex usage reduction
- Icelake gamma fix
- GuC reset fixes
- make mmap more asynchronous
- sound display power well race fixes
- DDI/MIPI-DSI clocks for Icelake
- Icelake RPS frequency changing support
- Icelake workarounds
amdgpu:
- Use HMM for userptr
- vega20 experimental smu11 support
- RAS support for vega20
- BACO support for vega12 + fixes for vega20
- reworked IH interrupt handling
- amdkfd RAS support
- Freesync improvements
- initial timeline sync object support
- DC Z ordering fixes
- NV12 planes support
- colorspace properties for planes=
- eDP opts if eDP already initialized
nouveau:
- misc fixes
etnaviv:
- misc fixes
msm:
- GPU zap shader support expansion
- robustness ABI addition
exynos:
- Logging cleanups
tegra:
- Shared reset fix
- CPU cache maintenance fix
cirrus:
- driver rewritten using simple helpers
meson:
- G12A support
vmwgfx:
- Resource dirtying management improvements
- Userspace logging improvements
virtio:
- PRIME fixes
rockchip:
- rk3066 hdmi support
sun4i:
- DSI burst mode support
vc4:
- load tracker to detect underflow
v3d:
- v3d v4.2 support
malidp:
- initial Mali D71 support in komeda driver
tfp410:
- omap related improvement
omapdrm:
- drm bridge/panel support
- drop some omap specific panels
rcar-du:
- Display writeback support"
* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
drm/msm/a6xx: No zap shader is not an error
drm/cma-helper: Fix drm_gem_cma_free_object()
drm: Fix timestamp docs for variable refresh properties.
drm/komeda: Mark the local functions as static
drm/komeda: Fixed warning: Function parameter or member not described
drm/komeda: Expose bus_width to Komeda-CORE
drm/komeda: Add sysfs attribute: core_id and config_id
drm: add non-desktop quirk for Valve HMDs
drm/panfrost: Show stored feature registers
drm/panfrost: Don't scream about deferred probe
drm/panfrost: Disable PM on probe failure
drm/panfrost: Set DMA masks earlier
drm/panfrost: Add sanity checks to submit IOCTL
drm/etnaviv: initialize idle mask before querying the HW db
drm: introduce a capability flag for syncobj timeline support
drm: report consistent errors when checking syncobj capibility
drm/nouveau/nouveau: forward error generated while resuming objects tree
drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
drm/nouveau/i2c: Disable i2c bus access after ->fini()
drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
...
Some of latest ASUS laptops support new fn-lock mode switching.
This commit detect whether if the fn-lock option is enabled in
BIOS setting, and toggle the fn-lock mode via a new WMI DEVID
0x00100023 when the corresponding notify code captured.
The ASUS fn-lock mode switch is activated by pressing Fn+Esc.
When on, keys F1 to F12 behave as applicable, with meanings
defined by the application being used at the time. When off,
F1 to F12 directly triggers hardware features, well known audio
volume up/down, brightness up/down...etc, which were triggered
by holding down Fn key and F-keys.
Because there's no way to retrieve the fn-lock mode via existing
WMI methods per ASUS spec, driver need to initialize and keep the
fn-lock mode by itself.
Signed-off-by: Chris Chiu <chiu@endlessm.com>
Reviewed-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
There are no users of set_mms and set_mmss64 as they have all been
converted to set_time and are handling the tm to time conversion on their
own.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
- Lots of work on the Chinese and Italian translations
- Some license-rules clarifications from Christoph
- Various build-script fixes
- A new document on memory models
- RST conversion of the live-patching docs
- The usual collection of typo fixes and corrections.
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Merge tag 'docs-5.2' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A reasonably busy cycle for docs, including:
- Lots of work on the Chinese and Italian translations
- Some license-rules clarifications from Christoph
- Various build-script fixes
- A new document on memory models
- RST conversion of the live-patching docs
- The usual collection of typo fixes and corrections"
* tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits)
docs/livepatch: Unify style of livepatch documentation in the ReST format
docs: livepatch: convert docs to ReST and rename to *.rst
scripts/documentation-file-ref-check: detect broken :doc:`foo`
scripts/documentation-file-ref-check: don't parse Next/ dir
LICENSES: Rename other to deprecated
LICENSES: Clearly mark dual license only licenses
docs: Don't reference the ZLib license in license-rules.rst
docs/vm: Minor editorial changes in the THP and hugetlbfs
docs/vm: add documentation of memory models
doc:it_IT: translation alignment
doc: fix typo in PGP guide
dontdiff: update with Kconfig build artifacts
docs/zh_CN: fix typos in 1.Intro.rst file
docs/zh_CN: redirect CoC docs to Chinese version
doc: mm: migration doesn't use FOLL_SPLIT anymore
docs: doc-guide: remove the extension from .rst files
doc: kselftest: Fix KBUILD_OUTPUT usage instructions
docs: trace: fix some Sphinx warnings
docs: speculation.txt: mark example blocks as such
docs: ntb.txt: add blank lines to clean up some Sphinx warnings
...
- allow users to invoke 'make' out of the source tree
- refactor scripts/mkmakefile
- deprecate KBUILD_SRC, which was used to track the source tree
location for O= build.
- fix recordmcount.pl in case objdump output is localized
- turn unresolved symbols in external modules to errors from warnings
by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings
- generate modules.builtin.modinfo to collect .modinfo data from
built-in modules
- misc Makefile cleanups
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Merge tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- allow users to invoke 'make' out of the source tree
- refactor scripts/mkmakefile
- deprecate KBUILD_SRC, which was used to track the source tree
location for O= build.
- fix recordmcount.pl in case objdump output is localized
- turn unresolved symbols in external modules to errors from warnings
by default; pass KBUILD_MODPOST_WARN=1 to get them back to warnings
- generate modules.builtin.modinfo to collect .modinfo data from
built-in modules
- misc Makefile cleanups
* tag 'kbuild-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (21 commits)
.gitignore: add more all*.config patterns
moduleparam: Save information about built-in modules in separate file
Remove MODULE_ALIAS() calls that take undefined macro
.gitignore: add leading and trailing slashes to generated directories
scripts/tags.sh: fix direct execution of scripts/tags.sh
scripts: override locale from environment when running recordmcount.pl
samples: kobject: allow CONFIG_SAMPLE_KOBJECT to become y
samples: seccomp: turn CONFIG_SAMPLE_SECCOMP into a bool option
kbuild: move Documentation to vmlinux-alldirs
kbuild: move samples/ to KBUILD_VMLINUX_OBJS
modpost: make KBUILD_MODPOST_WARN also configurable for external modules
kbuild: check arch/$(SRCARCH)/include/generated before out-of-tree build
kbuild: remove unneeded dependency for include/config/kernel.release
memory: squash drivers/memory/Makefile.asm-offsets
kbuild: use $(srctree) instead of KBUILD_SRC to check out-of-tree build
kbuild: mkmakefile: generate a simple wrapper of top Makefile
kbuild: mkmakefile: do not check the generated Makefile marker
kbuild: allow Kbuild to start from any directory
kbuild: pass $(MAKECMDGOALS) to sub-make as is
kbuild: fix warning "overriding recipe for target 'Makefile'"
...
Nex drivers:
- New driver for Bitmain BM1880 pin controller
- New driver for Mediatek MT8516
- New driver for Cirrus Logich Lochnagar PMIC pins
Updates:
- Incremental development on Renesas SH-PFC
- Incremental development on Intel pin controller and some
particular updates for Cedarfork.
- Pin configuration support in Allwinner SunXi drivers
- Suspend/resume support in the NXP/Freescale i.MX8MQ driver
- Support for more packaging of the ST Micro STM32
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Merge tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"It is pretty calm and chill in pin control for the moment. Just
incremental development.
There is an odd patch to the Super-H architecture, it's coming from
the maintainers so should be fine.
Summary:
New drivers:
- Bitmain BM1880 pin controller
- Mediatek MT8516
- Cirrus Logich Lochnagar PMIC pins
Updates:
- Incremental development on Renesas SH-PFC
- Incremental development on Intel pin controller and some particular
updates for Cedarfork.
- Pin configuration support in Allwinner SunXi drivers
- Suspend/resume support in the NXP/Freescale i.MX8MQ driver
- Support for more packaging of the ST Micro STM32"
* tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
pinctrl: mcp23s08: Do not complain about unsupported params
pinctrl: Rework Kconfig dependency for BM1880 pinctrl driver
MAINTAINERS: Add entry for BM1880 pinctrl
pinctrl: Add pinctrl support for BM1880 SoC
dt-bindings: pinctrl: Add BM1880 pinctrl binding
pinctrl: stm32: check irq controller availability at probe
pinctrl: mediatek: Add MT8516 Pinctrl driver
pinctrl: zte: fix leaked of_node references
pinctrl: intel: Increase readability of intel_gpio_update_pad_mode()
pinctrl: intel: Retain HOSTSW_OWN for requested gpio pin
pinctrl: pistachio: fix leaked of_node references
pinctrl: sunxi: Support I/O bias voltage setting on H6
pinctrl: sunxi: Prepare for alternative bias voltage setting methods
pinctrl: st: fix leaked of_node references
pinctrl: samsung: fix leaked of_node references
pinctrl: stm32: align stm32mp157 pin names
pinctrl: stm32: add package information for stm32mp157c
pinctrl: stm32: introduce package support
dt-bindings: pinctrl: stm32: add new entry for package information
pinctrl: imx8mq: Add suspend/resume ops
...
This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor
changes, spelling fixes and other trivia.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: qla2xxx, qedf, smartpqi,
hpsa, lpfc, ufs, mpt3sas, ibmvfc and hisi_sas. Plus number of minor
changes, spelling fixes and other trivia"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (298 commits)
scsi: qla2xxx: Avoid that lockdep complains about unsafe locking in tcm_qla2xxx_close_session()
scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory
scsi: qla2xxx: Fix hardirq-unsafe locking
scsi: qla2xxx: Complain loudly about reference count underflow
scsi: qla2xxx: Use __le64 instead of uint32_t[2] for sending DMA addresses to firmware
scsi: qla2xxx: Introduce the dsd32 and dsd64 data structures
scsi: qla2xxx: Check the size of firmware data structures at compile time
scsi: qla2xxx: Pass little-endian values to the firmware
scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands
scsi: qla2xxx: Use an on-stack completion in qla24xx_control_vp()
scsi: qla2xxx: Make qla24xx_async_abort_cmd() static
scsi: qla2xxx: Remove unnecessary locking from the target code
scsi: qla2xxx: Remove qla_tgt_cmd.released
scsi: qla2xxx: Complain if a command is released that is owned by the firmware
scsi: qla2xxx: target: Fix offline port handling and host reset handling
scsi: qla2xxx: Fix abort handling in tcm_qla2xxx_write_pending()
scsi: qla2xxx: Fix error handling in qlt_alloc_qfull_cmd()
scsi: qla2xxx: Simplify qlt_send_term_imm_notif()
scsi: qla2xxx: Fix use-after-free issues in qla2xxx_qpair_sp_free_dma()
scsi: qla2xxx: Fix a qla24xx_enable_msix() error path
...
Here is the "big" set of tty/serial driver patches for 5.2-rc1.
It's really pretty small, not much happening in this portion of the
kernel at the moment. When the "highlight" is the movement of the
documentation from .txt to .rst files, it's a good merge window.
There's a number of small fixes and updates over the various serial
drivers, and a new "tty null" driver for those embedded systems that
like to make things even smaller and not break things.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here is the "big" set of tty/serial driver patches for 5.2-rc1.
It's really pretty small, not much happening in this portion of the
kernel at the moment. When the "highlight" is the movement of the
documentation from .txt to .rst files, it's a good merge window.
There's a number of small fixes and updates over the various serial
drivers, and a new "tty null" driver for those embedded systems that
like to make things even smaller and not break things.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (45 commits)
tty: serial: add driver for the SiFive UART
dt-bindings: serial: add documentation for the SiFive UART driver
serial: uartps: Add support for cts-override
dt-bindings: xilinx-uartps: Add support for cts-override
serial: milbeaut_usio: Fix error handling in probe and remove
tty: rocket: deprecate the rp_ioctl
tty: rocket: Remove RCPK_GET_STRUCT ioctl
tty: update obsolete termios comment
tty: serial_core: fix error code returned by uart_register_driver()
serial: 8250-mtk: modify baudrate setting
serial: 8250-mtk: add follow control
docs: serial: convert docs to ReST and rename to *.rst
serial: 8250_exar: Adjust IOT2000 matching
TTY: serial_core, add ->install
serial: Fix using plain integer instead of Null pointer
tty:serial_core: Spelling mistake
tty: Add NULL TTY driver
tty: vt: keyboard: Allow Unicode compose base char
Revert "tty: fix NULL pointer issue when tty_port ops is not set"
serial: Add Milbeaut serial control
...
Here is the big set of USB and PHY driver patches for 5.2-rc1
There is the usual set of:
- USB gadget updates
- PHY driver updates and additions
- USB serial driver updates and fixes
- typec updates and new chips supported
- mtu3 driver updates
- xhci driver updates
- other tiny driver updates
Nothing really interesting, just constant forward progress.
All of these have been in linux-next for a while with no reported
issues. The usb-gadget and usb-serial trees were merged a bit "late",
but both of them had been in linux-next before they got merged here last
Friday.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 5.2-rc1
There is the usual set of:
- USB gadget updates
- PHY driver updates and additions
- USB serial driver updates and fixes
- typec updates and new chips supported
- mtu3 driver updates
- xhci driver updates
- other tiny driver updates
Nothing really interesting, just constant forward progress.
All of these have been in linux-next for a while with no reported
issues. The usb-gadget and usb-serial trees were merged a bit "late",
but both of them had been in linux-next before they got merged here
last Friday"
* tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (206 commits)
USB: serial: f81232: implement break control
USB: serial: f81232: add high baud rate support
USB: serial: f81232: clear overrun flag
USB: serial: f81232: fix interrupt worker not stop
usb: dwc3: Rename DWC3_DCTL_LPM_ERRATA
usb: dwc3: Fix default lpm_nyet_threshold value
usb: dwc3: debug: Print GET_STATUS(device) tracepoint
usb: dwc3: Do core validation early on probe
usb: dwc3: gadget: Set lpm_capable
usb: gadget: atmel: tie wake lock to running clock
usb: gadget: atmel: support USB suspend
usb: gadget: atmel_usba_udc: simplify setting of interrupt-enabled mask
dwc2: gadget: Fix completed transfer size calculation in DDMA
usb: dwc2: Set lpm mode parameters depend on HW configuration
usb: dwc2: Fix channel disable flow
usb: dwc2: Set actual frame number for completed ISOC transfer
usb: gadget: do not use __constant_cpu_to_le16
usb: dwc2: gadget: Increase descriptors count for ISOC's
usb: introduce usb_ep_type_string() function
usb: dwc3: move synchronize_irq() out of the spinlock protected block
...
Pull networking updates from David Miller:
"Highlights:
1) Support AES128-CCM ciphers in kTLS, from Vakul Garg.
2) Add fib_sync_mem to control the amount of dirty memory we allow to
queue up between synchronize RCU calls, from David Ahern.
3) Make flow classifier more lockless, from Vlad Buslov.
4) Add PHY downshift support to aquantia driver, from Heiner
Kallweit.
5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces
contention on SLAB spinlocks in heavy RPC workloads.
6) Partial GSO offload support in XFRM, from Boris Pismenny.
7) Add fast link down support to ethtool, from Heiner Kallweit.
8) Use siphash for IP ID generator, from Eric Dumazet.
9) Pull nexthops even further out from ipv4/ipv6 routes and FIB
entries, from David Ahern.
10) Move skb->xmit_more into a per-cpu variable, from Florian
Westphal.
11) Improve eBPF verifier speed and increase maximum program size,
from Alexei Starovoitov.
12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit
spinlocks. From Neil Brown.
13) Allow tunneling with GUE encap in ipvs, from Jacky Hu.
14) Improve link partner cap detection in generic PHY code, from
Heiner Kallweit.
15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan
Maguire.
16) Remove SKB list implementation assumptions in SCTP, your's truly.
17) Various cleanups, optimizations, and simplifications in r8169
driver. From Heiner Kallweit.
18) Add memory accounting on TX and RX path of SCTP, from Xin Long.
19) Switch PHY drivers over to use dynamic featue detection, from
Heiner Kallweit.
20) Support flow steering without masking in dpaa2-eth, from Ioana
Ciocoi.
21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri
Pirko.
22) Increase the strict parsing of current and future netlink
attributes, also export such policies to userspace. From Johannes
Berg.
23) Allow DSA tag drivers to be modular, from Andrew Lunn.
24) Remove legacy DSA probing support, also from Andrew Lunn.
25) Allow ll_temac driver to be used on non-x86 platforms, from Esben
Haabendal.
26) Add a generic tracepoint for TX queue timeouts to ease debugging,
from Cong Wang.
27) More indirect call optimizations, from Paolo Abeni"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits)
cxgb4: Fix error path in cxgb4_init_module
net: phy: improve pause mode reporting in phy_print_status
dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings
net: macb: Change interrupt and napi enable order in open
net: ll_temac: Improve error message on error IRQ
net/sched: remove block pointer from common offload structure
net: ethernet: support of_get_mac_address new ERR_PTR error
net: usb: smsc: fix warning reported by kbuild test robot
staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check
net: dsa: support of_get_mac_address new ERR_PTR error
net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats
vrf: sit mtu should not be updated when vrf netdev is the link
net: dsa: Fix error cleanup path in dsa_init_module
l2tp: Fix possible NULL pointer dereference
taprio: add null check on sched_nest to avoid potential null pointer dereference
net: mvpp2: cls: fix less than zero check on a u32 variable
net_sched: sch_fq: handle non connected flows
net_sched: sch_fq: do not assume EDT packets are ordered
net: hns3: use devm_kcalloc when allocating desc_cb
net: hns3: some cleanup for struct hns3_enet_ring
...
- Fix possible memory leak in reserved-memory failure case
- Support for DMA parent bus which are not a parent node
- Clang -Wunsequenced fix
- Remove some unnecessary prints on memory alloc failures
- Various printk msg and comment fixes
- Update DT schema tools repository location
- Convert simple-framebuffer binding to DT schema
- Bindings for isl68137 and ir38064 trivial devices
- New documentation on binding do's and don't's for binding writers to
ignore
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Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring:
- Fix possible memory leak in reserved-memory failure case
- Support for DMA parent bus which are not a parent node
- Clang -Wunsequenced fix
- Remove some unnecessary prints on memory alloc failures
- Various printk msg and comment fixes
- Update DT schema tools repository location
- Convert simple-framebuffer binding to DT schema
- Bindings for isl68137 and ir38064 trivial devices
- New documentation on binding do's and don't's for binding writers to
ignore
* tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (22 commits)
of: unittest: Remove error printing on OOM
of: irq: Remove WARN_ON() for kzalloc() failure
dt-bindings: pinctrl: fix bias-pull,up typo
dt-bindings: Update schema project location to devicetree.org github group
of: fix clang -Wunsequenced for be32_to_cpu()
of/device.c: fix the wrong comments
dt-bindings: Add isl68137 as a trivial device
dt-bindings: Add ir38064 as a trivial device
of: del redundant type conversion
dt-bindings: mfd: axp20x: Add fallback for axp805
of: Improve of_phandle_iterator_next() error message
dt-bindings: connector: Spelling mistake
dt-bindings: Add schemas for simple-framebuffer
of: address: Add support for the parent DMA bus
of: address: Retrieve a parent through a callback in __of_translate_address
dt-bindings: bus: Add binding for the Allwinner MBUS controller
dt-bindings: interconnect: Add a dma interconnect name
of: use correct function prototype for of_overlay_fdt_apply()
of: reserved_mem: fix reserve memory leak
of: property: Document that of_graph_get_endpoint_by_regs needs of_node_put
...
trust the CPU's RNG on NUMA systems; other miscellaneous cleanups and
fixes.
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull randomness updates from Ted Ts'o:
- initialize the random driver earler
- fix CRNG initialization when we trust the CPU's RNG on NUMA systems
- other miscellaneous cleanups and fixes.
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: add a spinlock_t to struct batched_entropy
random: document get_random_int() family
random: fix CRNG initialization when random.trust_cpu=1
random: move rand_initialize() earlier
random: only read from /dev/random after its pool has received 128 bits
drivers/char/random.c: make primary_crng static
drivers/char/random.c: remove unused stuct poolinfo::poolbits
drivers/char/random.c: constify poolinfo_table
miscellaneous cleanups.
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Merge tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Ted Ts'o:
"Clean up fscrypt's dcache revalidation support, and other
miscellaneous cleanups"
* tag 'fscrypt_for_linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
fscrypt: cache decrypted symlink target in ->i_link
vfs: use READ_ONCE() to access ->i_link
fscrypt: fix race where ->lookup() marks plaintext dentry as ciphertext
fscrypt: only set dentry_operations on ciphertext dentries
fs, fscrypt: clear DCACHE_ENCRYPTED_NAME when unaliasing directory
fscrypt: fix race allowing rename() and link() of ciphertext dentries
fscrypt: clean up and improve dentry revalidation
fscrypt: use READ_ONCE() to access ->i_crypt_info
fscrypt: remove WARN_ON_ONCE() when decryption fails
fscrypt: drop inode argument from fscrypt_get_ctx()
using Unicode 12.1. Also, the usual largish number of cleanups and bug
fixes.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Add as a feature case-insensitive directories (the casefold feature)
using Unicode 12.1.
Also, the usual largish number of cleanups and bug fixes"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present
ext4: fix ext4_show_options for file systems w/o journal
unicode: refactor the rule for regenerating utf8data.h
docs: ext4.rst: document case-insensitive directories
ext4: Support case-insensitive file name lookups
ext4: include charset encoding information in the superblock
MAINTAINERS: add Unicode subsystem entry
unicode: update unicode database unicode version 12.1.0
unicode: introduce test module for normalized utf8 implementation
unicode: implement higher level API for string handling
unicode: reduce the size of utf8data[]
unicode: introduce code for UTF-8 normalization
unicode: introduce UTF-8 character database
ext4: actually request zeroing of inode table after grow
ext4: cond_resched in work-heavy group loops
ext4: fix use-after-free race with debug_want_extra_isize
ext4: avoid drop reference to iloc.bh twice
ext4: ignore e_value_offs for xattrs with value-in-ea-inode
ext4: protect journal inode's blocks using block_validity
ext4: use BUG() instead of BUG_ON(1)
...
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Merge tag 'afs-next-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS updates from David Howells:
"A set of fix and development patches for AFS for 5.2.
Summary:
- Fix the AFS file locking so that sqlite can run on an AFS mount and
also so that firefox and gnome can use a homedir that's mounted
through AFS.
This required emulation of fine-grained locking when the server
will only support whole-file locks and no upgrade/downgrade. Four
modes are provided, settable by mount parameter:
"flock=local" - No reference to the server
"flock=openafs" - Fine-grained locks are local-only, whole-file
locks require sufficient server locks
"flock=strict" - All locks require sufficient server locks
"flock=write" - Always get an exclusive server lock
If the volume is a read-only or backup volume, then flock=local for
that volume.
- Log extra information for a couple of cases where the client mucks
up somehow: AFS vnode with undefined type and dir check failure -
in both cases we seem to end up with unfilled data, but the issues
happen infrequently and are difficult to reproduce at will.
- Implement silly rename for unlink() and rename().
- Set i_blocks so that du can get some information about usage.
- Fix xattr handlers to return the right amount of data and to not
overflow buffers.
- Implement getting/setting raw AFS and YFS ACLs as xattrs"
* tag 'afs-next-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Implement YFS ACL setting
afs: Get YFS ACLs and information through xattrs
afs: implement acl setting
afs: Get an AFS3 ACL as an xattr
afs: Fix getting the afs.fid xattr
afs: Fix the afs.cell and afs.volume xattr handlers
afs: Calculate i_blocks based on file size
afs: Log more information for "kAFS: AFS vnode with undefined type\n"
afs: Provide mount-time configurable byte-range file locking emulation
afs: Add more tracepoints
afs: Implement sillyrename for unlink and rename
afs: Add directory reload tracepoint
afs: Handle lock rpc ops failing on a file that got deleted
afs: Improve dir check failure reports
afs: Add file locking tracepoints
afs: Further fix file locking
afs: Fix AFS file locking to allow fine grained locks
afs: Calculate lock extend timer from set/extend reply reception
afs: Split wait from afs_make_call()
Pull vfs 'struct file' related updates from Al Viro:
"A bit more of 'this fget() would be better off as fdget()'
whack-a-mole + a couple of ->f_count-related cleanups"
* 'work.file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
media: switch to fdget()
drm_syncobj: switch to fdget()
amdgpu: switch to fdget()
don't open-code file_count()
fs: drop unused fput_atomic definition
Pull mount ABI updates from Al Viro:
"The syscalls themselves, finally.
That's not all there is to that stuff, but switching individual
filesystems to new methods is fortunately independent from everything
else, so e.g. NFS series can go through NFS tree, etc.
As those conversions get done, we'll be finally able to get rid of a
bunch of duplication in fs/super.c introduced in the beginning of the
entire thing. I expect that to be finished in the next window..."
* 'work.mount-syscalls' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
vfs: Add a sample program for the new mount API
vfs: syscall: Add fspick() to select a superblock for reconfiguration
vfs: syscall: Add fsmount() to create a mount for a superblock
vfs: syscall: Add fsconfig() for configuring and managing a context
vfs: Implement logging through fs_context
vfs: syscall: Add fsopen() to prepare for superblock creation
Make anon_inodes unconditional
teach move_mount(2) to work with OPEN_TREE_CLONE
vfs: syscall: Add move_mount(2) to move mounts around
vfs: syscall: Add open_tree(2) to reference or clone a mount
Johannes Weiner