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Viktor Malik 0c7e6ff75e tools/resolve_btfids: Fix setting HOSTCFLAGS
commit edd75c802855271c8610f58a2fc9e54aefc49ce5 upstream.

Building BPF selftests with custom HOSTCFLAGS yields an error:

    # make HOSTCFLAGS="-O2"
    [...]
      HOSTCC  ./tools/testing/selftests/bpf/tools/build/resolve_btfids/main.o
    main.c:73:10: fatal error: linux/rbtree.h: No such file or directory
       73 | #include <linux/rbtree.h>
          |          ^~~~~~~~~~~~~~~~

The reason is that tools/bpf/resolve_btfids/Makefile passes header
include paths by extending HOSTCFLAGS which is overridden by setting
HOSTCFLAGS in the make command (because of Makefile rules [1]).

This patch fixes the above problem by passing the include paths via
`HOSTCFLAGS_resolve_btfids` which is used by tools/build/Build.include
and can be combined with overridding HOSTCFLAGS.

[1] https://www.gnu.org/software/make/manual/html_node/Overriding.html

Fixes: 56a2df7615fa ("tools/resolve_btfids: Compile resolve_btfids as host program")
Signed-off-by: Viktor Malik <vmalik@redhat.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20230530123352.1308488-1-vmalik@redhat.com
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-09-13 09:42:27 +02:00
arch KVM: x86/mmu: Add "never" option to allow sticky disabling of nx_huge_pages 2023-09-13 09:42:26 +02:00
block blk-crypto: dynamically allocate fallback profile 2023-08-23 17:52:39 +02:00
certs certs: Fix build error when PKCS#11 URI contains semicolon 2023-02-09 11:28:11 +01:00
crypto crypto: rsa-pkcs1pad - Use helper to set reqsize 2023-09-13 09:42:26 +02:00
Documentation media: uapi: HEVC: Add num_delta_pocs_of_ref_rps_idx field 2023-09-13 09:42:20 +02:00
drivers Revert "net: macsec: preserve ingress frame ordering" 2023-09-13 09:42:26 +02:00
fs udf: Handle error when adding extent to a file 2023-09-13 09:42:26 +02:00
include fs/nls: make load_nls() take a const parameter 2023-09-13 09:42:22 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 20:03:49 +02:00
io_uring io_uring/parisc: Adjust pgoff in io_uring mmap() for parisc 2023-09-02 09:16:19 +02:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:32:01 +01:00
kernel tracing: Introduce pipe_cpumask to avoid race on trace_pipes 2023-09-13 09:42:25 +02:00
lib maple_tree: disable mas_wr_append() when other readers are possible 2023-08-30 16:11:13 +02:00
LICENSES
mm madvise:madvise_free_pte_range(): don't use mapcount() against large folio for sharing check 2023-08-30 16:11:11 +02:00
net net: Avoid address overwrite in kernel_connect 2023-09-13 09:42:26 +02:00
rust rust: allocator: Prevent mis-aligned allocation 2023-08-11 12:08:18 +02:00
samples samples: ftrace: Save required argument registers in sample trampolines 2023-07-23 13:49:44 +02:00
scripts gcc-plugins: Reorganize gimple includes for GCC 13 2023-08-16 18:27:20 +02:00
security security: keys: perform capable check only on privileged operations 2023-09-13 09:42:23 +02:00
sound ALSA: seq: oss: Fix racy open/close of MIDI devices 2023-09-13 09:42:25 +02:00
tools tools/resolve_btfids: Fix setting HOSTCFLAGS 2023-09-13 09:42:27 +02:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt KVM: Grab a reference to KVM for VM and vCPU stats file descriptors 2023-08-03 10:24:08 +02:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-01 12:42:46 +01:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes
.gitignore Kbuild: add Rust support 2022-09-28 09:02:20 +02:00
.mailmap 9 hotfixes. 6 for MM, 3 for other areas. Four of these patches address 2022-12-10 17:10:52 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS MAINTAINERS: Remove Michal Marek from Kbuild maintainers 2022-11-16 14:53:00 +09:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS devlink: move code to a dedicated directory 2023-08-30 16:11:00 +02:00
Makefile Linux 6.1.52 2023-09-06 21:27:03 +01:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.