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Jason Wang c81fcd4e49 virtio-net: correctly enable callback during start_xmit 
[ Upstream commit d71ebe8114b4bf622804b810f5e274069060a174 ]

Commit a7766ef18b33("virtio_net: disable cb aggressively") enables
virtqueue callback via the following statement:

        do {
		if (use_napi)
			virtqueue_disable_cb(sq->vq);

		free_old_xmit_skbs(sq, false);

	} while (use_napi && kick &&
               unlikely(!virtqueue_enable_cb_delayed(sq->vq)));

When NAPI is used and kick is false, the callback won't be enabled
here. And when the virtqueue is about to be full, the tx will be
disabled, but we still don't enable tx interrupt which will cause a TX
hang. This could be observed when using pktgen with burst enabled.

TO be consistent with the logic that tries to disable cb only for
NAPI, fixing this by trying to enable delayed callback only when NAPI
is enabled when the queue is about to be full.

Fixes: a7766ef18b ("virtio_net: disable cb aggressively")
Signed-off-by: Jason Wang <jasowang@redhat.com>
Tested-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-01 08:34:24 +01:00
..
accessibility tty: fix possible null-ptr-defer in spk_ttyio_release 2023-01-24 07:24:37 +01:00
acpi ACPI: PRM: Check whether EFI runtime is available 2023-01-24 07:24:35 +01:00
amba
android binder: validate alloc->mm in ->mmap() handler 2022-11-09 15:41:27 +01:00
ata ata: ahci: fix enum constants for gcc-13 2023-01-07 11:11:46 +01:00
atm
auxdisplay
base driver core: Fix bus_type.match() error handling in __driver_attach() 2023-01-07 11:11:54 +01:00
bcma Interrupt subsystem updates: 2022-10-12 10:23:24 -07:00
block block/rnbd-clt: fix wrong max ID in ida_alloc_max 2023-02-01 08:34:21 +01:00
bluetooth Bluetooth: hci_qca: Fix driver shutdown on closed serdev 2023-01-24 07:24:32 +01:00
bus bus: mhi: host: Fix race between channel preparation and M0 event 2023-01-07 11:11:54 +01:00
cdrom
char tpm: Allow system suspend to continue when TPM suspend fails 2023-01-12 12:02:49 +01:00
clk clk: imx: imx8mp: add shared clk gate for usb suspend clk 2022-12-31 13:33:09 +01:00
clocksource clocksource/drivers/timer-ti-dm: Fix missing clk_disable_unprepare in dmtimer_systimer_init_clock() 2022-12-31 13:31:59 +01:00
comedi comedi: adv_pci1760: Fix PWM instruction handling 2023-01-24 07:24:35 +01:00
connector
counter counter: stm32-lptimer-cnt: fix the check on arr and cmp registers update 2022-12-31 13:32:41 +01:00
cpufreq cpufreq: amd-pstate: fix kernel hang issue while amd-pstate unregistering 2023-01-18 11:58:12 +01:00
cpuidle cpuidle: dt: Return the correct numbers of parsed idle states 2022-12-31 13:31:55 +01:00
crypto virtio-crypto: fix memory leak in virtio_crypto_alg_skcipher_close_session() 2023-01-12 12:02:08 +01:00
cxl cxl/region: Fix missing probe failure 2023-01-07 11:11:39 +01:00
dax device-dax: Fix duplicate 'hmem' device registration 2022-11-21 15:34:40 -08:00
dca
devfreq PM/devfreq: governor: Add a private governor_data for governor 2023-01-07 11:11:40 +01:00
dio drivers: dio: fix possible memory leak in dio_init() 2022-12-31 13:32:38 +01:00
dma dmaengine: Fix double increment of client_count in dma_chan_get() 2023-02-01 08:34:23 +01:00
dma-buf dma-buf: fix dma_buf_export init order v2 2023-01-24 07:24:30 +01:00
edac EDAC/highbank: Fix memory leak in highbank_mc_probe() 2023-02-01 08:34:05 +01:00
eisa
extcon extcon: usbc-tusb320: Update state on probe even if no IRQ pending 2022-12-31 13:32:39 +01:00
firewire
firmware firmware: arm_scmi: Fix virtio channels cleanup on shutdown 2023-02-01 08:34:06 +01:00
fpga fpga: m10bmc-sec: Fix kconfig dependencies 2022-11-15 21:46:58 +08:00
fsi
gnss
gpio gpio: mxc: Always set GPIOs used as interrupt source to INPUT mode 2023-02-01 08:34:18 +01:00
gpu drm/panfrost: fix GENERIC_ATOMIC64 dependency 2023-02-01 08:34:23 +01:00
greybus
hid HID: revert CHERRY_MOUSE_000C quirk 2023-02-01 08:34:20 +01:00
hsi HSI: omap_ssi_core: Fix error handling in ssi_init() 2022-12-31 13:32:45 +01:00
hte
hv video: hyperv_fb: Avoid taking busy spinlock on panic path 2022-12-31 13:32:56 +01:00
hwmon hwmon: (jc42) Fix missing unlock on error in jc42_write() 2022-12-31 13:33:06 +01:00
hwspinlock
hwtracing coresight: cti: Fix null pointer error on CTI init before ETM 2022-12-31 13:32:41 +01:00
i2c i2c: ismt: Fix an out-of-bounds bug in ismt_access() 2022-12-31 13:32:42 +01:00
i3c i3c: master: Remove the wrong place of reattach. 2022-10-12 23:45:29 +02:00
idle
iio iio: addac: ad74413r: fix integer promotion bug in ad74413_get_input_current_offset() 2022-12-31 13:33:10 +01:00
infiniband IB/hfi1: Remove user expected buffer invalidate race 2023-02-01 08:34:08 +01:00
input Input: iqs7222 - add support for IQS7222A v1.13+ 2022-12-31 13:33:08 +01:00
interconnect interconnect: qcom: msm8996: Fix regmap max_register values 2023-02-01 08:34:06 +01:00
iommu iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer 2023-01-18 11:58:21 +01:00
ipack Char/Misc and other driver changes for 6.1-rc1 2022-10-08 08:56:37 -07:00
irqchip irqchip/loongson-liointc: Fix improper error handling in liointc_init() 2022-12-31 13:31:57 +01:00
isdn mISDN: hfcmulti: don't call dev_kfree_skb/kfree_skb() under spin_lock_irqsave() 2022-12-31 13:32:53 +01:00
leds leds: is31fl319x: Fix setting current limit for is31fl319{0,1,3} 2022-12-31 13:32:45 +01:00
macintosh macintosh/macio-adb: check the return value of ioremap() 2022-12-31 13:32:50 +01:00
mailbox mailbox: zynq-ipi: fix error handling while device_register() fails 2022-12-31 13:32:55 +01:00
mcb mcb: mcb-parse: fix error handing in chameleon_parse_gdd() 2022-12-31 13:32:41 +01:00
md block: handle bio_split_to_limits() NULL return 2023-01-18 11:58:33 +01:00
media media: dvb-core: Fix UAF due to refcount races at releasing 2023-01-07 11:11:49 +01:00
memory memory: mvebu-devbus: Fix missing clk_disable_unprepare in mvebu_devbus_probe() 2023-02-01 08:34:02 +01:00
memstick memstick/ms_block: Add check for alloc_ordered_workqueue 2022-12-31 13:32:25 +01:00
message
mfd mfd: mt6360: Add bounds checking in Regmap read/write call-backs 2023-01-04 11:29:01 +01:00
misc VMCI: Use threaded irqs instead of tasklets 2023-01-24 07:24:39 +01:00
mmc mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting 2023-01-24 07:24:35 +01:00
most
mtd mtd: cfi: allow building spi-intel standalone 2023-01-18 11:58:24 +01:00
mux
net virtio-net: correctly enable callback during start_xmit 2023-02-01 08:34:24 +01:00
nfc nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame() 2023-01-18 11:58:26 +01:00
ntb
nubus
nvdimm libnvdimm for 6.1 2022-10-14 18:41:41 -07:00
nvme block: handle bio_split_to_limits() NULL return 2023-01-18 11:58:33 +01:00
nvmem nvmem: lan9662-otp: Change return type of lan9662_otp_wait_flag_clear() 2022-11-22 18:22:05 +01:00
of of: fdt: Honor CONFIG_CMDLINE* even without /chosen node, take 2 2023-01-24 07:24:32 +01:00
opp
parisc parisc: led: Fix potential null-ptr-deref in start_task() 2023-01-07 11:11:55 +01:00
parport parport_pc: Avoid FIFO port location truncation 2022-11-09 15:40:32 +01:00
pci PCI/sysfs: Fix double free in error path 2023-01-07 11:11:53 +01:00
pcmcia
peci
perf drivers/perf: hisi: Fix some event id for hisi-pcie-pmu 2022-12-31 13:31:53 +01:00
phy phy: rockchip-inno-usb2: Fix missing clk_disable_unprepare() in rockchip_usb2phy_power_on() 2023-02-01 08:34:17 +01:00
pinctrl pinctrl: rockchip: fix mux route data for rk3568 2023-02-01 08:34:20 +01:00
platform platform/x86/amd: Fix refcount leak in amd_pmc_probe 2023-01-18 11:58:32 +01:00
pnp PNP: fix name memory leak in pnp_alloc_dev() 2022-12-31 13:31:56 +01:00
power power: supply: fix null pointer dereferencing in power_supply_get_battery_info 2022-12-31 13:32:45 +01:00
powercap Scheduler changes for v6.1: 2022-10-10 09:10:28 -07:00
pps
ps3
ptp ] ptp: ocp: remove symlink for second GNSS 2022-10-10 08:37:24 +01:00
pwm pwm: tegra: Fix 32 bit build 2022-12-31 13:33:12 +01:00
rapidio rapidio: devices: fix missing put_device in mport_cdev_open 2022-12-31 13:32:00 +01:00
ras
regulator regulator: da9211: Use irq handler when ready 2023-01-18 11:58:22 +01:00
remoteproc remoteproc: imx_rproc: Correct i.MX93 DRAM mapping 2023-01-07 11:11:55 +01:00
reset reset: uniphier-glue: Fix possible null-ptr-deref 2023-02-01 08:34:05 +01:00
rpmsg
rtc rtc: ds1347: fix value written to century register 2023-01-07 11:11:50 +01:00
s390 block: handle bio_split_to_limits() NULL return 2023-01-18 11:58:33 +01:00
sbus
scsi scsi: mpi3mr: Refer CONFIG_SCSI_MPI3MR in Makefile 2023-01-18 11:58:23 +01:00
sh
siox siox: fix possible memory leak in siox_device_add() 2022-11-09 15:40:14 +01:00
slimbus slimbus: qcom-ngd: Fix build error when CONFIG_SLIM_QCOM_NGD_CTRL=y && CONFIG_QCOM_RPROC_COMMON=m 2022-11-10 18:45:40 +01:00
soc PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe() 2023-02-01 08:34:08 +01:00
soundwire soundwire: dmi-quirks: add quirk variant for LAPBC710 NUC15 2023-01-04 11:28:56 +01:00
spi spi: fsl_spi: Don't change speed while chipselect is active 2022-12-31 13:33:11 +01:00
spmi
ssb
staging staging: vchiq_arm: fix enum vchiq_status return types 2023-01-24 07:24:35 +01:00
target scsi: target: iscsi: Fix a race condition between login_work and the login thread 2022-12-31 13:33:06 +01:00
tc
tee tee: optee: fix possible memory leak in optee_register_device() 2022-11-17 09:22:12 +01:00
thermal thermal: int340x: Add missing attribute for data rate base 2023-01-12 12:02:50 +01:00
thunderbolt thunderbolt: Do not call PM runtime functions in tb_retimer_scan() 2023-01-24 07:24:37 +01:00
tty serial: exar: Add support for Sealevel 7xxxC serial cards 2023-01-24 07:24:39 +01:00
ufs scsi: ufs: core: WLUN suspend SSU/enter hibern8 fail recovery 2023-01-18 11:58:23 +01:00
uio uio: uio_dmem_genirq: Fix deadlock between irq config and handling 2022-12-31 13:32:38 +01:00
usb usb: gadget: f_fs: Ensure ep0req is dequeued before free_request 2023-02-01 08:34:21 +01:00
vdpa vdpa_sim_net: should not drop the multicast/broadcast packet 2023-01-24 07:24:31 +01:00
vfio vfio/iova_bitmap: refactor iova_bitmap_set() to better handle page boundaries 2022-12-31 13:32:41 +01:00
vhost vhost_vdpa: fix the crash in unmap a large memory 2023-01-12 12:02:49 +01:00
video fbdev: omapfb: avoid stack overflow warning 2023-01-24 07:24:32 +01:00
virt virt/sev-guest: Add a MODULE_ALIAS 2022-12-31 13:32:09 +01:00
virtio virtio_pci: modify ENOENT to EINVAL 2023-01-24 07:24:31 +01:00
vlynq
w1 Char/Misc and other driver changes for 6.1-rc1 2022-10-08 08:56:37 -07:00
watchdog watchdog: iTCO_wdt: Set NO_REBOOT if the watchdog is not already running 2022-12-31 13:32:44 +01:00
xen xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource() 2022-12-31 13:31:59 +01:00
zorro
Kconfig
Makefile