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Yannick Vignon 084a1858e2 net: stmmac: Do not enable RX FIFO overflow interrupts 
[ Upstream commit 8a7cb245cf28cb3e541e0d6c8624b95d079e155b ]

The RX FIFO overflows when the system is not able to process all received
packets and they start accumulating (first in the DMA queue in memory,
then in the FIFO). An interrupt is then raised for each overflowing packet
and handled in stmmac_interrupt(). This is counter-productive, since it
brings the system (or more likely, one CPU core) to its knees to process
the FIFO overflow interrupts.

stmmac_interrupt() handles overflow interrupts by writing the rx tail ptr
into the corresponding hardware register (according to the MAC spec, this
has the effect of restarting the MAC DMA). However, without freeing any rx
descriptors, the DMA stops right away, and another overflow interrupt is
raised as the FIFO overflows again. Since the DMA is already restarted at
the end of stmmac_rx_refill() after freeing descriptors, disabling FIFO
overflow interrupts and the corresponding handling code has no side effect,
and eliminates the interrupt storm when the RX FIFO overflows.

Signed-off-by: Yannick Vignon <yannick.vignon@nxp.com>
Link: https://lore.kernel.org/r/20210506143312.20784-1-yannick.vignon@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-05-22 11:38:30 +02:00
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acpi ACPI: scan: Fix a memory leak in an error handling path 2021-05-19 10:08:30 +02:00
amba amba: Fix resource leak for drivers without .remove 2021-03-04 10:26:32 +01:00
android binder: add flag to clear buffer on txn complete 2020-12-30 11:51:35 +01:00
ata ata: libahci_platform: fix IRQ check 2021-05-14 09:44:24 +02:00
atm atm: idt77252: fix null-ptr-dereference 2021-03-30 14:35:21 +02:00
auxdisplay auxdisplay: ht16k33: Fix refresh rate handling 2021-03-04 10:26:30 +01:00
base PM: runtime: Fix unpaired parent child_count for force_resume 2021-05-19 10:08:20 +02:00
bcma
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block nbd: Fix NULL pointer in flush_workqueue 2021-05-19 10:08:30 +02:00
bluetooth Bluetooth: hci_h5: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for btrtl 2021-03-07 12:20:44 +01:00
bus bus: qcom: Put child node before return 2021-05-14 09:44:19 +02:00
cdrom
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char tpm, tpm_tis: Reserve locality in tpm_tis_resume() 2021-05-19 10:08:20 +02:00
clk clk: exynos7: Mark aclk_fsys1_200 as critical 2021-05-19 10:08:33 +02:00
clocksource clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined 2021-03-04 10:26:29 +01:00
connector
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counter counter: stm32-timer-cnt: fix ceiling miss-alignment with reload register 2021-04-14 08:24:09 +02:00
cpufreq cpufreq: armada-37xx: Fix determining base CPU frequency 2021-05-14 09:44:21 +02:00
cpuidle
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crypto crypto: qat - Fix a double free in adf_create_ring 2021-05-14 09:44:20 +02:00
dax device-dax/core: Fix memory leak when rmmod dax.ko 2020-12-30 11:51:46 +01:00
dca
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devfreq PM / devfreq: Use more accurate returned new_freq as resume_freq 2021-05-14 09:44:20 +02:00
dio
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dma dmaengine: dw-edma: Fix crash on loading/unloading driver 2021-05-22 11:38:28 +02:00
dma-buf dmabuf: fix use-after-free of dmabuf's file->f_inode 2021-01-12 20:16:23 +01:00
edac EDAC/amd64: Fix PCI component registration 2020-12-30 11:51:36 +01:00
eisa
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extcon extcon: arizona: Fix various races on driver unbind 2021-05-11 14:04:09 +02:00
firewire firewire: nosy: Fix a use-after-free bug in nosy_ioctl() 2021-04-07 14:47:43 +02:00
firmware firmware: qcom-scm: Fix QCOM_SCM configuration 2021-05-14 09:44:22 +02:00
fpga
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fsi
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gnss
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gpio gpiolib: acpi: Add quirk to ignore EC wakeups on Dell Venue 10 Pro 5055 2021-05-22 11:38:29 +02:00
gpu drm/amd/display: Fix two cursor duplication when using overlay 2021-05-22 11:38:29 +02:00
greybus
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hid HID: plantronics: Workaround for double volume key presses 2021-05-14 09:44:26 +02:00
hsi HSI: core: fix resource leaks in hsi_add_client_from_dt() 2021-05-14 09:44:25 +02:00
hv Drivers: hv: vmbus: Increase wait time for VMbus unload 2021-05-14 09:44:22 +02:00
hwmon hwmon: (occ) Fix poll rate limiting 2021-05-19 10:08:30 +02:00
hwspinlock
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hwtracing intel_th: pci: Add Alder Lake-M support 2021-05-11 14:04:15 +02:00
i2c i2c: bail out early when RDWR parameters are wrong 2021-05-19 10:08:21 +02:00
i3c Revert "i3c master: fix missing destroy_workqueue() on error in i3c_master_register" 2021-05-14 09:44:15 +02:00
ide scsi: ide: Do not set the RQF_PREEMPT flag for sense requests 2021-01-12 20:16:09 +01:00
idle
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iio iio: tsl2583: Fix division by a zero lux_val 2021-05-19 10:08:31 +02:00
infiniband RDMA/bnxt_re: Fix a double free in bnxt_qplib_alloc_res 2021-05-14 09:44:32 +02:00
input Input: silead - add workaround for x86 BIOS-es which bring the chip up in a stuck state 2021-05-22 11:38:28 +02:00
interconnect interconnect: core: fix error return code of icc_link_destroy() 2021-04-16 11:46:37 +02:00
iommu iommu/amd: Remove performance counter pre-initialization test 2021-05-19 10:08:22 +02:00
ipack
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irqchip irqchip/gic-v3: Fix OF_BAD_ADDR error handling 2021-05-14 09:44:20 +02:00
isdn isdn: capi: fix mismatched prototypes 2021-05-22 11:38:27 +02:00
leds leds: trigger: fix potential deadlock with libata 2021-02-03 23:25:58 +01:00
lightnvm lightnvm: fix memory leak when submit fails 2021-01-27 11:47:53 +01:00
macintosh
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mailbox mailbox: avoid timer start from callback 2020-10-29 09:57:53 +01:00
mcb
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md md: Fix missing unused status line of /proc/mdstat 2021-05-14 09:44:13 +02:00
media media: v4l2-ctrls.c: fix race condition in hdl->requests list 2021-05-14 09:44:24 +02:00
memory memory: pl353: fix mask of ECC page_size config register 2021-05-14 09:44:19 +02:00
memstick memstick: r592: Fix error return in r592_probe() 2020-12-30 11:51:18 +01:00
message scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove() 2020-11-05 11:43:25 +01:00
mfd mfd: stm32-timers: Avoid clearing auto reload register 2021-05-14 09:44:25 +02:00
misc kgdb: fix gcc-11 warning on indentation 2021-05-22 11:38:27 +02:00
mmc mmc: sdhci-pci: Add PCI IDs for Intel LKF 2021-05-11 14:04:10 +02:00
mtd mtd: rawnand: gpmi: Fix a double free in gpmi_nand_init 2021-05-14 09:44:20 +02:00
mux
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net net: stmmac: Do not enable RX FIFO overflow interrupts 2021-05-22 11:38:30 +02:00
nfc nfc: pn533: prevent potential memory corruption 2021-05-14 09:44:27 +02:00
ntb NTB: hw: amd: fix an issue about leak system resources 2020-10-29 09:58:00 +01:00
nubus
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nvdimm libnvdimm/region: Fix nvdimm_has_flush() to handle ND_REGION_ASYNC 2021-04-21 12:56:16 +02:00
nvme nvme: do not try to reconfigure APST when the controller is not live 2021-05-19 10:08:33 +02:00
nvmem nvmem: core: skip child nodes not matching binding 2021-03-04 10:26:37 +01:00
of Revert "fdt: Properly handle "no-map" field in the memory region" 2021-05-14 09:44:33 +02:00
opp opp: Reduce the size of critical section in _opp_table_kref_release() 2020-11-18 19:20:21 +01:00
oprofile
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parisc
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parport
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pci ACPI / hotplug / PCI: Fix reference count leak in enable_slot() 2021-05-22 11:38:28 +02:00
pcmcia
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perf perf/arm_pmu_platform: Fix error handling 2021-05-11 14:04:06 +02:00
phy phy: marvell: ARMADA375_USBCLUSTER_PHY should not default to y, unconditionally 2021-05-14 09:44:19 +02:00
pinctrl pinctrl: ingenic: Improve unreachable code generation 2021-05-22 11:38:27 +02:00
platform platform/x86: pmc_atom: Match all Beckhoff Automation baytrail boards with critclk_systems DMI table 2021-05-14 09:44:22 +02:00
pnp
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power power: supply: s3c_adc_battery: fix possible use-after-free in s3c_adc_bat_remove() 2021-05-11 14:04:11 +02:00
powercap powercap: restrict energy meter to root access 2020-11-10 21:13:20 +01:00
pps
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ps3 powerpc/ps3: use dma_mapping_error() 2020-12-30 11:51:26 +01:00
ptp
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pwm pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare() 2021-03-04 10:26:36 +01:00
rapidio rapidio: fix the missed put_device() for rio_mport_add_riodev 2020-10-29 09:57:53 +01:00
ras RAS/CEC: Correct ce_add_elem()'s returned values 2021-04-14 08:24:18 +02:00
regulator regulator: bd9571mwv: Fix AVS and DVFS voltage range 2021-04-14 08:24:13 +02:00
remoteproc remoteproc: qcom: Fix potential NULL dereference in adsp_init_mmio() 2020-12-30 11:51:24 +01:00
reset
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rpmsg rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data() 2021-05-19 10:08:25 +02:00
rtc rtc: ds1307: Fix wday settings for rx8130 2021-05-19 10:08:26 +02:00
s390 s390/dasd: fix hanging IO request during DASD driver unbind 2021-03-17 17:03:48 +01:00
sbus
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scsi scsi: lpfc: Fix illegal memory access on Abort IOCBs 2021-05-22 11:38:29 +02:00
sfi
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sh
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siox
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slimbus slimbus: qcom-ngd-ctrl: Avoid sending power requests without QMI 2020-12-30 11:51:13 +01:00
soc soc: aspeed: fix a ternary sign expansion bug 2021-05-14 09:44:23 +02:00
soundwire soundwire: stream: fix memory leak in stream config error path 2021-05-14 09:44:19 +02:00
spi spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() 2021-05-14 09:44:21 +02:00
spmi spmi: spmi-pmic-arb: Fix hw_irq overflow 2021-03-04 10:26:49 +01:00
ssb
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staging media: omap4iss: return error code when omap4iss_get() failed 2021-05-14 09:44:23 +02:00
target scsi: target: tcmu: Return from tcmu_handle_completions() if cmd_id not found 2021-05-22 11:38:29 +02:00
tc
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tee tee: optee: do not check memref size on return from Secure World 2021-05-11 14:04:06 +02:00
thermal thermal/core/fair share: Lock the thermal zone while looping over instances 2021-05-19 10:08:32 +02:00
thunderbolt thunderbolt: Fix use-after-free in remove_unplugged_switch() 2020-12-11 13:23:29 +01:00
tty serial: core: return early on unsupported ioctls 2021-05-14 09:44:22 +02:00
uio uio: Fix use-after-free in uio_unregister_device() 2020-11-18 19:20:29 +01:00
usb usb: sl811-hcd: improve misleading indentation 2021-05-22 11:38:27 +02:00
vfio vfio/mdev: Do not allow a mdev_type to have a NULL parent pointer 2021-05-14 09:44:24 +02:00
vhost vhost: Fix vhost_vq_reset() 2021-04-07 14:47:39 +02:00
video fbdev: zero-fill colormap in fbcmap.c 2021-05-11 14:04:04 +02:00
virt virt: vbox: Do not use wait_event_interruptible when called from kernel context 2021-03-04 10:26:10 +01:00
virtio virtio_ring: Fix two use after free bugs 2020-12-30 11:51:29 +01:00
visorbus
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vlynq
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vme
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w1 w1: mxc_w1: Fix timeout resolution problem leading to bus error 2020-11-05 11:43:25 +01:00
watchdog watchdog: mei_wdt: request stop on unregister 2021-03-04 10:26:47 +01:00
xen xen/events: fix setting irq affinity 2021-04-16 11:46:39 +02:00
zorro
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Kconfig
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Makefile
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