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Bibo Mao 899cb83e64 hugetlb: clear huge pte during flush function on mips platform 
[ Upstream commit 33ae8f801a ]

If multiple threads are accessing the same huge page at the same
time, hugetlb_cow will be called if one thread write the COW huge
page. And function huge_ptep_clear_flush is called to notify other
threads to clear the huge pte tlb entry. The other threads clear
the huge pte tlb entry and reload it from page table, the reload
huge pte entry may be old.

This patch fixes this issue on mips platform, and it clears huge
pte entry before notifying other threads to flush current huge
page entry, it is similar with other architectures.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:17:42 +02:00
..
alchemy MIPS: alchemy: xxs1500: add gpio-au1000.h header file 2021-06-03 08:36:25 +02:00
ar7 MIPS: AR7: ensure the port type's FCR value is used 2018-01-23 19:58:21 +01:00
ath25 MIPS: ath25: Check for kzalloc allocation failure 2018-03-15 10:54:31 +01:00
ath79 Revert "MIPS: perf: ath79: Fix perfcount IRQ assignment" 2019-06-11 12:21:49 +02:00
bcm47xx MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA 2020-12-29 13:46:53 +01:00
bcm63xx MIPS: BCM63XX: drop unused and broken DSP platform device 2020-01-27 14:46:11 +01:00
bmips License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
boot MIPS: boot: Fix unaligned access with CONFIG_MIPS_RAW_APPENDED_DTB 2021-01-23 15:48:40 +01:00
cavium-octeon MIPS: OCTEON: add missing put_device() call in dwc3_octeon_device_init() 2020-08-21 09:48:10 +02:00
cobalt
configs MIPS: Loongson: Build ATI Radeon GPU driver as module 2020-06-20 10:25:07 +02:00
dec License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
emma
fw MIPS: fw: sni: Fix out of bounds init of o32 stack 2019-11-06 12:43:17 +01:00
generic MIPS: generic: Update node names to avoid unit addresses 2021-06-30 08:48:56 -04:00
include hugetlb: clear huge pte during flush function on mips platform 2021-07-20 16:17:42 +02:00
jazz MIPS: jazz: fix 64bit build 2019-02-27 10:08:04 +01:00
jz4740 MIPS: lb60: Fix pin mappings 2019-07-31 07:28:47 +02:00
kernel MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section 2021-03-03 18:22:36 +01:00
kvm KVM: MIPS: Change the definition of kvm type 2020-09-23 10:46:34 +02:00
lantiq MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0 2021-03-03 18:22:41 +01:00
lasat License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lib MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER 2021-06-16 11:53:01 +02:00
loongson32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
loongson64 MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init() 2020-02-28 16:35:57 +01:00
math-emu MIPS: math-emu: Write-protect delay slot emulation pages 2019-01-09 17:14:51 +01:00
mm MIPS: c-r4k: Fix section mismatch for loongson2_sc_init 2021-03-03 18:22:41 +01:00
mti-malta Update MIPS email addresses 2017-11-03 09:02:30 -07:00
net bpf, mips: Limit to 33 tail calls 2020-01-12 12:11:54 +01:00
netlogic License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
oprofile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
paravirt License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci MIPS: pci-legacy: stop using of_pci_range_to_resource 2021-05-22 10:57:33 +02:00
pic32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pistachio MIPS: pistachio: Build uImage.gz by default 2019-06-11 12:21:49 +02:00
pmcs-msp71xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pnx833x mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
power License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ralink MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c 2021-06-03 08:36:25 +02:00
rb532 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sgi-ip22 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sgi-ip27 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sgi-ip32
sibyte Revert "MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur" 2019-09-19 09:08:03 +02:00
sni MIPS: SNI: Fix spurious interrupts 2020-09-23 10:46:35 +02:00
tools Update MIPS email addresses 2017-11-03 09:02:30 -07:00
txx9 mips: txx9: fix iounmap related issue 2019-11-20 17:59:48 +01:00
vdso mips: Do not include hi and lo in clobber list for R6 2021-05-22 10:57:13 +02:00
vr41xx License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xilfpga License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kbuild MIPS: Disable Werror when W= is set 2017-04-10 11:56:07 +02:00
Kbuild.platforms
Kconfig MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT 2020-09-23 10:46:35 +02:00
Kconfig.debug License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile MIPS: Truncate link address into 32bit for 32bit kernel 2020-06-20 10:25:11 +02:00
Makefile.postlink MIPS: fix indentation of the 'RELOCS' message 2020-02-14 16:32:09 -05:00