AuxXxilium/linux_dsm_epyc7002
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18f3e95b90
linux_dsm_epyc7002/arch/mips
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Huacai Chen 18f3e95b90
MIPS: io: Add barrier after register read in inX() 
While a barrier is present in the outX() functions before the register
write, a similar barrier is missing in the inX() functions after the
register read. This could allow memory accesses following inX() to
observe stale data.

This patch is very similar to commit a1cc7034e3 ("MIPS: io: Add
barrier after register read in readX()"). Because war_io_reorder_wmb()
is both used by writeX() and outX(), if readX() need a barrier then so
does inX().

Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Patchwork: https://patchwork.linux-mips.org/patch/19516/
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <james.hogan@mips.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Cc: Huacai Chen <chenhuacai@gmail.com>
2018-06-19 19:39:19 -07:00
..
alchemy Merge branch 'i2c/for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-06-14 16:21:46 +09:00
ar7 MIPS: AR7: Constify gpio_led 2018-02-19 10:55:36 +00:00
ath25 MIPS: ath25: Check for kzalloc allocation failure 2018-02-23 09:35:54 +00:00
ath79 MIPS: pb44: Fix i2c-gpio GPIO descriptor table 2018-06-18 22:19:50 +01:00
bcm47xx MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum 2018-06-18 22:19:50 +01:00
bcm63xx MIPS: BCM63XX: kconfig: Remove blank help text 2018-02-02 23:53:10 +09:00
bmips treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
boot MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
cavium-octeon swiotlb: move the SWIOTLB config symbol to lib/Kconfig 2018-05-09 06:58:01 +02:00
cobalt
configs MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
crypto MIPS: crypto: Add crc32 and crc32c hw accelerated module 2018-02-19 20:50:36 +00:00
dec MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
emma
fw
generic MIPS: xilfpga: Actually include FDT in fitImage 2018-05-14 23:54:25 +01:00
include MIPS: io: Add barrier after register read in inX() 2018-06-19 19:39:19 -07:00
jazz MIPS: Set I/O port resource types correctly 2017-12-18 23:07:45 -06:00
jz4740 MIPS: JZ4740: Drop old platform reset code 2018-05-14 23:58:23 +01:00
kernel mips: ftrace: fix static function graph tracing 2018-06-19 15:00:12 -07:00
kvm Small update for KVM. 2018-06-12 11:34:04 -07:00
lantiq MIPS: lantiq: ase: Enable MFD_SYSCON 2018-03-21 21:57:35 +00:00
lasat MIPS: Convert update_persistent_clock() to update_persistent_clock64() 2018-05-14 23:58:23 +01:00
lib MIPS: memset.S: Reinstate delay slot indentation 2018-05-21 16:01:15 +01:00
loongson32
loongson64 MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
math-emu MIPS: math-emu: Mark fall throughs in switch statements with a comment 2017-12-12 17:20:20 +01:00
mm MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
mti-malta MIPS: Convert read_persistent_clock() to read_persistent_clock64() 2018-05-14 23:58:23 +01:00
net bpf, mips: remove unused function 2018-05-14 19:11:45 -07:00
netlogic scatterlist: move the NEED_SG_DMA_LENGTH config symbol to lib/Kconfig 2018-05-09 06:55:59 +02:00
oprofile MIPS: perf: More robustly probe for the presence of per-tc counters 2018-05-15 15:16:16 +01:00
paravirt
pci pci-v4.18-changes 2018-06-07 12:45:58 -07:00
pic32
pistachio
pmcs-msp71xx
pnx833x
power
ralink MIPS: ralink: Fix booting on MT7621 2018-03-22 00:06:30 +00:00
rb532 MIPS: RB532: Avoid undefined mac_pton without GENERIC_NET_UTILS 2018-01-10 16:39:03 +01:00
sgi-ip22 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-13 17:56:58 -08:00
sgi-ip27
sgi-ip32 mips: ip22/32: Convert timers to use timer_setup() 2017-11-02 15:50:36 -07:00
sibyte MIPS changes for 4.18 2018-06-12 12:56:02 -07:00
sni MIPS: sni: Remove the read_persistent_clock() 2018-05-14 23:58:25 +01:00
tools Update MIPS email addresses 2017-11-03 09:02:30 -07:00
txx9 treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
vdso MIPS: VDSO: Replace __mips_isa_rev with MIPS_ISA_REV 2018-03-09 11:22:48 +00:00
vr41xx
Kbuild
Kbuild.platforms MIPS: Xilfpga: Switch to using generic defconfigs 2017-11-08 22:54:14 +00:00
Kconfig Kbuild: rename HAVE_CC_STACKPROTECTOR config variable 2018-06-15 07:15:28 +09:00
Kconfig.debug MIPS: Fix CPS SMP NS16550 UART defaults 2018-01-10 16:44:49 +01:00
Makefile kbuild: add machine size to CHECKFLAGS 2018-06-01 11:36:58 +09:00
Makefile.postlink