linux/arch/mips
Sinan Kaya a1cc7034e3
MIPS: io: Add barrier after register read in readX()
While a barrier is present in the writeX() functions before the register
write, a similar barrier is missing in the readX() functions after the
register read. This could allow memory accesses following readX() to
observe stale data.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/19069/
[jhogan@kernel.org: Tidy commit message]
Signed-off-by: James Hogan <jhogan@kernel.org>
2018-04-14 00:46:53 +01:00
..
alchemy MIPS: Alchemy: Constify gpio_led 2018-02-19 10:55:35 +00:00
ar7 MIPS: AR7: Constify gpio_led 2018-02-19 10:55:36 +00:00
ath25 MIPS: ath25: Avoid undefined early_serial_setup() without SERIAL_8250_CONSOLE 2018-01-10 16:37:28 +01:00
ath79 Merge branch 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2017-11-14 17:52:21 -08:00
bcm47xx MIPS: BCM47XX: Use standard reset button for Luxul XWR-1750 2018-04-07 00:10:48 +01:00
bcm63xx MIPS: BCM63XX: kconfig: Remove blank help text 2018-02-02 23:53:10 +09:00
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: mscc: Add ocelot PCB123 device tree 2018-03-21 23:33:00 +00:00
cavium-octeon MIPS: Octeon: Fix logging messages with spurious periods after newlines 2018-02-19 10:55:34 +00:00
cobalt MIPS: Cobalt: Fix typo 2016-08-03 08:16:30 +02:00
configs MIPS: generic: Add support for Microsemi Ocelot 2018-03-21 23:33:10 +00:00
crypto MIPS: crypto: Add crc32 and crc32c hw accelerated module 2018-02-19 20:50:36 +00:00
dec License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
emma MIPS: Avoid old-style declaration 2017-01-25 02:51:11 +01:00
fw License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
generic MIPS: generic: Add support for Microsemi Ocelot 2018-03-21 23:33:10 +00:00
include MIPS: io: Add barrier after register read in readX() 2018-04-14 00:46:53 +01:00
jazz MIPS: Set I/O port resource types correctly 2017-12-18 23:07:45 -06:00
jz4740 MIPS: ingenic: Initial GCW Zero support 2018-01-18 22:08:10 +00:00
kernel MIPS: pm-cps: Block system suspend when a JTAG probe is present 2018-03-09 13:53:26 +00:00
kvm KVM: introduce kvm_arch_vcpu_async_ioctl 2017-12-14 09:26:59 +01:00
lantiq MIPS changes for 4.15 2017-11-15 11:36:08 -08:00
lasat treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
lib MIPS: Implement __multi3 for GCC7 MIPS64r6 builds 2018-01-11 14:40:31 +01:00
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 changes for 4.16 2018-02-07 11:22:44 -08:00
math-emu MIPS: math-emu: Mark fall throughs in switch statements with a comment 2017-12-12 17:20:20 +01:00
mm MIPS: Remove duplicate includes 2018-02-19 10:55:35 +00:00
mti-malta MIPS: Set I/O port resource types correctly 2017-12-18 23:07:45 -06:00
net MIPS: BPF: Replace __mips_isa_rev with MIPS_ISA_REV 2018-03-09 11:22:47 +00:00
netlogic mips/netlogic: remove swiotlb support 2018-01-15 09:35:59 +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-mt7620: Enable PCIe on MT7688 2018-03-14 15:14:05 +00:00
pic32 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pistachio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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: Fix platform_get_irq's error checking 2018-01-10 16:45:44 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sgi-ip32 mips: ip22/32: Convert timers to use timer_setup() 2017-11-02 15:50:36 -07:00
sibyte License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sni License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tools Update MIPS email addresses 2017-11-03 09:02:30 -07:00
txx9 MIPS: TXX9: Constify gpio_led 2018-02-19 10:55:36 +00:00
vdso MIPS: VDSO: Replace __mips_isa_rev with MIPS_ISA_REV 2018-03-09 11:22:48 +00:00
vr41xx 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 MIPS: Xilfpga: Switch to using generic defconfigs 2017-11-08 22:54:14 +00:00
Kconfig MIPS: Make the default for PHYSICAL_START always 64-bit 2018-03-28 14:58:39 +01:00
Kconfig.debug MIPS: Fix CPS SMP NS16550 UART defaults 2018-01-10 16:44:49 +01:00
Makefile MIPS: Use the entry point from the ELF file header 2018-03-22 22:30:58 +00:00
Makefile.postlink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00