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linux-next/arch/powerpc
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Michael Ellerman ddf35cf376 powerpc: Use barrier_nospec in copy_from_user() 
Based on the x86 commit doing the same.

See commit 304ec1b05031 ("x86/uaccess: Use __uaccess_begin_nospec()
and uaccess_try_nospec") and b3bbfb3fb5d2 ("x86: Introduce
__uaccess_begin_nospec() and uaccess_try_nospec") for more detail.

In all cases we are ordering the load from the potentially
user-controlled pointer vs a previous branch based on an access_ok()
check or similar.

Base on a patch from Michal Suchanek.

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-06-03 20:43:45 +10:00
..
boot
Merge branch 'topic/kbuild' into next
2018-06-03 20:24:15 +10:00
configs
powerpc/config: powernv_defconfig updates
2018-05-10 23:25:07 +10:00
crypto
crypto: hash - annotate algorithms taking optional key
2018-01-12 23:03:35 +11:00
include
powerpc: Use barrier_nospec in copy_from_user()
2018-06-03 20:43:45 +10:00
kernel
powerpc/64s: Enable barrier_nospec based on firmware settings
2018-06-03 20:43:45 +10:00
kvm
Merge branch 'topic/ppc-kvm' into next
2018-05-15 22:28:19 +10:00
lib
powerpc/64s: Patch barrier_nospec in modules
2018-06-03 20:43:44 +10:00
math-emu
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mm
powerpc/mm/hash: hard disable irq in the SLB insert path
2018-06-03 20:40:38 +10:00
net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-03-05 11:29:24 -08:00
oprofile
powerpc: Use sizeof(*foo) rather than sizeof(struct foo)
2018-03-20 16:47:53 +11:00
perf
powerpc/perf: Unregister thread-imc if core-imc not supported
2018-06-03 20:43:37 +10:00
platforms
powerpc/64s: Enable barrier_nospec based on firmware settings
2018-06-03 20:43:45 +10:00
purgatory
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysdev
powerpc/xics: Add missing of_node_put() in error path
2018-06-03 20:43:35 +10:00
tools
powerpc/kbuild: Use flags variables rather than overriding LD/CC/AS
2018-06-01 23:08:09 +10:00
xmon
powerpc/64: Save stack pointer when we hard disable interrupts
2018-06-03 20:43:42 +10:00
Kconfig
powerpc: always enable RTC_LIB
2018-06-03 20:43:33 +10:00
Kconfig.debug
powerpc: Add new kconfig CONFIG_PPC_IRQ_SOFT_MASK_DEBUG
2018-01-19 22:37:03 +11:00
Makefile
powerpc/kbuild: Use flags variables rather than overriding LD/CC/AS
2018-06-01 23:08:09 +10:00
Makefile.postlink
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00