linux-dev/arch/arm64/include/asm/alternative-asm.h, branch masterLinux kernel development work - see feature brancheshttps://git.zx2c4.com/linux-dev/atom/arch/arm64/include/asm/alternative-asm.h?h=master2015-06-05T09:38:53Zarm64: alternative: Merge alternative-asm.h into alternative.h2015-06-05T09:38:53ZMarc Zyngiermarc.zyngier@arm.com2015-06-01T09:47:41Zurn:sha1:8d883b23aed73cad844ba48051c7e96eddf0f51c
asm/alternative-asm.h and asm/alternative.h are extremely similar,
and really deserve to live in the same file (as this makes further
modufications a bit easier).
Fold the content of alternative-asm.h into alternative.h, and
update the few users.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arm64: add Cortex-A53 cache errata workaround2014-11-25T15:56:21ZAndre Przywaraandre.przywara@arm.com2014-11-14T15:54:10Zurn:sha1:301bcfac42897dbd1b0b3c1be49f24654a1bc49e
The ARM errata 819472, 826319, 827319 and 824069 define the same
workaround for these hardware issues in certain Cortex-A53 parts.
Use the new alternatives framework and the CPU MIDR detection to
patch "cache clean" into "cache clean and invalidate" instructions if
an affected CPU is detected at runtime.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
[will: add __maybe_unused to squash gcc warning]
Signed-off-by: Will Deacon <will.deacon@arm.com>
arm64: add alternative runtime patching2014-11-25T13:46:36ZAndre Przywaraandre.przywara@arm.com2014-11-14T15:54:08Zurn:sha1:e039ee4ee3fcf174736f2cb0a2eed6cb908348a6
With a blatant copy of some x86 bits we introduce the alternative
runtime patching "framework" to arm64.
This is quite basic for now and we only provide the functions we need
at this time.
This is connected to the newly introduced feature bits.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>