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linux/arch/arm64
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Suzuki K Poulose 50ed0188af arm64: Add work around for Arm Cortex-A55 Erratum 1024718 
commit ece1397cbc upstream.

Some variants of the Arm Cortex-55 cores (r0p0, r0p1, r1p0) suffer
from an erratum 1024718, which causes incorrect updates when DBM/AP
bits in a page table entry is modified without a break-before-make
sequence. The work around is to skip enabling the hardware DBM feature
on the affected cores. The hardware Access Flag management features
is not affected. There are some other cores suffering from this
errata, which could be added to the midr_list to trigger the work
around.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: ckadabi@codeaurora.org
Reviewed-by: Dave Martin <dave.martin@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-05-16 10:10:25 +02:00
..
boot arm64: dts: rockchip: remove vdd_log from rk3399-puma 2018-04-29 11:33:16 +02:00
configs ARM/arm64: SoC platform updates for v4.14 2017-09-10 20:35:46 -07:00
crypto crypto: arm64/aes-ce-cipher - move assembler code to .S file 2018-04-12 12:32:21 +02:00
include arm64: Add work around for Arm Cortex-A55 Erratum 1024718 2018-05-16 10:10:25 +02:00
kernel arm64: cpufeature: Fix CTR_EL0 field definitions 2018-02-28 10:19:42 +01:00
kvm arm/arm64: KVM: Add PSCI version selection API 2018-05-01 12:58:27 -07:00
lib arm64: uaccess: Mask __user pointers for __arch_{clear, copy_*}_user 2018-02-16 20:22:52 +01:00
mm arm64: Add work around for Arm Cortex-A55 Erratum 1024718 2018-05-16 10:10:25 +02:00
net bpf, arm64: fix out of bounds access in tail call 2018-03-11 16:23:22 +01:00
xen arm64: kpti: Fix the interaction between ASID switching and software PAN 2018-02-16 20:22:49 +01:00
Kconfig arm64: Add work around for Arm Cortex-A55 Erratum 1024718 2018-05-16 10:10:25 +02:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms ARM: arm64: Devicetree updates for v4.14 2017-09-10 20:54:48 -07:00
Makefile arm64: prevent regressions in compressed kernel image size when upgrading to binutils 2.27 2017-12-20 10:10:29 +01:00