[PATCH 0/5] arm64: cpufeature: Fixes for 4.4-rc1
Suzuki K. Poulose
suzuki.poulose at arm.com
Wed Nov 18 09:03:53 PST 2015
This series contains fixes for two issues.
Patches 1 - 3: Handling of unsigned feature values, issu reported
by AKASHI Takahiro.
Patches 4 - 5: Adds a check to make sure all the secondary CPUs have
compatible ASIDBits to prevent system crashes.
Suzuki K. Poulose (5):
arm64: cpufeature: Add helpers for extracting unsigned values
arm64: cpufeature: Track unsigned fields
arm64: debug: Treat the BRPs/WRPs as unsigned
arm64: Make fail_incapable_cpu reusable
arm64: Ensure the secondary CPUs have safe ASIDBits size
arch/arm64/include/asm/cpufeature.h | 22 +++++-
arch/arm64/include/asm/hw_breakpoint.h | 6 +-
arch/arm64/kernel/cpufeature.c | 132 ++++++++++++++++++++++----------
3 files changed, 116 insertions(+), 44 deletions(-)
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