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(parent: ebac96e) | patch
arm64: Use register field helper in kaslr_requires_kpti()
authorWill Deacon <will@kernel.org>
Wed, 15 Jan 2020 14:06:37 +0000 (14:06 +0000)
committerWill Deacon <will@kernel.org>
Wed, 15 Jan 2020 16:49:48 +0000 (16:49 +0000)
commita569f5f37203451d5378cb7de45f643bcb93d5e9
tree61ded13bb8dc746f02b194d25eaac348b635071etree | snapshot
parentebac96ede61a1a46bdef12df3c1f9c20b00f2d88commit | diff
arm64: Use register field helper in kaslr_requires_kpti()

Rather than open-code the extraction of the E0PD field from the MMFR2
register, we can use the cpuid_feature_extract_unsigned_field() helper
instead.

Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/kernel/cpufeature.c diff | blob | history
Domain: System / Kernel;