[PATCH v3 1/6] arm64: kernel: Add cpuid_feature_extract_field() for 4bit sign extension

[Catalin Marinas]

On Tue, Jul 21, 2015 at 01:23:26PM +0100, James Morse wrote:
> Based on arch/arm/include/asm/cputype.h, this function does the
> shifting and sign extension necessary when accessing cpu feature fields.
> 
> Signed-off-by: James Morse <james.morse at arm.com>
> Suggested-by: Russell King <linux at arm.linux.org.uk>
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will.deacon at arm.com>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>