arm64: elf: use cpuid_feature_extract_field for hwcap detection

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cpuid_feature_extract_field takes care of the fiddly ID register
field sign-extension, so use that instead of rolling our own version.

Signed-off-by: Will Deacon <will.deacon@arm.com>

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Will Deacon 2015-07-27 16:55:32 +01:00

parent 2e94da1379

commit 309585b0b9

1 changed files with 15 additions and 20 deletions

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arch/arm64/kernel/setup.c

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