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Update cpu feature extraction

Vladimir Murzin linux-arm-kernel 1 version New

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Cover letter [PATCH 0/4] Update cpu feature extraction
Quoted 6 lines · Vladimir Murzin

Hi,

This has been started as a fix in cpu feature extractor, but Suzuki suggested syncing-up the whole cpu feature handling with the recent updates on arm64 side [1,2].

Quoted 6 lines

I've kept fixes separately, so they can go as the are in case there is concern on updating cpu feature handling.

[1] http://comments.gmane.org/gmane.linux.ports.arm.kernel/455568
[2] https://lkml.org/lkml/2015/11/18/570

Russell, is it OK for patch tracker?

Cheers
Vladimir

Quoted 15 lines

Thanks!

Vladimir Murzin (4):
ARM: fix demoting HWCAP_SWP
ARM: fix cpu feature extracting helper
ARM: introduce cpu feature helper for unsigned values
ARM: use proper helper while extracting cpu features

 arch/arm/include/asm/cputype.h  |   16 +++++++++++++---
 arch/arm/include/asm/smp_plat.h |    4 ++--
 arch/arm/kernel/setup.c         |   34 ++++++++++++++++++++--------------
 arch/arm/kernel/thumbee.c       |    4 +---
 arch/arm/mm/mmu.c               |    2 +-
 5 files changed, 37 insertions(+), 23 deletions(-)

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