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authorMasahiro Yamada <yamada.masahiro@socionext.com>2019-05-12 21:52:01 +0900
committerIngo Molnar <mingo@kernel.org>2019-05-13 11:07:33 +0200
commit409ca45526a428620d8efb362ccfd4b1e6b80642 (patch)
tree661224b2fd02f0e2026bb1ee612738ddf2268031 /lib/lcm.c
parenteccd906484d1cd4b5da00f093d678badb6f48f28 (diff)
downloadlinux-409ca45526a428620d8efb362ccfd4b1e6b80642.tar.gz
x86/kconfig: Disable CONFIG_GENERIC_HWEIGHT and remove __HAVE_ARCH_SW_HWEIGHT
Remove an unnecessary arch complication:

arch/x86/include/asm/arch_hweight.h uses __sw_hweight{32,64} as
alternatives, and they are implemented in arch/x86/lib/hweight.S

x86 does not rely on the generic C implementation lib/hweight.c
at all, so CONFIG_GENERIC_HWEIGHT should be disabled.

__HAVE_ARCH_SW_HWEIGHT is not necessary either.

No change in functionality intended.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Uros Bizjak <ubizjak@gmail.com>
Link: http://lkml.kernel.org/r/1557665521-17570-1-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/lcm.c')
0 files changed, 0 insertions, 0 deletions