Re: [PATCH] x86: clean up unnecessarily wide TEST insns

From: Ingo Molnar
Date: Sat Mar 07 2015 - 05:13:49 EST



* Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:

> > +f6 c1 04 test $0x4,%cl
> > -48 f7 c1 08 00 00 00 test $0x8,%rcx
> > +f6 c1 08 test $0x8,%cl
> >
> > arch/x86/kernel/head_64.S | 2 +-
> > arch/x86/kernel/relocate_kernel_32.S | 8 ++++----
> > arch/x86/kernel/relocate_kernel_64.S | 8 ++++----
> > arch/x86/lib/checksum_32.S | 4 ++--
> > arch/x86/lib/csum-copy_64.S | 2 +-
>
> Looks good to me. Ingo, should I queue this up?

No need, I picked it up now that the 32-bit crash of tip:x86/asm is
fixed. I juiced up the changelog a bit. Will push it out after a bit
of testing.

Thanks,

Ingo
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