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Re: [PATCH] x86: branchless clear_page()

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  Re: [PATCH] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-22 23:00 +0200

#1468044 — Re: [PATCH] x86: branchless clear_page()

On Mon, Aug 22, 2016 at 11:52:29PM +0300, Alexey Dobriyan wrote:
> Apply alternatives at the call site instead of function body.
> Save branch per clean page.
> 
> Bonus: tell gcc to not flush whole shebang of registers,
> just RDI, RAX, RCX.

Rename individual clear_page() functions closer to implementation
details (_c_e suffix sucks).

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