Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1468044
| From | Alexey Dobriyan <adobriyan@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] x86: branchless clear_page() |
| Date | 2016-08-22 23:00 +0200 |
| Message-ID | <s94u6-2Ol-25@gated-at.bofh.it> (permalink) |
| References | <s94u6-2Ol-27@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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).
Back to linux.kernel | Previous | Next | Find similar | Unroll thread
Re: [PATCH] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-22 23:00 +0200
csiph-web