Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1468058

Re: [PATCH] x86: branchless clear_page()

From Borislav Petkov <bp@alien8.de>
Newsgroups linux.kernel
Subject Re: [PATCH] x86: branchless clear_page()
Date 2016-08-22 23:10 +0200
Message-ID <s94DL-36M-11@gated-at.bofh.it> (permalink)
References <s94u6-2Ol-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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.

Any size increase to an allyesconfig vmlinux and increase to
alternatives application time?

Booting with "debug-alternative" should help.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-22 23:00 +0200
  Re: [PATCH] x86: branchless clear_page() Borislav Petkov <bp@alien8.de> - 2016-08-22 23:10 +0200
    Re: [PATCH] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-23 14:10 +0200
  Re: [PATCH] x86: branchless clear_page() Brian Gerst <brgerst@gmail.com> - 2016-08-23 15:50 +0200
    Re: [PATCH] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-23 18:20 +0200
  [PATCH 1/3] x86: branchless clear_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-23 18:20 +0200
    [PATCH 2/3] x86: support REP MOVSB copy_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-23 18:30 +0200
      [PATCH 3/3] x86: branchless copy_page() Alexey Dobriyan <adobriyan@gmail.com> - 2016-08-23 18:30 +0200

csiph-web