lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <4B126124.60902@klingt.org>
Date:	Sun, 29 Nov 2009 12:55:16 +0100
From:	Tim Blechmann <tim@...ngt.org>
To:	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: [PATCH] sched, x86: Optimize branch hint in __switch_to()


Branch hint profiling on my nehalem machine showed 89%
incorrect branch hints:

31032542 270070841  89 __switch_to                    process_64.c         440

Signed-off-by: Tim Blechmann <tim@...ngt.org>
---
 arch/x86/kernel/process_64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)



View attachment "0001-sched-x86-Optimize-branch-hint-in-__switch_to.patch" of type "text/x-patch" (578 bytes)

Download attachment "signature.asc" of type "application/pgp-signature" (198 bytes)

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ