Bug 16364 - [BUG -tip bisected] x86, mem: Optimize memcpy by avoiding memory false dependece
Summary: [BUG -tip bisected] x86, mem: Optimize memcpy by avoiding memory false dependece
Status: RESOLVED OBSOLETE
Alias: None
Product: Memory Management
Classification: Unclassified
Component: Other (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Andrew Morton
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-07-10 19:54 UTC by Maciej Rutecki
Modified: 2012-08-09 14:23 UTC (History)
4 users (show)

See Also:
Kernel Version: 2.6.35-rc4
Subsystem:
Regression: Yes
Bisected commit-id:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Description Maciej Rutecki 2010-07-10 19:54:31 UTC 
Subject    : [BUG -tip bisected] x86, mem: Optimize memcpy by avoiding memory false dependece
Submitter  : Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date       : 2010-07-07 22:03
Message-ID : 20100707220325.GA27738@Krystal
References : http://marc.info/?l=linux-kernel&m=127854022808133&w=2

This entry is being used for tracking a regression from 2.6.34.  Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit a1e5278e40f16a4611264f8da9e557c16cb6f6ed
Merge branch 'x86/mem'

First-Bad-Commit : a1e5278e40f16a4611264f8da9e557c16cb6f6ed
Comment 1 Dan Carpenter 2010-07-12 09:33:23 UTC 
This is a bug in Ingo's -tip branch and not in the kernel.org kernel.
Comment 2 Rafael J. Wysocki 2010-07-12 19:07:02 UTC 
Dropping from the list of recent mainline regressions.
Note You need to log in before you can comment on or make changes to this bug.