Bug 16364

Summary:	[BUG -tip bisected] x86, mem: Optimize memcpy by avoiding memory false dependece
Product:	Memory Management	Reporter:	Maciej Rutecki (maciej.rutecki)
Component:	Other	Assignee:	Andrew Morton (akpm)
Status:	RESOLVED OBSOLETE
Severity:	normal	CC:	alan, error27, maciej.rutecki, rjw
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.35-rc4	Subsystem:
Regression:	Yes	Bisected commit-id:

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.