linux-kernel - Re: [regression v4.0-rc1] mm: IPIs from TLB flushes causing significant performance degradation.

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Message-ID: <54F4B943.9050509@sr71.net>
Date:	Mon, 02 Mar 2015 11:25:55 -0800
From:	Dave Hansen <dave@...1.net>
To:	Matt <jackdachef@...il.com>, Dave Chinner <david@...morbit.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Will Deacon <will.deacon@....com>
Subject: Re: [regression v4.0-rc1] mm: IPIs from TLB flushes causing significant
 performance degradation.

On 03/02/2015 11:17 AM, Matt wrote:
> Linus already posted a fix to the problem, however I can't seem to
> find the matching commit in his tree (searching for "TLC regression"
> or "TLB cache").

It's in 721c21c17ab958abf19a8fc611c3bd4743680e38 iirc.
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