linux-kernel - Re: post-3.18 performance regression in TLB flushing code

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Message-ID: <CA+55aFze3z_f4hKKg3mf3YcQX6KyDfMO7UmUUhjWx5dtjQZN1A@mail.gmail.com>
Date:	Wed, 17 Dec 2014 11:58:44 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Dave Hansen <dave@...1.net>
Cc:	Will Deacon <will.deacon@....com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Michal Simek <monstr@...str.eu>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-MM <linux-mm@...ck.org>
Subject: Re: post-3.18 performance regression in TLB flushing code

On Wed, Dec 17, 2014 at 10:52 AM, Dave Hansen <dave@...1.net> wrote:
>
> These things are also a little bit noisy, so we're well within the
> margin of error with Linus's fix.
>
> This also holds up on the large system.

Good. I'll commit it asap.

                          Linus
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