linux-kernel - Re: [PATCH 0/4] Fix ebizzy performance regression due to X86 TLB range flush v2

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Message-ID: <CA+55aFz5ZTEiEELhPaQd97TorAKjqrKCmJc9O0NE1Nyri65Pzw@mail.gmail.com>
Date:	Sun, 15 Dec 2013 10:34:25 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Mel Gorman <mgorman@...e.de>
Cc:	Alex Shi <alex.shi@...aro.org>, Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Fengguang Wu <fengguang.wu@...el.com>,
	H Peter Anvin <hpa@...or.com>, Linux-X86 <x86@...nel.org>,
	Linux-MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] Fix ebizzy performance regression due to X86 TLB
 range flush v2

On Sun, Dec 15, 2013 at 7:55 AM, Mel Gorman <mgorman@...e.de> wrote:
>
> Short answer -- There appears to be a second bug where 3.13-rc3 is less
> fair to threads getting time on the CPU.

Hmm.  Can you point me at the (fixed) microbenchmark you mention?

              Linus
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