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From: Rik van Riel <riel@redhat.com>
To: Borislav Petkov <bp@alien8.de>, Oleg Nesterov <oleg@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs
Date: Mon, 23 Feb 2015 10:53:14 -0500	[thread overview]
Message-ID: <54EB4CEA.3030801@redhat.com> (raw)
In-Reply-To: <20150223151137.GC22753@pd.tnic>

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On 02/23/2015 10:11 AM, Borislav Petkov wrote:
> On Mon, Feb 23, 2015 at 03:59:29PM +0100, Oleg Nesterov wrote:
>> Well, but if we want this change then perhaps we should simply
>> change the default value? This way "AUTO" still can work.
> 
> Yeah, sure, let's do some measurements first, to see whether this
> is even worth it.
> 
> Btw, Mel pointed me at some cleanups he did a while ago in that
> area too: https://lkml.org/lkml/2014/8/6/201
> 
> If you guys could take a look, that would be awesome :)

I don't think any of those changes would survive the
"defer FPU loading to do_notify_resume" patch series.

- -- 
All rights reversed
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  reply	other threads:[~2015-02-23 15:54 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-20 18:58 [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs Andy Lutomirski
2015-02-20 19:05 ` Borislav Petkov
2015-02-21  9:31 ` Ingo Molnar
2015-02-21 16:38   ` Borislav Petkov
2015-02-21 17:29     ` Borislav Petkov
2015-02-21 18:39       ` Ingo Molnar
2015-02-21 19:15         ` Borislav Petkov
2015-02-21 19:23           ` Ingo Molnar
2015-02-21 21:36             ` Borislav Petkov
2015-02-22  8:18               ` Ingo Molnar
2015-02-22  8:22                 ` Ingo Molnar
2015-02-22 10:48                 ` Borislav Petkov
2015-02-22 12:50                 ` Borislav Petkov
2015-02-22 12:57                   ` Ingo Molnar
2015-02-22 13:21                     ` Borislav Petkov
2015-02-22  0:34       ` Maciej W. Rozycki
2015-02-22  2:18         ` Andy Lutomirski
2015-02-22 11:06           ` Borislav Petkov
2015-02-23  1:45             ` Rik van Riel
2015-02-23  5:22               ` Andy Lutomirski
2015-02-23 12:51                 ` Rik van Riel
2015-02-23 15:03                   ` Borislav Petkov
2015-02-23 15:51                     ` Rik van Riel
2015-02-23 18:06                       ` Borislav Petkov
2015-02-23 21:17           ` Maciej W. Rozycki
2015-02-23 21:21             ` Rik van Riel
2015-02-23 22:14               ` Linus Torvalds
2015-02-24  0:56                 ` Maciej W. Rozycki
2015-02-24  0:59                   ` Andy Lutomirski
2015-02-23 22:27               ` Maciej W. Rozycki
2015-02-23 23:44                 ` Andy Lutomirski
2015-02-24  2:14                   ` Maciej W. Rozycki
2015-02-24  2:31                     ` Andy Lutomirski
2015-02-24 14:43                       ` Rik van Riel
2015-02-21 18:34     ` Ingo Molnar
2015-02-23 14:59 ` Oleg Nesterov
2015-02-23 15:11   ` Borislav Petkov
2015-02-23 15:53     ` Rik van Riel [this message]
2015-02-23 18:40       ` Oleg Nesterov
2015-02-24 19:15 ` Denys Vlasenko
2015-02-25  0:07   ` Andy Lutomirski
2015-02-25 10:37     ` Borislav Petkov
2015-02-25 10:50       ` Ingo Molnar
2015-02-25 10:45     ` Ingo Molnar
2015-02-25 17:12 ` Some results (was: Re: [RFC PATCH] x86, fpu: Use eagerfpu by default on all CPUs) Borislav Petkov

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