linux-kernel - Re: [all better] Re: regression: massive trouble with fpu rework

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Message-ID: <1435402892.2836.1.camel@gmail.com>
Date:	Sat, 27 Jun 2015 13:01:32 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Ingo Molnar <mingo@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [all better] Re: regression: massive trouble with fpu rework

On Sat, 2015-06-27 at 11:37 +0200, Borislav Petkov wrote:
> On Sat, Jun 27, 2015 at 10:55:28AM +0200, Mike Galbraith wrote:
> > Yup, that made it not care about the BIOS setting.. again.
> 
> Does it say
> 
> 	"x86/fpu: Legacy x87 FPU detected."
> 
> with Ingo's patch?

Nope.

> Or do you see that "x86/fpu: Enabled xstate features... " print out from
> the end of fpu__init_system_xstate()?

[    0.000000] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100
[    0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers'
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 0x340 bytes, using 'standard' format.
[    0.000000] x86/fpu: Using 'eager' FPU context switches.


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