linux-kernel - Re: WARNING: CPU: 0 PID: 3031 at ./arch/x86/include/asm/fpu/internal.h:530 fpu_

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Date:	Wed, 17 Feb 2016 12:06:59 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Andy Lutomirski <luto@...capital.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	X86 ML <x86@...nel.org>
Subject: Re: WARNING: CPU: 0 PID: 3031 at
 ./arch/x86/include/asm/fpu/internal.h:530 fpu__restore+0x90/0x130()


* Borislav Petkov <bp@...en8.de> wrote:

> On Wed, Feb 17, 2016 at 10:35:12AM +0100, Ingo Molnar wrote:
> > So it probably triggers on vanilla v4.4 (or v4.5-rc4) as well, with no
> > recent FPU bits applied?
> 
> Nope, 4.4 doesn't trigger. Lemme try some of those other commits...

My guess is:

  58122bf1d856 x86/fpu: Default eagerfpu=on on all CPUs

but could be one of the others as well ...

Thanks,

	Ingo