linux-kernel - Re: [patch 0/3] x86/fpu: Prevent FPU state corruption

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Date:   Wed, 04 May 2022 20:05:43 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Filipe Manana <fdmanana@...e.com>,
        Larry Finger <Larry.Finger@...inger.net>
Subject: Re: [patch 0/3] x86/fpu: Prevent FPU state corruption

On Wed, May 04 2022 at 17:40, Jason A. Donenfeld wrote:
> On Sun, May 01, 2022 at 09:31:42PM +0200, Thomas Gleixner wrote:
>> The recent changes in the random code unearthed a long standing FPU state
>> corruption due do a buggy condition for granting in-kernel FPU usage.
>  
> Thanks for working that out. I've been banging my head over [1] for a
> few days now trying to see if it's a mis-bisect or a real thing. I'll
> ask Larry to retry with this patchset.

You could have just Cc'ed him. :) Did so now.

Larry, can you please test:

 https://lore.kernel.org/lkml/20220501193102.588689270@linutronix.de

Thanks,

        Thomas