From: Thomas Gleixner <tglx@linutronix.de>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
x86@kernel.org, Filipe Manana <fdmanana@suse.com>,
Larry Finger <Larry.Finger@lwfinger.net>
Subject: Re: [patch 0/3] x86/fpu: Prevent FPU state corruption
Date: Wed, 04 May 2022 20:05:43 +0200 [thread overview]
Message-ID: <877d71jhqg.ffs@tglx> (raw)
In-Reply-To: <YnKeag3Ulg0NR58Q@zx2c4.com>
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
next prev parent reply other threads:[~2022-05-04 18:28 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-01 19:31 [patch 0/3] x86/fpu: Prevent FPU state corruption Thomas Gleixner
2022-05-01 19:31 ` [patch 1/3] " Thomas Gleixner
2022-05-02 13:16 ` Borislav Petkov
2022-05-05 0:42 ` [tip: x86/urgent] " tip-bot2 for Thomas Gleixner
2022-05-01 19:31 ` [patch 2/3] x86/fpu: Rename irq_fpu_usable() Thomas Gleixner
2022-05-02 13:57 ` Borislav Petkov
2022-05-01 19:31 ` [patch 3/3] x86/fpu: Make FPU protection more robust Thomas Gleixner
2022-05-02 14:35 ` Borislav Petkov
2022-05-02 15:58 ` Thomas Gleixner
2022-05-03 9:06 ` Peter Zijlstra
2022-05-04 15:36 ` Thomas Gleixner
2022-05-04 15:55 ` Jason A. Donenfeld
2022-05-04 16:45 ` Thomas Gleixner
2022-05-04 19:05 ` Jason A. Donenfeld
2022-05-04 21:04 ` Thomas Gleixner
2022-05-04 23:52 ` Jason A. Donenfeld
2022-05-05 0:55 ` Thomas Gleixner
2022-05-05 1:11 ` Jason A. Donenfeld
2022-05-05 1:21 ` Thomas Gleixner
2022-05-05 11:02 ` Jason A. Donenfeld
2022-05-05 11:34 ` David Laight
2022-05-05 11:35 ` Jason A. Donenfeld
2022-05-05 11:53 ` David Laight
2022-05-06 22:34 ` Jason A. Donenfeld
2022-05-07 13:50 ` David Laight
2022-05-05 13:48 ` Jason A. Donenfeld
2022-05-06 22:15 ` Jason A. Donenfeld
2022-05-03 9:03 ` Peter Zijlstra
2022-05-02 10:02 ` [patch 0/3] x86/fpu: Prevent FPU state corruption Filipe Manana
2022-05-02 12:22 ` Borislav Petkov
2022-05-04 15:40 ` Jason A. Donenfeld
2022-05-04 18:05 ` Thomas Gleixner [this message]
2022-05-18 1:02 ` Jason A. Donenfeld
2022-05-18 11:14 ` Jason A. Donenfeld
2022-05-18 11:18 ` Jason A. Donenfeld
2022-05-18 13:09 ` Thomas Gleixner
2022-05-18 14:08 ` Jason A. Donenfeld
2022-05-25 20:36 ` Jason A. Donenfeld
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