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Date:   Tue, 11 Jun 2019 09:52:37 +0200
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Christoph Hellwig <hch@lst.de>
Cc:     x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/3] x86/fpu: don't use current->mm to check for a kthread
Message-ID: <20190611075236.r54rclevt2ehetdv@linutronix.de>
References: <20190604071524.12835-1-hch@lst.de>
 <20190604175411.GA27477@lst.de>
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On 2019-06-04 19:54:12 [+0200], Christoph Hellwig wrote:
> current->mm can be non-NULL if a kthread calls use_mm.  Check for
> PF_KTHREAD instead to decide when to store user mode FP state.
> 
> Fixes: 2722146eb784 ("x86/fpu: Remove fpu->initialized")
> Reported-by: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

For the whole series.

Sebastian