linux-kernel - Re: [PATCH v2] dmaengine: idxd: avoid deadlock in process_misc

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Date:   Sun, 4 Sep 2022 21:58:14 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Jerry Snitselaar <jsnitsel@...hat.com>
Cc:     linux-kernel@...r.kernel.org, Fenghua Yu <fenghua.yu@...el.com>,
        Dave Jiang <dave.jiang@...el.com>, dmaengine@...r.kernel.org
Subject: Re: [PATCH v2] dmaengine: idxd: avoid deadlock in
 process_misc_interrupts()

On 23-08-22, 09:37, Jerry Snitselaar wrote:
> idxd_device_clear_state() now grabs the idxd->dev_lock
> itself, so don't grab the lock prior to calling it.
> 
> This was seen in testing after dmar fault occurred on system,
> resulting in lockup stack traces.

Applied, thanks

-- 
~Vinod