linux-kernel - Re: [PATCH] crypto: omap-sham: Use pm_runtime_irq

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Message-ID: <20150401142426.GA28651@gondor.apana.org.au>
Date:	Wed, 1 Apr 2015 22:24:26 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Lokesh Vutla <lokeshvutla@...com>
Cc:	linux-crypto@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org, nsekhar@...com, t-kristo@...com
Subject: Re: [PATCH] crypto: omap-sham: Use pm_runtime_irq_safe()

On Tue, Mar 31, 2015 at 09:52:24AM +0530, Lokesh Vutla wrote:
> omap_sham_handle_queue() can be called as part of done_task tasklet.
> During this its atomic and any calls to pm functions cannot sleep.
> 
> But there is a call to pm_runtime_get_sync() (which can sleep) in
> omap_sham_handle_queue(), because of which the following appears:
> " [  116.169969] BUG: scheduling while atomic: kworker/0:2/2676/0x00000100"
> 
> Add pm_runtime_irq_safe() to avoid this.
> 
> Signed-off-by: Lokesh Vutla <lokeshvutla@...com>

Applied.
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Email: Herbert Xu <herbert@...dor.apana.org.au>
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