linux-kernel - Re: [patch] blk-mq: zero out ctx

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Message-ID: <20131021191211.GA14598@kernel.dk>
Date:	Mon, 21 Oct 2013 13:12:11 -0600
From:	Jens Axboe <axboe@...nel.dk>
To:	Jeff Moyer <jmoyer@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch] blk-mq: zero out ctx_map during initialization

On Mon, Oct 21 2013, Jeff Moyer wrote:
> Hi,
> 
> ctx_map may contain random garbage, leading to (potentially chronic but
> harmless) false positives in blk_mq_hctx_has_pending.
> 
> Note: I have not observed this in practice, just by code inspection.

It's the prudent thing to do in any case. Applied.

-- 
Jens Axboe

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