From: Jens Axboe <axboe@kernel.dk>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch] blk-mq: zero out ctx_map during initialization
Date: Mon, 21 Oct 2013 13:12:11 -0600 [thread overview]
Message-ID: <20131021191211.GA14598@kernel.dk> (raw)
In-Reply-To: <x491u3ecxs0.fsf@segfault.boston.devel.redhat.com>
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
prev parent reply other threads:[~2013-10-21 19:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-21 17:57 [patch] blk-mq: zero out ctx_map during initialization Jeff Moyer
2013-10-21 19:12 ` Jens Axboe [this message]
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