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From: Dmitry Osipenko <digetx@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2] dma: tegra: avoid channel lock up after free
Date: Mon, 29 Oct 2012 23:28:10 +0000 (UTC)	[thread overview]
Message-ID: <loom.20121030T002407-501@post.gmane.org> (raw)
In-Reply-To: 1351552833-4132-1-git-send-email-digetx@gmail.com

Also code looks not thread-safe, is it ok? For example we can protect prepare
functions with a spinlock and add tegra_dma_terminate_all_locked for calling on
channel freeing under spinlock to avoid reschedule. What do you think?


  reply	other threads:[~2012-10-29 23:29 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-28 14:17 [PATCH 2/2] dma: tegra20-apbdma: channel freeing correction Dmitry Osipenko
2012-10-28 14:17 ` Dmitry Osipenko
2012-10-29 15:27 ` Stephen Warren
2012-10-29 23:20   ` [PATCH V2] dma: tegra: avoid channel lock up after free Dmitry Osipenko
2012-10-29 23:28     ` Dmitry Osipenko [this message]
2012-10-30 18:05     ` Stephen Warren
2012-10-31 14:58     ` Laxman Dewangan
     [not found] ` <1351433873-14082-1-git-send-email-digetx-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-10-31 14:48   ` [PATCH 2/2] dma: tegra20-apbdma: channel freeing correction Laxman Dewangan
2012-10-31 14:48     ` Laxman Dewangan
2012-10-31 14:48   ` Laxman Dewangan
2012-10-31 14:48     ` Laxman Dewangan

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