From: Christoph Hellwig <hch@lst.de>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] virtio_blk: allow re-reading config space at runtime
Date: Wed, 19 Jan 2011 00:54:01 +0100 [thread overview]
Message-ID: <20110118235401.GA16219@lst.de> (raw)
In-Reply-To: <201101190956.10137.rusty@rustcorp.com.au>
On Wed, Jan 19, 2011 at 09:56:09AM +1030, Rusty Russell wrote:
> > I don't think we have much choice. We're getting called from irq
> > context, so we'll need to allocate memory to offload things. That's
> > unless we keep a thread around that we just need to wake up, which
> > would be a huge waste of ressources.
>
> Yes, but can we keep a workqueue struct around?
We can keep one around, but we can't prevent the virtio core code from
calling us again while it's still in use.
next prev parent reply other threads:[~2011-01-18 23:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-14 16:01 [PATCH] virtio_blk: allow re-reading config space at runtime Christoph Hellwig
2011-01-18 1:08 ` Rusty Russell
2011-01-18 12:27 ` Christoph Hellwig
2011-01-18 23:26 ` Rusty Russell
2011-01-18 23:54 ` Christoph Hellwig [this message]
2011-01-27 15:29 ` Michael S. Tsirkin
2011-02-01 17:32 ` Christoph Hellwig
2011-02-01 18:38 ` Michael S. Tsirkin
2011-02-01 19:21 ` Christoph Hellwig
2011-02-01 19:51 ` Michael S. Tsirkin
2011-02-01 20:43 ` [PATCH v3] " Christoph Hellwig
2011-02-04 2:39 ` Rusty Russell
2011-01-27 15:32 ` [PATCH] " Michael S. Tsirkin
2011-02-01 17:33 ` Christoph Hellwig
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