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From: Rusty Russell <rusty@rustcorp.com.au>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: Re: [PATCH] virtio_blk: don't bounce highmem requests
Date: Tue, 23 Jun 2009 16:42:52 +0930	[thread overview]
Message-ID: <200906231642.52848.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20090620183215.GA24936@lst.de>

On Sun, 21 Jun 2009 04:02:15 am Christoph Hellwig wrote:
> Looks like I sent a patch that doesn't actually compile because qui
> decided to apply those fixes to a different one.  Here's the correc
> one:
>
> --
>
> Subject: virtio_blk: don't bounce highmem requests
> From: Christoph Hellwig <hch@lst.de>
>
> By default a block driver bounces highmem requests, but virtio-blk is
> perfectly fine with any request that fit into it's 64 bit addressing
> scheme, mapped in the kernel virtual space or not.

Thanks, applied.

I had no idea we had to set a bounce limit; wonder what else the driver 
doesn't do?

Thanks,
Rusty.

  reply	other threads:[~2009-06-23  7:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-19 18:20 [PATCH] virtio_blk: don't bounce highmem requests Christoph Hellwig
2009-06-20 18:32 ` Christoph Hellwig
2009-06-23  7:12   ` Rusty Russell [this message]
2009-07-08 18:10     ` Christoph Hellwig

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