Re: [PATCH] virtio_blk: don't bounce highmem requests

From: Rusty Russell
Date: Tue Jun 23 2009 - 03:13:03 EST

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@xxxxxx>
> 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?

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