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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 23 Jun 2009 16:42:52 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Christoph Hellwig <hch@....de>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] virtio_blk: don't bounce highmem requests

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@....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.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/