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From: Avi Kivity <avi@redhat.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/6] change vectored block I/O API to plain iovecs
Date: Sun, 15 Mar 2009 15:36:29 +0200	[thread overview]
Message-ID: <49BD045D.6030601@redhat.com> (raw)
In-Reply-To: <49BD0080.6050709@codemonkey.ws>

Anthony Liguori wrote:
>> virtio gets its iovecs through a hacky (and incorrect, try >=4G) 
>> method.  IMO virtio should be fixed to use the dma api, at which 
>> point it will start to use QEMUIOVector anyway,
>
> >= 4GB should work fine in virtio.  It basically replicates the DMA 
> API today.  It doesn't handle MMIO memory though.
>

Right.  I saw phys_ram_base somewhere and jumped to conclusions.  Sorry 
about the noise.

Still, it should use the dma api to avoid code duplication.

-- 
error compiling committee.c: too many arguments to function

  reply	other threads:[~2009-03-15 13:36 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-14 19:27 [Qemu-devel] [PATCH 0/6] add real vectored block I/O support Christoph Hellwig
2009-03-14 19:27 ` [Qemu-devel] [PATCH 1/6] more BlockDriver C99 initializers Christoph Hellwig
2009-03-28 18:35   ` Christoph Hellwig
2009-03-14 19:28 ` [Qemu-devel] [PATCH 2/6] change vectored block I/O API to plain iovecs Christoph Hellwig
2009-03-15 12:42   ` Avi Kivity
2009-03-15 13:20     ` Anthony Liguori
2009-03-15 13:36       ` Avi Kivity [this message]
2009-03-15 14:48     ` Christoph Hellwig
2009-03-15 15:07       ` Avi Kivity
2009-03-15 16:35         ` Christoph Hellwig
2009-03-14 19:28 ` [Qemu-devel] [PATCH 3/6] virtio-blk: use generic vectored I/O APIs Christoph Hellwig
2009-03-14 19:30 ` [Qemu-devel] [PATCH 4/6] remove bdrv_aio_read/bdrv_aio_write Christoph Hellwig
2009-03-14 19:30 ` [Qemu-devel] [PATCH 5/6] push down vector linearization to posix-aio-compat.c Christoph Hellwig
2009-03-14 19:31 ` [Qemu-devel] [PATCH 6/6] experimental native preadv/pwritev support for Linux Christoph Hellwig
2009-03-15 14:36   ` Blue Swirl
2009-03-15 14:44     ` Christoph Hellwig
2009-03-15 15:03       ` Blue Swirl
2009-03-15 15:16         ` Christoph Hellwig
2009-03-16 11:38   ` Gerd Hoffmann
2009-03-16 11:53     ` Christoph Hellwig

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