[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] Re: [PATCH 0/2 version 2] fw_cfg: Implement fast "DMA"-type
From: |
Richard W.M. Jones |
Subject: |
[Qemu-devel] Re: [PATCH 0/2 version 2] fw_cfg: Implement fast "DMA"-type operation for rapidly copying in kernel, initrd [etc] into the guest |
Date: |
Mon, 19 Jul 2010 11:49:09 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Mon, Jul 19, 2010 at 01:45:00PM +0300, Gleb Natapov wrote:
> On Mon, Jul 19, 2010 at 11:15:04AM +0100, Richard W.M. Jones wrote:
> >
> > This is the second version of the patch.
> >
> > We don't use the word "blit" any more, instead this is replaced with
> > "DMA", even though it's not quite like a DMA operation on physical
> > hardware.
> >
> You ignored the whole discussion above. Calling things DMA will not make
> them so. You haven't event implemented Alexander's suggestion to poll
> for DMA completion which will at lease make the interface to the guest
> palatable.
I read everything in the discussion.
I can add polling however.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
New in Fedora 11: Fedora Windows cross-compiler. Compile Windows
programs, test, and build Windows installers. Over 70 libraries supprt'd
http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw
[Qemu-devel] [PATCH 0/2 version 2] fw_cfg: Implement fast "DMA"-type operation for rapidly copying in kernel, initrd [etc] into the guest, Richard W.M. Jones, 2010/07/19
[Qemu-devel] [PATCH 2/2 version 3] fw_cfg: Implement fast "DMA"-type operation for rapidly copying in kernel, initrd [etc] into the guest, Richard W.M. Jones, 2010/07/19