From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] honor IDE_DMA_BUF_SECTORS
Date: Fri, 27 Mar 2009 14:45:55 +0100 [thread overview]
Message-ID: <20090327134555.GI5408@const.bordeaux.inria.fr> (raw)
In-Reply-To: <49CCB02B.40201@redhat.com>
Avi Kivity, le Fri 27 Mar 2009 13:53:31 +0300, a écrit :
> Maybe I'm confused by $subject.
Ah, ok.
> >>block-raw-posix need not do that, just a while loop.
> >
> >For the synchronous interface, yes. For the asynchronous interface,
> >short reads could happen too... (unfortunately we are aware of that too
> >late for queuing other requests and getting efficiency).
>
> Currently block-raw-posix uses synchronous I/O even for asynchronous
> requests (using threads) so the fix is the same in both cases.
Ow, right, we are not using any native AIO interface actually.
(not only related to qemu: I'm depressed when seeing how AIO is
standardized/supported/used in the Unix world...)
Samuel
next prev parent reply other threads:[~2009-03-27 13:46 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-25 13:45 [Qemu-devel] [PATCH] honor IDE_DMA_BUF_SECTORS Stefano Stabellini
2009-03-25 15:22 ` Avi Kivity
2009-03-25 16:19 ` Stefano Stabellini
2009-03-25 16:45 ` Avi Kivity
2009-03-25 16:50 ` Stefano Stabellini
2009-03-25 17:47 ` Stefano Stabellini
2009-03-26 10:23 ` Avi Kivity
2009-03-26 10:31 ` Stefano Stabellini
2009-03-26 10:57 ` Avi Kivity
2009-03-26 11:45 ` Stefano Stabellini
2009-03-26 12:10 ` Avi Kivity
2009-03-26 12:28 ` Stefano Stabellini
2009-03-26 12:47 ` Samuel Thibault
2009-03-26 12:58 ` Avi Kivity
2009-03-26 15:30 ` Samuel Thibault
2009-03-26 18:32 ` Avi Kivity
2009-03-26 18:48 ` Samuel Thibault
2009-03-26 19:40 ` Avi Kivity
2009-03-26 23:18 ` Samuel Thibault
2009-03-27 9:52 ` Avi Kivity
2009-03-27 10:32 ` Samuel Thibault
2009-03-27 10:53 ` Avi Kivity
2009-03-27 13:45 ` Samuel Thibault [this message]
2009-03-26 22:42 ` Christoph Hellwig
2009-03-26 23:22 ` Samuel Thibault
2009-03-27 10:02 ` Avi Kivity
2009-03-27 10:36 ` Samuel Thibault
2009-03-27 10:58 ` Avi Kivity
2009-03-25 16:46 ` Samuel Thibault
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090327134555.GI5408@const.bordeaux.inria.fr \
--to=samuel.thibault@ens-lyon.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).