From: Sasha Levin <levinsasha928@gmail.com>
To: Pekka Enberg <penberg@kernel.org>
Cc: Asias He <asias.hejun@gmail.com>,
Cyrill Gorcunov <gorcunov@gmail.com>, Ingo Molnar <mingo@elte.hu>,
kvm@vger.kernel.org
Subject: Re: [PATCH] kvm tools: Use vring_need_event() to determine if interrupt is needed
Date: Sat, 26 Nov 2011 22:41:43 +0200 [thread overview]
Message-ID: <1322340103.3831.1.camel@lappy> (raw)
In-Reply-To: <1322314020.3831.0.camel@lappy>
On Sat, 2011-11-26 at 15:27 +0200, Sasha Levin wrote:
> On Sat, 2011-11-26 at 14:40 +0200, Pekka Enberg wrote:
> > On Fri, Nov 25, 2011 at 5:47 PM, Asias He <asias.hejun@gmail.com> wrote:
> > > This patch also fixes fio seq-read hang problem.
> > >
> > > root@guest-kvm:~# cat seq-read.fio
> > > [seq-read]
> > > rw=read
> > > bs=4096
> > > size=512m
> > > direct=1
> > > filename=/dev/vdb
> > >
> > > root@guest-kvm:~# fio seq-read.fio
> > > random-read: (g=0): rw=read, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1
> > > Starting 1 process
> > > Jobs: 1 (f=1): [R] [50.0% done] [0K/0K /s] [0/0 iops] [eta 00m:27s]
> > >
> > > Signed-off-by: Asias He <asias.hejun@gmail.com>
> >
> > Sasha, does this look good to you?
>
> I'm trying to see if it solved the hang problem I've mentioned on IRC.
> Will update.
Yup, fixed it for me.
Acked-by: Sasha Levin <levinsasha928@gmail.com>
--
Sasha.
prev parent reply other threads:[~2011-11-26 20:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-25 15:47 [PATCH] kvm tools: Use vring_need_event() to determine if interrupt is needed Asias He
2011-11-26 12:40 ` Pekka Enberg
2011-11-26 13:27 ` Sasha Levin
2011-11-26 20:41 ` Sasha Levin [this message]
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=1322340103.3831.1.camel@lappy \
--to=levinsasha928@gmail.com \
--cc=asias.hejun@gmail.com \
--cc=gorcunov@gmail.com \
--cc=kvm@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=penberg@kernel.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