From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>,
qemu-devel@nongnu.org, Kevin Wolf <kwolf@redhat.com>,
Max Reitz <mreitz@redhat.com>
Subject: Re: [Qemu-devel] [RFC for-2.7] block: keep AioContext pointer in BlockBackend
Date: Tue, 10 May 2016 12:38:17 +0200 [thread overview]
Message-ID: <5731BA19.40503@redhat.com> (raw)
In-Reply-To: <20160510093333.GC11408@stefanha-x1.localdomain>
On 10/05/2016 11:33, Stefan Hajnoczi wrote:
>> >
>> > I'm not sure I agree with #2, as we should move away for the
>> > super-coarse AioContext lock (it is heavyweight and it doesn't play well
>> > with multiqueue). Atomics can be used for statistics, while the
>> > time-based accounting probably should be made optional because it's
>> > heavy-weight and hard to scale.
>> >
>> > But I do agree with #1, so the idea seems good.
> I agree that lightweight options are nicer. Should I resend without #2
> in the commit description?
Well, it _is_ a valid concern until someone does the work. :)
Paolo
next prev parent reply other threads:[~2016-05-10 10:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 14:14 [Qemu-devel] [RFC for-2.7] block: keep AioContext pointer in BlockBackend Stefan Hajnoczi
2016-05-09 16:48 ` Paolo Bonzini
2016-05-10 9:33 ` Stefan Hajnoczi
2016-05-10 10:38 ` Paolo Bonzini [this message]
2016-05-11 13:24 ` Stefan Hajnoczi
2016-05-17 10:52 ` Max Reitz
2016-05-17 11:07 ` Paolo Bonzini
2016-05-17 11:14 ` Max Reitz
2016-05-17 11:37 ` Paolo Bonzini
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=5731BA19.40503@redhat.com \
--to=pbonzini@redhat.com \
--cc=kwolf@redhat.com \
--cc=mreitz@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=stefanha@gmail.com \
--cc=stefanha@redhat.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.