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Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread |
Date: |
Thu, 04 Apr 2013 13:17:48 -0500 |
User-agent: |
Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Peter Maydell <address@hidden> writes:
> On 4 April 2013 17:59, Anthony Liguori <address@hidden> wrote:
>> So I think this is a long way of saying:
>>
>> Reviewed-by: Anthony Liguori <address@hidden>
>
> Any chance we could update the commit message to include
> this more authoritative analysis?
Yes, please do. I'm also not sure that just always dropping the lock is
the best strategy either.
I think a simple counter with a nice comment that explains why we need
to periodically drop the lock is a better solution as it gives a way to
experiment with the right value to ensure fairness between the threads
without having excessing lock acquisition/release.
Regards,
Anthony Liguori
>
> thanks
> -- PMM
- [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Peter Crosthwaite, 2013/04/02
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Paolo Bonzini, 2013/04/02
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Peter Crosthwaite, 2013/04/02
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Paolo Bonzini, 2013/04/03
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Peter Crosthwaite, 2013/04/03
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Paolo Bonzini, 2013/04/04
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Anthony Liguori, 2013/04/04
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Anthony Liguori, 2013/04/04
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Peter Maydell, 2013/04/04
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread,
Anthony Liguori <=
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Paolo Bonzini, 2013/04/04
- Re: [Qemu-devel] [RFC PATCH] main-loop: Unconditionally unlock iothread, Anthony Liguori, 2013/04/04