From: Jamie Lokier <jamie@shareable.org>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] [6391] Fix nographic mode and VNC
Date: Sun, 25 Jan 2009 19:57:22 +0000 [thread overview]
Message-ID: <20090125195722.GC4799@shareable.org> (raw)
In-Reply-To: <200901231820.32999.paul@codesourcery.com>
Paul Brook wrote:
> Maybe. You risk having to put an SMP safe lock in the MMIO handler, which
> would probably do bad things to performance.
Would it? It's just one atomic operation in the non-contention case,
and MMIO writes could be queued the same way that KVM queues them,
without needing locks for each individual op.
-- Jamie
next prev parent reply other threads:[~2009-01-25 19:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-21 19:28 [Qemu-devel] [6391] Fix nographic mode and VNC Blue Swirl
2009-01-21 19:39 ` Stefano Stabellini
2009-01-21 19:52 ` Blue Swirl
2009-01-21 19:56 ` Stefano Stabellini
2009-01-21 20:03 ` Samuel Thibault
2009-01-21 20:16 ` Blue Swirl
2009-01-21 20:29 ` Samuel Thibault
2009-01-21 20:44 ` Blue Swirl
2009-01-21 21:33 ` Anthony Liguori
2009-01-22 0:04 ` Paul Brook
2009-01-22 3:31 ` Anthony Liguori
2009-01-22 4:23 ` Paul Brook
2009-01-22 12:36 ` Ian Jackson
2009-01-23 18:59 ` Paul Brook
2009-01-22 15:29 ` Anthony Liguori
2009-01-23 18:20 ` Paul Brook
2009-01-23 19:37 ` Anthony Liguori
2009-01-25 19:57 ` Jamie Lokier [this message]
2009-01-25 23:25 ` Paul Brook
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