From: David Gibson <dwg@au1.ibm.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Blue Swirl <blauwirbel@gmail.com>,
Anthony Liguori <aliguori@us.ibm.com>,
qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH 2/2] Drop obsolete nographic timer
Date: Fri, 14 Oct 2011 11:05:17 +1100 [thread overview]
Message-ID: <20111014000517.GE25283@truffala.fritz.box> (raw)
In-Reply-To: <4E859A76.2000808@siemens.com>
On Fri, Sep 30, 2011 at 12:31:18PM +0200, Jan Kiszka wrote:
> We flush coalesced MMIO in the device models now, and VNC - for which
> this was once introduced - is also fine without it as it has its own
> refresh timer.
These don't seem to have gone in yet, any word on their progress? KVM
exits are *really* expensive on powerpc, so this represents a
significant performance problem for us. I'm hoping this can make the
freeze.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
next prev parent reply other threads:[~2011-10-14 0:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-30 10:31 [Qemu-devel] [PATCH 2/2] Drop obsolete nographic timer Jan Kiszka
2011-10-14 0:05 ` David Gibson [this message]
2011-11-01 20:10 ` Anthony Liguori
2011-11-01 20:15 ` Blue Swirl
2011-11-01 20:20 ` Anthony Liguori
2012-03-10 6:19 ` Marek Vasut
2012-03-10 10:44 ` Jan Kiszka
2012-03-11 23:39 ` Marek Vasut
2012-03-15 18:12 ` Marek Vasut
2012-03-15 21:53 ` Jan Kiszka
2012-03-16 0:52 ` Marek Vasut
2012-03-16 8:17 ` Jan Kiszka
2012-03-16 8:55 ` Paolo Bonzini
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