From: Gerhard Wiesinger <lists@wiesinger.com>
To: Jan Kiszka <jan.kiszka@web.de>, Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org
Subject: Re: [Qemu-devel] [PATCH] kvm: flush the dirty log when unregistering a slot
Date: Sun, 15 Jan 2012 15:40:10 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.2.02.1201151529510.22278@bbs.intern> (raw)
In-Reply-To: <4F12E232.5090809@web.de>
On Sun, 15 Jan 2012, Jan Kiszka wrote:
> On 2012-01-15 15:17, Avi Kivity wrote:
>> Otherwise, the dirty log information is lost in the kernel forever.
>>
>> Fixes opensuse-12.1 boot screen, which changes the vga windows rapidly.
>
> Confirmed, problems solved here.
Problem from: http://permalink.gmane.org/gmane.comp.emulators.qemu/131853
Confirmed to be fixed, too. Long awaited patch :-)
BTW: There is also a major difference in video performance:
1.) With Patch: 1400MB/s (MByte/s)
2.) Without Patch: 6MB/s
Any reason for that?
Ciao,
Gerhard
--
http://www.wiesinger.com/
next prev parent reply other threads:[~2012-01-15 14:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-15 14:17 [Qemu-devel] [PATCH] kvm: flush the dirty log when unregistering a slot Avi Kivity
2012-01-15 14:26 ` Jan Kiszka
2012-01-15 14:40 ` Gerhard Wiesinger [this message]
2012-01-15 17:01 ` Avi Kivity
2012-01-25 20:15 ` Gerhard Wiesinger
2012-01-26 12:29 ` Avi Kivity
2012-01-27 6:50 ` Gerhard Wiesinger
2012-01-29 10:15 ` Avi Kivity
2012-01-17 11:25 ` Marcelo Tosatti
2012-01-17 12:28 ` Jan Kiszka
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