From: Avi Kivity <avi@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>
Cc: Glauber Costa <glommer@redhat.com>,
qemu-devel@nongnu.org, aliguori@us.ibm.com
Subject: [Qemu-devel] Re: [PATCH] RFC: use logging count for individual regions
Date: Tue, 28 Jul 2009 09:59:23 +0300 [thread overview]
Message-ID: <4A6EA1CB.2030604@redhat.com> (raw)
In-Reply-To: <4A6E9FCC.40909@web.de>
On 07/28/2009 09:50 AM, Jan Kiszka wrote:
>
>
>> Unlike the qemu dirty byte-map, the kvm dirty log can only service one
>> user. As we have multiple users (vga and migration), we need some way
>> to fix this impedance mismatch. I think refcounts are the easiest.
>>
>
> This case is already handled upstream. If we had more users, we would
> need refcounts.
>
If we turn off logging on migration failure, then we'd introduce a bug
in vga logging, no?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-07-28 6:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-24 20:40 [Qemu-devel] [PATCH] RFC: use logging count for individual regions Glauber Costa
2009-07-25 9:28 ` [Qemu-devel] " Jan Kiszka
2009-07-28 1:08 ` Glauber Costa
2009-07-28 6:36 ` Avi Kivity
2009-07-28 6:50 ` Jan Kiszka
2009-07-28 6:59 ` Avi Kivity [this message]
2009-07-28 7:01 ` Jan Kiszka
2009-07-28 6:48 ` Jan Kiszka
2009-07-27 13:17 ` Anthony Liguori
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