From: Wen Congyang <wency@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm list <kvm@vger.kernel.org>,
qemu-devel <qemu-devel@nongnu.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Daniel P. Berrange" <berrange@redhat.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Gleb Natapov <gleb@redhat.com>
Subject: Re: [PATCH 0/2 v3] kvm: notify host when guest panicked
Date: Tue, 13 Mar 2012 14:44:41 +0800 [thread overview]
Message-ID: <4F5EECD9.8050508@cn.fujitsu.com> (raw)
In-Reply-To: <4F5DD0FD.9070904@redhat.com>
At 03/12/2012 06:33 PM, Avi Kivity Wrote:
> On 03/12/2012 11:04 AM, Wen Congyang wrote:
>> Do you have any other comments about this patch?
>>
>
> Not really, but I'm not 100% convinced the patch is worthwhile. It's
> likely to only be used by Linux, which has kexec facilities, and you can
> put talk to management via virtio-serial and describe the crash in more
> details than a simple hypercall.
Hmm, can we use virtio-serial to talk with not-linux OS? I guess the answer
is no. If so, virtio-serial is also used by linux.
Another problem is: virtio-serial is available on many deployed versions
but the guest must have virtio-serial device. So we cannot know the guest
is panicked if it does not have virtio-serial device while the hypercall does
not depend on any device.
Thanks
Wen Congyang
WARNING: multiple messages have this Message-ID (diff)
From: Wen Congyang <wency@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Gleb Natapov <gleb@redhat.com>, kvm list <kvm@vger.kernel.org>,
Jan Kiszka <jan.kiszka@siemens.com>,
qemu-devel <qemu-devel@nongnu.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [Qemu-devel] [PATCH 0/2 v3] kvm: notify host when guest panicked
Date: Tue, 13 Mar 2012 14:44:41 +0800 [thread overview]
Message-ID: <4F5EECD9.8050508@cn.fujitsu.com> (raw)
In-Reply-To: <4F5DD0FD.9070904@redhat.com>
At 03/12/2012 06:33 PM, Avi Kivity Wrote:
> On 03/12/2012 11:04 AM, Wen Congyang wrote:
>> Do you have any other comments about this patch?
>>
>
> Not really, but I'm not 100% convinced the patch is worthwhile. It's
> likely to only be used by Linux, which has kexec facilities, and you can
> put talk to management via virtio-serial and describe the crash in more
> details than a simple hypercall.
Hmm, can we use virtio-serial to talk with not-linux OS? I guess the answer
is no. If so, virtio-serial is also used by linux.
Another problem is: virtio-serial is available on many deployed versions
but the guest must have virtio-serial device. So we cannot know the guest
is panicked if it does not have virtio-serial device while the hypercall does
not depend on any device.
Thanks
Wen Congyang
next prev parent reply other threads:[~2012-03-13 6:44 UTC|newest]
Thread overview: 206+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-08 7:57 [PATCH 0/2 v3] kvm: notify host when guest panicked Wen Congyang
2012-03-08 7:57 ` [Qemu-devel] " Wen Congyang
2012-03-08 8:02 ` [PATCH 1/2 " Wen Congyang
2012-03-08 8:02 ` [Qemu-devel] " Wen Congyang
2012-03-08 8:04 ` [PATCH 2/2 v3] kvm: set exit_reason to KVM_EXIT_GUEST_PANICKED " Wen Congyang
2012-03-08 8:04 ` [Qemu-devel] " Wen Congyang
2012-03-08 8:06 ` [PATCH 1/2 v3] update linux-headers Wen Congyang
2012-03-08 8:06 ` [Qemu-devel] " Wen Congyang
2012-03-08 8:07 ` [PATCH 2/2 v3] deal with guest panicked event Wen Congyang
2012-03-08 8:07 ` [Qemu-devel] " Wen Congyang
2012-03-08 10:08 ` Jan Kiszka
2012-03-08 10:08 ` [Qemu-devel] " Jan Kiszka
2012-03-08 10:11 ` Wen Congyang
2012-03-08 10:11 ` [Qemu-devel] " Wen Congyang
2012-03-08 10:15 ` [RESEND][PATCH " Wen Congyang
2012-03-08 10:15 ` [Qemu-devel] " Wen Congyang
2012-03-08 11:28 ` Avi Kivity
2012-03-08 11:28 ` [Qemu-devel] " Avi Kivity
2012-03-08 11:36 ` Daniel P. Berrange
2012-03-08 11:36 ` [Qemu-devel] " Daniel P. Berrange
2012-03-08 11:52 ` Avi Kivity
2012-03-08 11:52 ` [Qemu-devel] " Avi Kivity
2012-03-08 11:56 ` Daniel P. Berrange
2012-03-08 11:56 ` [Qemu-devel] " Daniel P. Berrange
2012-03-08 11:56 ` Daniel P. Berrange
2012-03-09 22:22 ` Marcelo Tosatti
2012-03-09 22:22 ` [Qemu-devel] " Marcelo Tosatti
2012-03-21 19:01 ` Anthony Liguori
2012-03-21 19:01 ` Anthony Liguori
2012-03-12 1:46 ` Wen Congyang
2012-03-12 1:46 ` [Qemu-devel] " Wen Congyang
2012-03-12 1:46 ` Wen Congyang
2012-03-08 11:13 ` [PATCH 0/2 v3] kvm: notify host when guest panicked Avi Kivity
2012-03-08 11:13 ` [Qemu-devel] " Avi Kivity
2012-03-08 11:13 ` Avi Kivity
2012-03-09 1:21 ` Wen Congyang
2012-03-09 1:21 ` [Qemu-devel] " Wen Congyang
2012-03-09 1:21 ` Wen Congyang
2012-03-12 9:04 ` Wen Congyang
2012-03-12 9:04 ` [Qemu-devel] " Wen Congyang
2012-03-12 10:33 ` Avi Kivity
2012-03-12 10:33 ` [Qemu-devel] " Avi Kivity
2012-03-13 6:44 ` Wen Congyang [this message]
2012-03-13 6:44 ` Wen Congyang
2012-03-13 8:54 ` Avi Kivity
2012-03-13 8:54 ` [Qemu-devel] " Avi Kivity
2012-03-13 9:18 ` Daniel P. Berrange
2012-03-13 9:18 ` [Qemu-devel] " Daniel P. Berrange
2012-03-13 10:47 ` Avi Kivity
2012-03-13 10:47 ` [Qemu-devel] " Avi Kivity
2012-03-13 10:47 ` Avi Kivity
2012-03-14 8:29 ` Wen Congyang
2012-03-14 8:29 ` [Qemu-devel] " Wen Congyang
2012-03-14 8:29 ` Wen Congyang
2012-03-14 9:24 ` Avi Kivity
2012-03-14 9:24 ` [Qemu-devel] " Avi Kivity
2012-03-14 9:53 ` Wen Congyang
2012-03-14 9:53 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:07 ` Avi Kivity
2012-03-14 10:07 ` [Qemu-devel] " Avi Kivity
2012-03-14 10:26 ` Wen Congyang
2012-03-14 10:26 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:29 ` Avi Kivity
2012-03-14 10:29 ` [Qemu-devel] " Avi Kivity
2012-03-14 10:46 ` Gleb Natapov
2012-03-14 10:46 ` [Qemu-devel] " Gleb Natapov
2012-03-14 10:48 ` Avi Kivity
2012-03-14 10:48 ` [Qemu-devel] " Avi Kivity
2012-03-14 11:11 ` Wen Congyang
2012-03-14 11:11 ` [Qemu-devel] " Wen Congyang
2012-03-14 11:11 ` Wen Congyang
2012-03-14 13:07 ` Avi Kivity
2012-03-14 13:07 ` [Qemu-devel] " Avi Kivity
2012-03-14 13:13 ` Avi Kivity
2012-03-14 13:13 ` [Qemu-devel] " Avi Kivity
2012-03-14 13:14 ` Gleb Natapov
2012-03-14 13:14 ` [Qemu-devel] " Gleb Natapov
2012-03-14 13:16 ` Avi Kivity
2012-03-14 13:16 ` [Qemu-devel] " Avi Kivity
2012-03-14 13:25 ` Gleb Natapov
2012-03-14 13:25 ` [Qemu-devel] " Gleb Natapov
2012-03-14 18:46 ` Eric Northup
2012-03-14 18:46 ` [Qemu-devel] " Eric Northup
2012-03-15 7:01 ` Wen Congyang
2012-03-15 7:01 ` [Qemu-devel] " Wen Congyang
2012-03-15 7:01 ` Wen Congyang
2012-03-15 10:39 ` Gleb Natapov
2012-03-15 10:39 ` [Qemu-devel] " Gleb Natapov
2012-03-15 11:25 ` Jan Kiszka
2012-03-15 11:25 ` [Qemu-devel] " Jan Kiszka
2012-03-15 11:46 ` Avi Kivity
2012-03-15 11:46 ` [Qemu-devel] " Avi Kivity
2012-03-16 8:05 ` Wen Congyang
2012-03-16 8:05 ` [Qemu-devel] " Wen Congyang
2012-03-21 19:12 ` Anthony Liguori
2012-03-21 19:12 ` Anthony Liguori
2012-03-22 8:34 ` Wen Congyang
2012-03-22 8:34 ` Wen Congyang
2012-03-14 18:47 ` Eric Northup
2012-03-14 18:47 ` [Qemu-devel] " Eric Northup
2012-03-14 18:47 ` Eric Northup
2012-03-14 10:37 ` Amit Shah
2012-03-14 10:37 ` [Qemu-devel] " Amit Shah
2012-03-14 10:37 ` Amit Shah
2012-03-14 10:52 ` Wen Congyang
2012-03-14 10:52 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:52 ` Gleb Natapov
2012-03-14 10:52 ` [Qemu-devel] " Gleb Natapov
2012-03-14 10:57 ` Wen Congyang
2012-03-14 10:57 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:58 ` Gleb Natapov
2012-03-14 10:58 ` [Qemu-devel] " Gleb Natapov
2012-03-14 11:13 ` Wen Congyang
2012-03-14 11:13 ` [Qemu-devel] " Wen Congyang
2012-03-14 11:13 ` Wen Congyang
2012-03-14 10:52 ` Avi Kivity
2012-03-14 10:52 ` [Qemu-devel] " Avi Kivity
2012-03-14 10:58 ` Wen Congyang
2012-03-14 10:58 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:59 ` Daniel P. Berrange
2012-03-14 10:59 ` [Qemu-devel] " Daniel P. Berrange
2012-03-14 11:06 ` Wen Congyang
2012-03-14 11:06 ` [Qemu-devel] " Wen Congyang
2012-03-14 11:11 ` Gleb Natapov
2012-03-14 11:11 ` [Qemu-devel] " Gleb Natapov
2012-03-14 11:17 ` Daniel P. Berrange
2012-03-14 11:17 ` [Qemu-devel] " Daniel P. Berrange
2012-03-14 10:59 ` Gleb Natapov
2012-03-14 10:59 ` [Qemu-devel] " Gleb Natapov
2012-03-14 10:57 ` Amit Shah
2012-03-14 10:57 ` [Qemu-devel] " Amit Shah
2012-03-14 9:51 ` Amit Shah
2012-03-14 9:51 ` [Qemu-devel] " Amit Shah
2012-03-14 10:04 ` Wen Congyang
2012-03-14 10:04 ` [Qemu-devel] " Wen Congyang
2012-03-14 10:08 ` Avi Kivity
2012-03-14 10:08 ` [Qemu-devel] " Avi Kivity
2012-03-14 10:08 ` Avi Kivity
2012-03-14 10:40 ` Amit Shah
2012-03-14 10:40 ` [Qemu-devel] " Amit Shah
2012-03-14 10:42 ` Gleb Natapov
2012-03-14 10:42 ` [Qemu-devel] " Gleb Natapov
2012-03-14 10:57 ` Daniel P. Berrange
2012-03-14 10:57 ` [Qemu-devel] " Daniel P. Berrange
2012-03-14 10:57 ` Daniel P. Berrange
2012-03-14 11:01 ` Wen Congyang
2012-03-14 11:01 ` [Qemu-devel] " Wen Congyang
2012-03-14 11:01 ` Wen Congyang
2012-03-21 19:04 ` [Qemu-devel] " Anthony Liguori
2012-03-21 19:04 ` Anthony Liguori
2012-03-22 7:33 ` Gleb Natapov
2012-03-22 7:33 ` Gleb Natapov
2012-03-12 10:31 ` Avi Kivity
2012-03-12 10:31 ` [Qemu-devel] " Avi Kivity
2012-03-19 7:33 ` Wen Congyang
2012-03-19 7:33 ` [Qemu-devel] " Wen Congyang
2012-03-20 9:59 ` Wen Congyang
2012-03-20 9:59 ` [Qemu-devel] " Wen Congyang
2012-03-20 15:45 ` Gleb Natapov
2012-03-20 15:45 ` [Qemu-devel] " Gleb Natapov
2012-03-21 0:56 ` Wen Congyang
2012-03-21 0:56 ` [Qemu-devel] " Wen Congyang
2012-03-21 9:11 ` Gleb Natapov
2012-03-21 9:11 ` [Qemu-devel] " Gleb Natapov
2012-03-21 9:35 ` Wen Congyang
2012-03-21 9:35 ` [Qemu-devel] " Wen Congyang
2012-03-21 9:35 ` Wen Congyang
2012-03-21 9:42 ` Gleb Natapov
2012-03-21 9:42 ` [Qemu-devel] " Gleb Natapov
2012-03-21 16:18 ` Corey Minyard
2012-03-21 16:18 ` [Qemu-devel] " Corey Minyard
2012-03-21 16:24 ` Gleb Natapov
2012-03-21 16:24 ` [Qemu-devel] " Gleb Natapov
2012-03-21 16:24 ` Gleb Natapov
2012-03-21 16:25 ` Avi Kivity
2012-03-21 16:25 ` [Qemu-devel] " Avi Kivity
2012-03-21 17:04 ` Daniel P. Berrange
2012-03-21 17:04 ` [Qemu-devel] " Daniel P. Berrange
2012-03-21 17:34 ` Avi Kivity
2012-03-21 17:34 ` [Qemu-devel] " Avi Kivity
2012-03-21 18:17 ` Jan Kiszka
2012-03-21 18:17 ` [Qemu-devel] " Jan Kiszka
2012-03-21 18:17 ` Jan Kiszka
2012-03-21 19:19 ` [Qemu-devel] " Anthony Liguori
2012-03-21 19:19 ` Anthony Liguori
2012-03-22 1:05 ` Wen Congyang
2012-03-22 1:05 ` [Qemu-devel] " Wen Congyang
2012-03-22 1:05 ` Wen Congyang
2012-03-22 7:31 ` Gleb Natapov
2012-03-22 7:31 ` Gleb Natapov
2012-03-22 7:44 ` Wen Congyang
2012-03-22 7:44 ` Wen Congyang
2012-03-22 8:36 ` Gleb Natapov
2012-03-22 8:36 ` [Qemu-devel] " Gleb Natapov
2012-03-22 8:36 ` Gleb Natapov
2012-03-22 7:28 ` Gleb Natapov
2012-03-22 7:28 ` [Qemu-devel] " Gleb Natapov
2012-03-22 7:28 ` Gleb Natapov
2012-03-22 7:40 ` Wen Congyang
2012-03-22 7:40 ` Wen Congyang
2012-04-17 3:14 ` Wen Congyang
2012-04-02 10:05 ` Wen Congyang
2012-04-02 10:05 ` [Qemu-devel] " Wen Congyang
2012-04-02 10:54 ` Amit Shah
2012-04-02 10:54 ` [Qemu-devel] " Amit Shah
2012-04-02 10:54 ` Amit Shah
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4F5EECD9.8050508@cn.fujitsu.com \
--to=wency@cn.fujitsu.com \
--cc=avi@redhat.com \
--cc=berrange@redhat.com \
--cc=gleb@redhat.com \
--cc=jan.kiszka@siemens.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.