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From: Luiz Capitulino <lcapitulino@redhat.com>
To: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: qemu-devel@nongnu.org, aliguori@us.ibm.com,
	Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org, Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH v3] qemu, qmp: convert do_inject_nmi() to QObject, QError
Date: Mon, 3 Jan 2011 11:46:52 -0200	[thread overview]
Message-ID: <20110103114652.23e49d02@doriath> (raw)
In-Reply-To: <4D0EF301.8040903@cn.fujitsu.com>

On Mon, 20 Dec 2010 14:09:05 +0800
Lai Jiangshan <laijs@cn.fujitsu.com> wrote:

> On 12/17/2010 11:25 PM, Avi Kivity wrote:
> > On 12/17/2010 01:22 PM, Luiz Capitulino wrote:
> >> >
> >> >  I think Avi's suggest is better, and I will use
> >> >  "inject-nmi" (without cpu-index argument) to send NMI to all cpus,
> >> >  like physical GUI. If some one want to send NMI to a set of cpus,
> >> >  he can use "inject-nmi" multiple times.
> >>
> >> His suggestion is to drop _all_ arguments, right Avi?
> > 
> > Yes.
> > 
> 
> We don't need to drop the cpu-index argument,
> the upstream tools(libvirt etc.) can just issue "inject-nmi"
> command without any argument when need.
> 
> Reasons to keep this argument
> 1) Useful for kernel developer or debuger sending NMI to a special CPU.

Ok.

> 2) Share the code with nmi of hmp version. Share the way how to
>    use these two commands.(hmp version and qmp version)

This is bad. As a general rule, we shouldn't tweak QMP interfaces with
the intention of sharing code with HMP or anything like that.

Anyway, I buy your first argument, although I'm not a kernel developer
so I'm just trusting your use case.

  reply	other threads:[~2011-01-03 13:47 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-15  9:49 [Qemu-devel] [PATCH v3] qemu, qmp: convert do_inject_nmi() to QObject, QError Lai Jiangshan
2010-12-15 10:49 ` Markus Armbruster
2010-12-15 17:14   ` Luiz Capitulino
2010-12-15 17:39     ` Markus Armbruster
2010-12-15 17:52       ` Luiz Capitulino
2010-12-15 17:09 ` [Qemu-devel] " Luiz Capitulino
2010-12-15 17:18   ` Avi Kivity
2010-12-15 17:26     ` Luiz Capitulino
2010-12-15 17:45       ` Markus Armbruster
2010-12-15 18:00         ` Luiz Capitulino
2010-12-16  9:03           ` Avi Kivity
2010-12-16 10:48             ` Luiz Capitulino
2010-12-16 10:51               ` Avi Kivity
2010-12-16 11:12                 ` Luiz Capitulino
2010-12-16 11:47               ` Markus Armbruster
2010-12-16 12:50                 ` Avi Kivity
2010-12-16 13:09                   ` Luiz Capitulino
2010-12-16 13:11                     ` Avi Kivity
2010-12-16 13:17                       ` Luiz Capitulino
2010-12-17  6:20                         ` Lai Jiangshan
2010-12-17 11:22                           ` Luiz Capitulino
2010-12-17 15:25                             ` Avi Kivity
2010-12-20  6:09                               ` Lai Jiangshan
2011-01-03 13:46                                 ` Luiz Capitulino [this message]
2010-12-16  9:42           ` Markus Armbruster

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