[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 2/2 V7] qemu,qmp: add inject-nmi qmp command

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH 2/2 V7] qemu,qmp: add inject-nmi qmp command
Date: Thu, 07 Apr 2011 13:32:50 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8

On 04/07/2011 01:10 PM, Peter Maydell wrote:
On 6 April 2011 20:34, Anthony Liguori<address@hidden>  wrote:

If an OS is totally hosed (spinning with interrupts disabled), and NMI can
be used to generate a crash dump.

It's a debug feature and modelling it exactly the way we are probably makes
sense for other architectures too.  The real semantics are basically force
guest crash dump.
Ah, right. (There isn't really an equivalent to this on ARM since
we don't have a real NMI equivalent. So any implementation for ARM
qemu would be board dependent since you could wire a watchdog up to
any interrupt.)

Should we try to pick a command name that says what it's supposed to
do rather than how it happens to be implemented on x86 ?

Yup, I was thinking the same thing after I sent the note above. If we call it 'force-crash-dump', we can implement it as an NMI on target-i386 and potentially as something else on a different target.


Anthony Liguori

-- PMM

reply via email to

[Prev in Thread] Current Thread [Next in Thread]