Re: [PATCH 0/5 V5] Avoid soft lockup message when KVM is stoppedby host

[Avi Kivity]

On 12/14/2011 08:21 PM, Marcelo Tosatti wrote:
> On Wed, Dec 14, 2011 at 04:39:56PM +0200, Avi Kivity wrote:
> > On 12/14/2011 02:16 PM, Marcelo Tosatti wrote:
> > > > Having this controlled from userspace means it doesn't work for SIGSTOP
> > > > or for long scheduling delays.  What about doing this automatically
> > > > based on preempt notifiers?
> > >
> > > Long scheduling delays should be considered hangups from the guest
> > > perspective.
> > 
> > Why?  To the guest it looks like slow hardware, but it will interpret it
> > as a softlockup.
>
> Slow enough that progress of the watchdog thread is unable to keep up
> with timer interrupt processing. This is considered a hang and
> should be reported.

It's not a guest hang though!

-- 
error compiling committee.c: too many arguments to function

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