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From: Marcelo Tosatti <mtosatti@redhat.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>
Subject: Re: KVM: kvm_vcpu_block task state race
Date: Wed, 14 May 2008 02:21:07 -0300	[thread overview]
Message-ID: <20080514052107.GA11898@dmt> (raw)
In-Reply-To: <482701FE.2000707@qumranet.com>

On Sun, May 11, 2008 at 05:26:06PM +0300, Avi Kivity wrote:
> >So do you want to give wait_event_interruptible() a try or wait for that
> >change until userspace never issues vcpu ioctl's to a possibly busy vcpu
> >(and go with the patch above)?
> >  
> 
> Do we have anything critical that issues vcpu ioctls outside its 
> thread?  While I much prefer wait_event_interruptible(), I don't want to 
> break existing userspace.

Well debugging can be critical, so IMO better avoid wait_event_interruptible() 
for now.


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  reply	other threads:[~2008-05-14  5:21 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-08 22:47 KVM: kvm_vcpu_block task state race Marcelo Tosatti
2008-05-09  7:40 ` Avi Kivity
2008-05-09 14:21   ` Marcelo Tosatti
2008-05-09 15:09     ` Avi Kivity
2008-05-09 19:22       ` Marcelo Tosatti
2008-05-09 19:27         ` Marcelo Tosatti
2008-05-11 14:24           ` Avi Kivity
2008-05-11 14:26         ` Avi Kivity
2008-05-14  5:21           ` Marcelo Tosatti [this message]
2008-05-14  7:55             ` Avi Kivity

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