From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: [RFC -v4 PATCH 3/3] kvm: use yield_to instead of sleep in kvm_vcpu_on_spin
Date: Thu, 13 Jan 2011 17:23:01 +0200
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References: <20110113002108.3abdf953@annuminas.surriel.com> <20110113002745.51190252@annuminas.surriel.com> <4D2EFB44.2060906@redhat.com> <4D2F1510.3000809@redhat.com>
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Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Mike Galbraith <efault@gmx.de>,
	Chris Wright <chrisw@sous-sol.org>
To: Rik van Riel <riel@redhat.com>
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On 01/13/2011 05:06 PM, Rik van Riel wrote:
>
>> I think the first patch needs some reference counting... I'd move it to
>> the outermost KVM_RUN loop to reduce the performance impact.
>
> I don't see how refcounting from that other thread could
> possibly help, and I now see that the task_struct_cachep
> does not have SLAB_DESTROY_BY_LRU, either :(
>
> What do you have in mind here that would both work and
> be acceptable to you as KVM maintainer?
>

I think a 'struct pid' fits the bill here.


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