linux-kernel - Re: [PATCHv4 3/5] kvm: host side for eoi optimization

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Message-ID: <20120516213701.GD25397@amt.cnet>
Date:	Wed, 16 May 2012 18:37:01 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Gleb Natapov <gleb@...hat.com>, x86@...nel.org,
	kvm@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, Avi Kivity <avi@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv4 3/5] kvm: host side for eoi optimization

On Wed, May 16, 2012 at 10:07:58PM +0300, Michael S. Tsirkin wrote:
> > not be called in above scenario.
> 
> I think I see. So this shall fix it also makes code cleaner
> (no -2 hack). Right? kvm_apic_has_interrupt is called correct?

Yes, but its used by multiple callsites. Best to unify it (both setting
and clearing) in KVM_REQ_EVENT processing before guest entry.

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