From: Gleb Natapov <gleb@redhat.com>
To: Avi Kivity <avi.kivity@gmail.com>
Cc: "Zhang, Yang Z" <yang.z.zhang@intel.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"Zhang, Xiantao" <xiantao.zhang@intel.com>
Subject: Re: [PATCH v4 2/2] KVM: VMX: Add Posted Interrupt supporting
Date: Mon, 25 Feb 2013 21:01:02 +0200 [thread overview]
Message-ID: <20130225190102.GL21422@redhat.com> (raw)
In-Reply-To: <CAEbWaiqKPpaN8vZytOAkwBCb5obGAj-o3M-OM7YFrMbYV-6J-g@mail.gmail.com>
On Mon, Feb 25, 2013 at 08:56:07PM +0200, Avi Kivity wrote:
> On Mon, Feb 25, 2013 at 7:43 PM, Gleb Natapov <gleb@redhat.com> wrote:
> >
> >> > 3. Do not report KVM_IRQ_LINE_STATUS capability and move RTC to use EOI
> >> > notifiers for interrupt reinjection. This requires us to add interface
> >> > for reporting EOI to userspace. This is not in the scope of this
> >> > patchset. Cons: need to introduce new interface (and the one that will
> >> > not work on AMD BTW)
> >> >
> >> > Other ideas?
> >>
> >> 1. inject RTC interrupt
> >> 2. not see EOI
> >> 3. inject RTC interrupt
> >> 4. due to 2, report coalesced
> >>
> > That's the 3 in my list, no?
>
>
> No, this idea doesn't involve user interface changes. We still report
> through KVM_IRQ_LINE_STATUS or whatever it's called.
Interesting idea!
--
Gleb.
next prev parent reply other threads:[~2013-02-25 20:53 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-22 13:42 [PATCH v4 0/2] KVM: VMX: Add Posted Interrupt supporting Yang Zhang
2013-02-22 13:42 ` [PATCH v4 1/2] KVM: VMX: enable acknowledge interupt on vmexit Yang Zhang
2013-02-22 13:42 ` [PATCH v4 2/2] KVM: VMX: Add Posted Interrupt supporting Yang Zhang
2013-02-23 13:43 ` Marcelo Tosatti
2013-02-23 14:05 ` Zhang, Yang Z
2013-02-23 14:35 ` Gleb Natapov
2013-02-23 14:48 ` Marcelo Tosatti
2013-02-23 15:31 ` Gleb Natapov
2013-02-23 17:05 ` Marcelo Tosatti
2013-02-23 19:42 ` Gleb Natapov
2013-02-23 19:52 ` Marcelo Tosatti
2013-02-23 19:59 ` Gleb Natapov
2013-02-24 13:55 ` Zhang, Yang Z
2013-02-24 14:19 ` Gleb Natapov
2013-02-24 14:26 ` Zhang, Yang Z
2013-02-24 14:39 ` Gleb Natapov
2013-02-24 18:08 ` Marcelo Tosatti
2013-02-24 18:59 ` Avi Kivity
2013-02-25 8:42 ` Zhang, Yang Z
2013-02-25 11:01 ` Gleb Natapov
2013-02-25 11:04 ` Zhang, Yang Z
2013-02-25 11:07 ` Gleb Natapov
2013-02-25 11:13 ` Zhang, Yang Z
2013-02-25 12:49 ` Marcelo Tosatti
2013-02-25 12:52 ` Zhang, Yang Z
2013-02-25 13:34 ` Gleb Natapov
2013-02-25 14:00 ` Marcelo Tosatti
2013-02-25 14:17 ` Marcelo Tosatti
2013-02-25 17:40 ` Gleb Natapov
2013-02-25 22:29 ` Marcelo Tosatti
2013-02-25 16:50 ` Avi Kivity
2013-02-25 17:43 ` Gleb Natapov
2013-02-25 18:56 ` Avi Kivity
2013-02-25 19:01 ` Gleb Natapov [this message]
2013-02-26 8:12 ` Gleb Natapov
2013-02-26 16:13 ` Avi Kivity
2013-02-24 17:44 ` Marcelo Tosatti
2013-02-25 7:24 ` Zhang, Yang Z
2013-02-23 14:44 ` Marcelo Tosatti
2013-02-23 15:16 ` Zhang, Yang Z
2013-02-23 16:50 ` Marcelo Tosatti
2013-02-24 13:17 ` Zhang, Yang Z
2013-02-24 17:39 ` Marcelo Tosatti
2013-02-25 6:55 ` Zhang, Yang Z
2013-02-25 13:01 ` Marcelo Tosatti
2013-02-25 14:32 ` Zhang, Yang Z
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