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From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, Luiz Capitulino <lcapitulino@redhat.com>,
	Rik van Riel <riel@redhat.com>, Radim Krcmar <rkrcmar@redhat.com>
Subject: Re: [patch 2/3] KVM: x86: add option to advance tscdeadline hrtimer expiration
Date: Tue, 16 Dec 2014 16:18:16 +0100	[thread overview]
Message-ID: <54904D38.4080400@redhat.com> (raw)
In-Reply-To: <20141216151355.GC32479@amt.cnet>



On 16/12/2014 16:13, Marcelo Tosatti wrote:
>> > So perhaps you can get rid of patch 1 and check
>> > kvm_apic_vid_enabled(vcpu->kvm):
>> > 
>> > 	if (k_a_v_e(vcpu->kvm)
>> > 		return true;
>> > 	if (apic_test_vector(vec, apic->regs + APIC_ISR))
>> > 		return true;
>> > 
>> > Does this sound correct?
> * expired_tscdeadline != 0.
> * APIC timer interrupt delivery masked at LVTT register.
> 
> Implies expired_tscdeadline != 0 and interrupt not injected.

Good point.

Paolo

  reply	other threads:[~2014-12-16 15:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-15 22:06 [patch 0/3] KVM: add option to advance tscdeadline hrtimer expiration (v4) Marcelo Tosatti
2014-12-15 22:06 ` [patch 1/3] KVM: x86: add method to test PIR bitmap vector Marcelo Tosatti
2014-12-15 22:06 ` [patch 2/3] KVM: x86: add option to advance tscdeadline hrtimer expiration Marcelo Tosatti
2014-12-16 14:34   ` Paolo Bonzini
2014-12-16 15:13     ` Marcelo Tosatti
2014-12-16 15:18       ` Paolo Bonzini [this message]
2014-12-15 22:06 ` [patch 3/3] KVM: x86: add tracepoint to wait_lapic_expire Marcelo Tosatti
2014-12-16  9:03   ` Paolo Bonzini
2014-12-16 12:15     ` Marcelo Tosatti
2014-12-16 12:19       ` Paolo Bonzini
  -- strict thread matches above, loose matches on Subject: below --
2014-12-16 14:08 [patch 0/3] KVM: add option to advance tscdeadline hrtimer expiration (v5) Marcelo Tosatti
2014-12-16 14:08 ` [patch 2/3] KVM: x86: add option to advance tscdeadline hrtimer expiration Marcelo Tosatti
2014-12-17 14:58   ` Radim Krcmar
2014-12-17 17:41     ` Marcelo Tosatti
2014-12-17 17:48       ` Paolo Bonzini
2014-12-17 19:36       ` Radim Krcmar
2014-12-18 12:24         ` Marcelo Tosatti
2014-12-23 13:18           ` Paolo Bonzini
2014-12-23 20:58 [patch 0/3] KVM: add option to advance tscdeadline hrtimer expiration (v6) Marcelo Tosatti
2014-12-23 20:58 ` [patch 2/3] KVM: x86: add option to advance tscdeadline hrtimer expiration Marcelo Tosatti
2015-01-05 18:12   ` Radim Krcmar
2015-01-05 18:20     ` Radim Krcmar
2015-01-08 17:41     ` Marcelo Tosatti
2015-01-08 21:44       ` Paolo Bonzini

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