From: Paolo Bonzini <pbonzini@redhat.com>
To: "Wanpeng Li" <kernellwp@gmail.com>, "Radim Krčmář" <rkrcmar@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
kvm <kvm@vger.kernel.org>,
Yunhong Jiang <yunhong.jiang@intel.com>,
Wanpeng Li <wanpeng.li@hotmail.com>
Subject: Re: [PATCH 6/5] KVM: x86: fix periodic lapic timer with hrtimers
Date: Wed, 26 Oct 2016 13:15:42 +0200 [thread overview]
Message-ID: <13aa20e8-2931-8817-1d07-7bda8f28fb19@redhat.com> (raw)
In-Reply-To: <CANRm+CwSd7urOU8Crs-jCifApCf8zeDBFqWVqjRNQAD3UgA9fA@mail.gmail.com>
On 26/10/2016 12:23, Wanpeng Li wrote:
>> >
>> > if (apic_lvtt_oneshot(apic) &&
>> > - ktime_after(apic->lapic_timer.target_expiration,
>> > - apic->lapic_timer.timer.base->get_time())) {
>> > + !ktime_after(apic->lapic_timer.target_expiration,
>> > + apic->lapic_timer.timer.base->get_time())) {
>> > apic_timer_expired(apic);
>> > return;
>> > }
>> >
>> > Paolo, can you squash that?
> It seems that squash is impossible since the dependency of current
> kvm/queue(KVM: x86: use ktime_get instead of seeking the
> hrtimer_clock_base), I will send out a separate patch to fix this.
It is squashed in:
+ if (apic_lvtt_oneshot(apic) &&
+ ktime_after(apic->lapic_timer.timer.base->get_time(),
+ apic->lapic_timer.target_expiration)) {
+ apic_timer_expired(apic);
+ return;
+ }
Notice that the order of the arguments is inverted (alternatively I
could have used ktime_before).
Paolo
next prev parent reply other threads:[~2016-10-26 11:18 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-24 10:23 [PATCH v3 0/5] KVM: LAPIC: Add APIC Timer periodic/oneshot mode VMX preemption timer support Wanpeng Li
2016-10-24 10:23 ` [PATCH v3 1/5] KVM: LAPIC: extract start_sw_period() to handle periodic/oneshot mode Wanpeng Li
2016-10-24 10:23 ` [PATCH v3 2/5] KVM: LAPIC: guarantee the timer is in tsc-deadline mode Wanpeng Li
2016-10-24 10:23 ` [PATCH v3 3/5] KVM: LAPIC: introduce kvm_get_lapic_target_expiration_tsc() Wanpeng Li
2016-10-24 10:23 ` [PATCH v3 4/5] KVM: LAPIC: rename start/cancel_hv_tscdeadline to start/cancel_hv_timer Wanpeng Li
2016-10-24 10:23 ` [PATCH v3 5/5] KVM: LAPIC: add APIC Timer periodic/oneshot mode VMX preemption timer support Wanpeng Li
2016-10-24 14:50 ` Radim Krčmář
2016-10-24 23:33 ` Wanpeng Li
2016-10-24 15:03 ` [PATCH 6/5] KVM: x86: fix periodic lapic timer with hrtimers Radim Krčmář
2016-10-24 15:09 ` Paolo Bonzini
2016-10-24 15:27 ` Radim Krčmář
2016-10-24 23:39 ` Wanpeng Li
2016-10-25 11:43 ` Radim Krčmář
2016-10-25 11:55 ` Paolo Bonzini
2016-10-26 6:02 ` Wanpeng Li
2016-10-26 6:08 ` Wanpeng Li
2016-10-26 14:01 ` Radim Krčmář
2016-10-27 2:33 ` Wanpeng Li
2016-10-26 13:32 ` Radim Krčmář
2016-10-27 2:11 ` Wanpeng Li
2016-10-26 10:23 ` Wanpeng Li
2016-10-26 11:15 ` Paolo Bonzini [this message]
2016-10-26 11:26 ` Wanpeng Li
[not found] ` <SG2PR02MB1550E0FF04F2614BE0E262BC80A80@SG2PR02MB1550.apcprd02.prod.outlook.com>
2016-10-25 13:03 ` Radim Krčmář
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