linux-kernel - Re: [PATCH 5/5] KVM: LAPIC: add APIC Timer periodic/oneshot mode VMX preemption timer support

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Message-ID: <20161020181033.GA6375@potion>
Date:   Thu, 20 Oct 2016 20:10:33 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        kvm <kvm@...r.kernel.org>, Paolo Bonzini <pbonzini@...hat.com>,
        Yunhong Jiang <yunhong.jiang@...el.com>,
        Wanpeng Li <wanpeng.li@...mail.com>
Subject: Re: [PATCH 5/5] KVM: LAPIC: add APIC Timer periodic/oneshot mode VMX
 preemption timer support

2016-10-20 06:57+0800, Wanpeng Li:
> 2016-10-20 3:28 GMT+08:00 Radim Krčmář <rkrcmar@...hat.com>:
>> I think it would be better to add a function to advance the periodic
>> timer and use it in kvm_lapic_expired_hv_timer() and in apic_timer_fn().
>>
>> The function can be simpler than set_target_expiration(), because it
>> just adds the period to an existing timer.  Periodic timer will also be
>> better then, because the period will not depend on KVM's latency when
>> rearming.
> 
> Good point, what's the function name do you like? How about
> advance_target_expiration()?

Sounds good, I'd just slap periodic somewhere,
advance_periodic_target_expiration()?