From: Peter Zijlstra <peterz@infradead.org>
To: Wanpeng Li <kernellwp@gmail.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Paolo Bonzini <pbonzini@redhat.com>,
Radim Kr??m???? <rkrcmar@redhat.com>,
Wanpeng Li <wanpeng.li@hotmail.com>
Subject: Re: [PATCH v3 4/4] KVM: Add flush_on_enter before guest enter
Date: Fri, 10 Nov 2017 11:07:20 +0100 [thread overview]
Message-ID: <20171110100720.hxqs44yjlrdbrip6@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <1510307387-14812-5-git-send-email-wanpeng.li@hotmail.com>
On Fri, Nov 10, 2017 at 01:49:47AM -0800, Wanpeng Li wrote:
> @@ -2116,7 +2122,13 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
> &vcpu->arch.st.steal, sizeof(struct kvm_steal_time))))
> return;
>
> + if (xchg(&vcpu->arch.st.steal.preempted, KVM_VCPU_NOT_PREEMPTED) ==
> + (KVM_VCPU_SHOULD_FLUSH | KVM_VCPU_PREEMPTED))
> + /*
> + * Do TLB_FLUSH before entering the guest, its passed
> + * the stage of request checking
> + */
> + kvm_vcpu_flush_tlb(vcpu, false);
>
Please add { } there.
next prev parent reply other threads:[~2017-11-10 10:07 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-10 9:49 [PATCH v3 0/4] KVM: Paravirt remote TLB flush Wanpeng Li
2017-11-10 9:49 ` [PATCH v3 1/4] KVM: Add vCPU running/preempted state Wanpeng Li
2017-11-10 9:49 ` [PATCH v3 2/4] KVM: Add paravirt remote TLB flush Wanpeng Li
2017-11-10 10:06 ` Peter Zijlstra
2017-11-10 9:49 ` [PATCH v3 3/4] KVM: X86: introduce invalidate_gpa argument to tlb flush Wanpeng Li
2017-11-10 9:49 ` [PATCH v3 4/4] KVM: Add flush_on_enter before guest enter Wanpeng Li
2017-11-10 10:07 ` Peter Zijlstra [this message]
2017-11-13 0:38 ` Wanpeng Li
2017-11-10 10:08 ` Peter Zijlstra
2017-11-10 10:15 ` Paolo Bonzini
2017-11-10 10:31 ` Peter Zijlstra
2017-11-10 16:49 ` Paolo Bonzini
2017-11-10 12:43 ` [PATCH v3 0/4] KVM: Paravirt remote TLB flush David Hildenbrand
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