linux-kernel - Re: [PATCH v3 1/3] KVM: Fix leak vCPU's VMCS value into other pCPU

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Message-ID: <c96d6707-87bd-1794-331e-6fa1a2d562f8@redhat.com>
Date:   Sat, 3 Aug 2019 08:41:26 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>, Sasha Levin <sashal@...nel.org>
Cc:     Wanpeng Li <wanpengli@...cent.com>,
        LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Marc Zyngier <Marc.Zyngier@....com>,
        "# v3 . 10+" <stable@...r.kernel.org>
Subject: Re: [PATCH v3 1/3] KVM: Fix leak vCPU's VMCS value into other pCPU

On 02/08/19 02:46, Wanpeng Li wrote:
> Thanks for reporting this, after more grep, it seems that just x86 and
> s390 enable async_pf in their Makefile. So I can move 'if
> (!list_empty_careful(&vcpu->async_pf.done))' checking to
> kvm_arch_dy_runnable()

No, wrap it with #ifdef CONFIG_KVM_ASYNC_PF instead.  Thanks!

Paolo