linux-kernel - Re: [PATCH 2/2] KVM: x86: fix SMI to halted VCPU

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Message-ID: <20151013155545.GB6877@potion.brq.redhat.com>
Date:	Tue, 13 Oct 2015 17:55:45 +0200
From:	Radim Krčmář <rkrcmar@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
	lersek@...hat.com, stable@...r.kernel.org
Subject: Re: [PATCH 2/2] KVM: x86: fix SMI to halted VCPU

2015-10-13 12:34+0200, Paolo Bonzini:
> An SMI to a halted VCPU must wake it up, hence a VCPU with a pending
> SMI must be considered runnable.
> 
> Fixes: 64d6067057d9658acb8675afcfba549abdb7fc16
> Cc: stable@...r.kernel.org
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

Reviewed-by: Radim Krčmář <rkrcmar@...hat.com>

> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> @@ -7781,6 +7781,9 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
> +	if (test_bit(KVM_REQ_SMI, &vcpu->requests))

(Ah, and refactoring of this API is also on my new TODO.)
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