linux-kernel - [PATCH v2 12/12] Send async PF when guest is not in userspace too.

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Date:	Mon, 23 Nov 2009 16:06:07 +0200
From:	Gleb Natapov <gleb@...hat.com>
To:	kvm@...r.kernel.org
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org, avi@...hat.com,
	mingo@...e.hu, a.p.zijlstra@...llo.nl, tglx@...utronix.de,
	hpa@...or.com, riel@...hat.com
Subject: [PATCH v2 12/12] Send async PF when guest is not in userspace too.


Signed-off-by: Gleb Natapov <gleb@...hat.com>
---
 arch/x86/kvm/mmu.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 1225c31..a538d82 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2204,10 +2204,11 @@ int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr3, gva_t gva,
 
 static bool can_do_async_pf(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->arch.apf_data || kvm_event_needs_reinjection(vcpu))
+	if (!vcpu->arch.apf_data || kvm_event_needs_reinjection(vcpu) ||
+	    !kvm_x86_ops->interrupt_allowed(vcpu))
 		return false;
 
-	return !!kvm_x86_ops->get_cpl(vcpu);
+	return true;
 }
 
 static int tdp_page_fault(struct kvm_vcpu *vcpu, gpa_t cr3, gva_t gpa,
-- 
1.6.5

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