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Message-Id: <1278433500-29884-13-git-send-email-gleb@redhat.com>
Date: Tue, 6 Jul 2010 19:25:00 +0300
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, cl@...ux-foundation.org,
mtosatti@...hat.com
Subject: [PATCH v4 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 | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 95a0a8b..297f399 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2280,7 +2280,13 @@ static bool can_do_async_pf(struct kvm_vcpu *vcpu)
if (!vcpu->arch.apf_data || kvm_event_needs_reinjection(vcpu))
return false;
- return !!kvm_x86_ops->get_cpl(vcpu);
+ if (vcpu->arch.apf_send_user_only)
+ return !!kvm_x86_ops->get_cpl(vcpu);
+
+ if (!kvm_x86_ops->interrupt_allowed(vcpu))
+ return false;
+
+ return true;
}
static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code,
--
1.7.1
--
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