From: Gleb Natapov <gleb@redhat.com>
To: kvm@vger.kernel.org
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, avi@redhat.com,
mingo@elte.hu, a.p.zijlstra@chello.nl, tglx@linutronix.de,
hpa@zytor.com, riel@redhat.com
Subject: [PATCH v2 12/12] Send async PF when guest is not in userspace too.
Date: Mon, 23 Nov 2009 16:06:07 +0200 [thread overview]
Message-ID: <1258985167-29178-13-git-send-email-gleb@redhat.com> (raw)
In-Reply-To: <1258985167-29178-1-git-send-email-gleb@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.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
prev parent reply other threads:[~2009-11-23 14:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-23 14:05 [PATCH v2 00/12] KVM: Add asynchronous page fault for PV guest Gleb Natapov
2009-11-23 14:05 ` [PATCH v2 01/12] Move kvm_smp_prepare_boot_cpu() from kvmclock.c to kvm.c Gleb Natapov
2009-11-23 14:05 ` [PATCH v2 02/12] Add PV MSR to enable asynchronous page faults delivery Gleb Natapov
2009-11-25 12:32 ` Avi Kivity
2009-11-23 14:05 ` [PATCH v2 03/12] Add async PF initialization to PV guest Gleb Natapov
2009-11-23 14:05 ` [PATCH v2 04/12] Add "handle page fault" PV helper Gleb Natapov
2009-11-23 15:32 ` Peter Zijlstra
2009-11-23 14:06 ` [PATCH v2 05/12] Handle asynchronous page fault in a PV guest Gleb Natapov
2009-11-25 12:45 ` Avi Kivity
2009-11-23 14:06 ` [PATCH v2 06/12] Export __get_user_pages_fast Gleb Natapov
2009-11-23 14:06 ` [PATCH v2 07/12] Add get_user_pages() variant that fails if major fault is required Gleb Natapov
2009-11-23 14:06 ` [PATCH v2 08/12] Inject asynchronous page fault into a guest if page is swapped out Gleb Natapov
2009-11-25 13:03 ` Avi Kivity
2009-11-23 14:06 ` [PATCH v2 09/12] Retry fault before vmentry Gleb Natapov
2009-11-25 13:09 ` Avi Kivity
2009-11-25 13:20 ` Gleb Natapov
2009-11-23 14:06 ` [PATCH v2 10/12] Maintain preemptability count even for !CONFIG_PREEMPT kernels Gleb Natapov
2009-11-23 15:34 ` Peter Zijlstra
2009-11-23 15:58 ` Gleb Natapov
2009-11-23 17:30 ` Christoph Lameter
2009-11-24 7:12 ` Gleb Natapov
2009-11-24 15:14 ` Christoph Lameter
2009-11-30 10:56 ` Gleb Natapov
2009-11-30 10:58 ` Gleb Natapov
2009-11-30 10:59 ` Peter Zijlstra
2009-11-30 11:01 ` Avi Kivity
2009-11-30 11:05 ` Peter Zijlstra
2009-11-30 16:23 ` Christoph Lameter
2009-11-23 14:06 ` [PATCH v2 11/12] Handle async PF in non preemptable context Gleb Natapov
2009-11-23 14:06 ` Gleb Natapov [this message]
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