From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id C71B36007FA for ; Mon, 19 Jul 2010 11:31:18 -0400 (EDT) From: Gleb Natapov Subject: [PATCH v5 12/12] Send async PF when guest is not in userspace too. Date: Mon, 19 Jul 2010 18:31:02 +0300 Message-Id: <1279553462-7036-13-git-send-email-gleb@redhat.com> In-Reply-To: <1279553462-7036-1-git-send-email-gleb@redhat.com> References: <1279553462-7036-1-git-send-email-gleb@redhat.com> Sender: owner-linux-mm@kvack.org 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, cl@linux-foundation.org, mtosatti@redhat.com List-ID: If guest indicates that it can handle async pf in kernel mode too send it, but only if interrupt are enabled. Reviewed-by: Rik van Riel Signed-off-by: Gleb Natapov --- 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 12d1a7b..ed87b1c 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2361,7 +2361,13 @@ 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org