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Date: Mon, 19 Jul 2010 18:31:02 +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 v5 12/12] Send async PF when guest is not in userspace too. 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 <riel@...hat.com> 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 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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