From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755940AbbCSPAZ (ORCPT ); Thu, 19 Mar 2015 11:00:25 -0400 Received: from mail-we0-f169.google.com ([74.125.82.169]:35916 "EHLO mail-we0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756047AbbCSO6o (ORCPT ); Thu, 19 Mar 2015 10:58:44 -0400 From: Eric Auger To: eric.auger@st.com, eric.auger@linaro.org, christoffer.dall@linaro.org, marc.zyngier@arm.com, linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, alex.williamson@redhat.com Cc: linux-kernel@vger.kernel.org, patches@linaro.org, pbonzini@redhat.com, kim.phillips@freescale.com, b.reynal@virtualopensystems.com, feng.wu@intel.com Subject: [RFC v5 10/13] kvm: introduce kvm_arch_halt_guest and kvm_arch_resume_guest Date: Thu, 19 Mar 2015 15:55:48 +0100 Message-Id: <1426776951-24901-11-git-send-email-eric.auger@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> References: <1426776951-24901-1-git-send-email-eric.auger@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This API allows to - exit the guest and avoid re-entering it - resume the guest execution Signed-off-by: Eric Auger --- include/linux/kvm_host.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index ae9c720..f4e1829 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1053,6 +1053,18 @@ extern struct kvm_device_ops kvm_xics_ops; extern struct kvm_device_ops kvm_arm_vgic_v2_ops; extern struct kvm_device_ops kvm_arm_vgic_v3_ops; +#ifdef __KVM_HAVE_ARCH_HALT_GUEST + +void kvm_arch_halt_guest(struct kvm *kvm); +void kvm_arch_resume_guest(struct kvm *kvm); + +#else + +inline void kvm_arch_halt_guest(struct kvm *kvm) {} +inline void kvm_arch_resume_guest(struct kvm *kvm) {} + +#endif + #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT static inline void kvm_vcpu_set_in_spin_loop(struct kvm_vcpu *vcpu, bool val) -- 1.9.1