From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hollis Blanchard Subject: [PATCH 1 of 2] Define and use CONFIG_KVM_HAS_PIO so that we don't need pio_data in kvm_arch_vcpu Date: Tue, 15 Jan 2008 15:59:45 -0600 Message-ID: <7fa5947a2da8c0c7424e.1200434385@basalt> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, kvm-ppc-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Avi Kivity Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org # HG changeset patch # User Hollis Blanchard # Date 1200434310 21600 # Node ID 7fa5947a2da8c0c7424ebdcfaebcae624d6cf015 # Parent ee0c227fe3f6632f4b1b5fde3f7e05c8ea0a4378 Signed-off-by: Hollis Blanchard Signed-off-by: Christian Ehrhardt --- 2 files changed, 7 insertions(+) arch/x86/kvm/Kconfig | 5 +++++ virt/kvm/kvm_main.c | 2 ++ diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -33,9 +33,13 @@ config KVM If unsure, say N. +config KVM_HAS_PIO + bool + config KVM_INTEL tristate "KVM for Intel processors support" depends on KVM + select KVM_HAS_PIO ---help--- Provides support for KVM on Intel processors equipped with the VT extensions. @@ -43,6 +47,7 @@ config KVM_AMD config KVM_AMD tristate "KVM for AMD processors support" depends on KVM + select KVM_HAS_PIO ---help--- Provides support for KVM on AMD processors equipped with the AMD-V (SVM) extensions. diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -677,8 +677,10 @@ static int kvm_vcpu_fault(struct vm_area if (vmf->pgoff == 0) page = virt_to_page(vcpu->run); +#ifdef CONFIG_KVM_HAS_PIO else if (vmf->pgoff == KVM_PIO_PAGE_OFFSET) page = virt_to_page(vcpu->arch.pio_data); +#endif /* CONFIG_KVM_HAS_PIO */ else return VM_FAULT_SIGBUS; get_page(page); ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/