Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 20/40] KVM: SVM: move feature detection to hardware setup code | Date | Mon, 31 Mar 2008 17:37:04 +0300 |
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From: Joerg Roedel <joerg.roedel@amd.com>
By moving the SVM feature detection from the each_cpu code to the hardware setup code it runs only once. As an additional advance the feature check is now available earlier in the module setup process.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com> --- arch/x86/kvm/svm.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ff3bc74..5f527dc 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -302,7 +302,6 @@ static void svm_hardware_enable(void *garbage) svm_data->asid_generation = 1; svm_data->max_asid = cpuid_ebx(SVM_CPUID_FUNC) - 1; svm_data->next_asid = svm_data->max_asid + 1; - svm_features = cpuid_edx(SVM_CPUID_FUNC); asm volatile ("sgdt %0" : "=m"(gdt_descr)); gdt = (struct desc_struct *)gdt_descr.address; @@ -411,6 +410,9 @@ static __init int svm_hardware_setup(void) if (r) goto err_2; } + + svm_features = cpuid_edx(SVM_CPUID_FUNC); + return 0; err_2: -- 1.5.4.5
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