From 344f414fa0f16254dd07195d4cd11b2f92931d3d Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Mon, 27 Jul 2009 16:30:48 +0200 Subject: KVM: report 1GB page support to userspace If userspace knows that the kernel part supports 1GB pages it can enable the corresponding cpuid bit so that guests actually use GB pages. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/x86/kvm/svm.c') diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 92fc0dab505d..10e718db990b 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2754,6 +2754,11 @@ static const struct trace_print_flags svm_exit_reasons_str[] = { { -1, NULL } }; +static bool svm_gb_page_enable(void) +{ + return true; +} + static struct kvm_x86_ops svm_x86_ops = { .cpu_has_kvm_support = has_svm, .disabled_by_bios = is_disabled, @@ -2817,6 +2822,7 @@ static struct kvm_x86_ops svm_x86_ops = { .get_mt_mask = svm_get_mt_mask, .exit_reasons_str = svm_exit_reasons_str, + .gb_page_enable = svm_gb_page_enable, }; static int __init svm_init(void) -- cgit v1.2.3