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KVM: x86: Add callback to let modules decide over some supported cpuid bits

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This patch adds the get_supported_cpuid callback to
kvm_x86_ops. It will be used in do_cpuid_ent to delegate the
decission about some supported cpuid bits to the
architecture modules.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Joerg Roedel
2010-04-22 12:33:11 +02:00
committed by Avi Kivity
parent 228070b1b3
commit d4330ef2fb
4 changed files with 17 additions and 0 deletions
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6
arch/x86/kvm/svm.c
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@@ -3152,6 +3152,10 @@ static void svm_cpuid_update(struct kvm_vcpu *vcpu)
{
}
static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
{
}
static const struct trace_print_flags svm_exit_reasons_str[] = {
{ SVM_EXIT_READ_CR0, "read_cr0" },
{ SVM_EXIT_READ_CR3, "read_cr3" },
@@ -3297,6 +3301,8 @@ static struct kvm_x86_ops svm_x86_ops = {
.cpuid_update = svm_cpuid_update,
.rdtscp_supported = svm_rdtscp_supported,
.set_supported_cpuid = svm_set_supported_cpuid,
};
static int __init svm_init(void)