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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
(cherry picked from commit
d4330ef2fb2236a1e3a176f0f68360f4c0a8661b)
u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
bool (*gb_page_enable)(void);
+ void (*set_supported_cpuid)(u32 func, struct kvm_cpuid_entry2 *entry);
+
const struct trace_print_flags *exit_reasons_str;
};
return 0;
}
+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" },
.exit_reasons_str = svm_exit_reasons_str,
.gb_page_enable = svm_gb_page_enable,
+ .set_supported_cpuid = svm_set_supported_cpuid,
};
static int __init svm_init(void)
return false;
}
+static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
+{
+}
+
static struct kvm_x86_ops vmx_x86_ops = {
.cpu_has_kvm_support = cpu_has_kvm_support,
.disabled_by_bios = vmx_disabled_by_bios,
.exit_reasons_str = vmx_exit_reasons_str,
.gb_page_enable = vmx_gb_page_enable,
+ .set_supported_cpuid = vmx_set_supported_cpuid,
};
static int __init vmx_init(void)
entry->ecx &= kvm_supported_word6_x86_features;
break;
}
+
+ kvm_x86_ops->set_supported_cpuid(function, entry);
+
put_cpu();
}