KVM: add missing kvmtrace bits

This patch adds some kvmtrace bits to the generic x86 code
where it is instrumented from SVM.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 20 insertions, 5 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 45dc2b6a9c82..59084a3981c0 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2020,6 +2020,7 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
 
 int emulate_clts(struct kvm_vcpu *vcpu)
 {
+        KVMTRACE_0D(CLTS, vcpu, handler);
         kvm_x86_ops->set_cr0(vcpu, vcpu->arch.cr0 & ~X86_CR0_TS);
         return X86EMUL_CONTINUE;
 }
@@ -2600,27 +2601,41 @@ void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
 
 unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
 {
+        unsigned long value;
+
         kvm_x86_ops->decache_cr4_guest_bits(vcpu);
         switch (cr) {
         case 0:
-                return vcpu->arch.cr0;
+                value = vcpu->arch.cr0;
+                break;
         case 2:
-                return vcpu->arch.cr2;
+                value = vcpu->arch.cr2;
+                break;
         case 3:
-                return vcpu->arch.cr3;
+                value = vcpu->arch.cr3;
+                break;
         case 4:
-                return vcpu->arch.cr4;
+                value = vcpu->arch.cr4;
+                break;
         case 8:
-                return kvm_get_cr8(vcpu);
+                value = kvm_get_cr8(vcpu);
+                break;
         default:
                 vcpu_printf(vcpu, "%s: unexpected cr %u\n", __func__, cr);
                 return 0;
         }
+        KVMTRACE_3D(CR_READ, vcpu, (u32)cr, (u32)value,
+                    (u32)((u64)value >> 32), handler);
+
+        return value;
 }
 
 void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,
                      unsigned long *rflags)
 {
+        KVMTRACE_3D(CR_WRITE, vcpu, (u32)cr, (u32)val,
+                    (u32)((u64)val >> 32), handler);
+
         switch (cr) {
         case 0:
                 kvm_set_cr0(vcpu, mk_cr_64(vcpu->arch.cr0, val));