clts writes cr0.ts; lmsw writes cr0[0:15] - record that in ftrace.
Signed-off-by: Avi Kivity <a...@redhat.com>
---
arch/x86/kvm/vmx.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 2cc9b7e..f6d4298 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2987,6 +2987,7 @@ static int handle_cr(struct kvm_vcpu *vcpu)
vmx_fpu_deactivate(vcpu);
vcpu->arch.cr0 &= ~X86_CR0_TS;
vmcs_writel(CR0_READ_SHADOW, vcpu->arch.cr0);
+ trace_kvm_cr_write(0, vcpu->arch.cr0);
vmx_fpu_activate(vcpu);
skip_emulated_instruction(vcpu);
return 1;
@@ -3006,7 +3007,9 @@ static int handle_cr(struct kvm_vcpu *vcpu)
}
break;
case 3: /* lmsw */
- kvm_lmsw(vcpu, (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) &
0x0f);
+ val = (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f;
+ trace_kvm_cr_write(0, (vcpu->arch.cr0 & ~0xful) | val);
+ kvm_lmsw(vcpu, val);
skip_emulated_instruction(vcpu);
return 1;
--
1.6.5.3
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
