kvm-unit-tests: minor: remove unused variable

Remove unused variable to get rid of compiler warning. And remove commented out code (it can always be restored from git logs).

Signed-off-by Eugene Korenevsky <[email protected]>

---
 x86/vmx_tests.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

x86/vmx_tests.c +3 -7

index 184fafc..0daaacf 100644
@@ -1439,12 +1439,10 @@ static int dbgctls_init(struct vmcs *vmcs)
 
 static void dbgctls_main(void)
 {
-	u64 dr7, debugctl;
+	u64 dr7;
 
 	asm volatile("mov %%dr7,%0" : "=r" (dr7));
-	debugctl = rdmsr(MSR_IA32_DEBUGCTLMSR);
-	/* Commented out: KVM does not support DEBUGCTL so far */
-	report("Load debug controls", dr7 == 0x404 /* && debugctl == 0x2 */);
+	report("Load debug controls", dr7 == 0x404);
 
 	dr7 = 0x408;
 	asm volatile("mov %0,%%dr7" : : "r" (dr7));

@@ -1463,9 +1461,7 @@ static void dbgctls_main(void)
 	vmcall();
 
 	asm volatile("mov %%dr7,%0" : "=r" (dr7));
-	debugctl = rdmsr(MSR_IA32_DEBUGCTLMSR);
-	/* Commented out: KVM does not support DEBUGCTL so far */
-	report("Guest=host debug controls", dr7 == 0x402 /* && debugctl == 0x1 */);
+	report("Guest=host debug controls", dr7 == 0x402);
 
 	dr7 = 0x408;
 	asm volatile("mov %0,%%dr7" : : "r" (dr7));