oops at boot - FIXED

oops at boot - FIXED

[Fix]

The following patch totally eliminate hang-ups for me.
Bye.
--- ./kernel/x86_emulate.c	2007-07-24 00:15:15.000000000 +0800
+++ ./kernel/x86_emulate.c	2007-07-12 18:25:33.000000000 +0800
@@ -1350,29 +1344,6 @@
 			goto cannot_emulate;
 		realmode_set_cr(ctxt->vcpu, modrm_reg, modrm_val, &_eflags);
 		break;
-	case 0x30:
-		/* wrmsr */
-		msr_data = (u32)_regs[VCPU_REGS_RAX]
-			| ((u64)_regs[VCPU_REGS_RDX] << 32);
-		rc = kvm_set_msr(ctxt->vcpu, _regs[VCPU_REGS_RCX], msr_data);
-		if (rc) {
-			kvm_arch_ops->inject_gp(ctxt->vcpu, 0);
-			_eip = ctxt->vcpu->rip;
-		}
-		rc = X86EMUL_CONTINUE;
-		break;
-	case 0x32:
-		/* rdmsr */
-		rc = kvm_get_msr(ctxt->vcpu, _regs[VCPU_REGS_RCX], &msr_data);
-		if (rc) {
-			kvm_arch_ops->inject_gp(ctxt->vcpu, 0);
-			_eip = ctxt->vcpu->rip;
-		} else {
-			_regs[VCPU_REGS_RAX] = (u32)msr_data;
-			_regs[VCPU_REGS_RDX] = msr_data >> 32;
-		}
-		rc = X86EMUL_CONTINUE;
-		break;
 	case 0xc7:		/* Grp9 (cmpxchg8b) */
 		{
 			u64 old, new;


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Re: oops at boot - FIXED

[Avi Kivity]

Fix wrote:
> The following patch totally eliminate hang-ups for me.
>   

It will also eliminate smp on Windows.  We need to find what's wrong there.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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