From 687a29af0b348ec932173ea5fe5c38c361b9eeea Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Thu, 22 Aug 2013 11:32:00 +0200 Subject: Correct X2-APIC HVM emulation commit 6859874b61d5ddaf5289e72ed2b2157739b72ca5 ("x86/HVM: fix x2APIC APIC_ID read emulation") introduced an error for the hvm emulation of x2apic. Any try to write to APIC_ICR MSR will result in a GP fault. Signed-off-by: Juergen Gross master commit: 69962e19ed432570f6cdcfdb5f6f22d6e3c54e6c master date: 2013-08-22 11:24:00 +0200 --- xen/arch/x86/hvm/vlapic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/xen/arch/x86/hvm/vlapic.c b/xen/arch/x86/hvm/vlapic.c index 1ed0d43b68..f55407fdee 100644 --- a/xen/arch/x86/hvm/vlapic.c +++ b/xen/arch/x86/hvm/vlapic.c @@ -843,6 +843,7 @@ int hvm_x2apic_msr_write(struct vcpu *v, unsigned int msr, uint64_t msr_content) rc = vlapic_reg_write(v, APIC_ICR2, (uint32_t)(msr_content >> 32)); if ( rc ) return rc; + break; case APIC_ICR2: return X86EMUL_UNHANDLEABLE; -- cgit v1.2.3