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| author | Juergen Gross <juergen.gross@ts.fujitsu.com> | 2013-08-22 11:28:28 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2013-08-22 11:28:28 +0200 |
| commit | fa20320edac4666c5214892db5cf216738ac02da (patch) | |
| tree | fe99cd1126a281c3dbffe1d1146b4ec589a7d07a | |
| parent | 0b2346aa05d4b427b5f421bd714e99b6679a66b2 (diff) | |
| download | xen-fa20320edac4666c5214892db5cf216738ac02da.tar.gz xen-fa20320edac4666c5214892db5cf216738ac02da.tar.bz2 xen-fa20320edac4666c5214892db5cf216738ac02da.zip | |
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 <juergen.gross@ts.fujitsu.com>
master commit: 69962e19ed432570f6cdcfdb5f6f22d6e3c54e6c
master date: 2013-08-22 11:24:00 +0200
| -rw-r--r-- | xen/arch/x86/hvm/vlapic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/xen/arch/x86/hvm/vlapic.c b/xen/arch/x86/hvm/vlapic.c index 7dea8fbc93..f3fdab9e67 100644 --- a/xen/arch/x86/hvm/vlapic.c +++ b/xen/arch/x86/hvm/vlapic.c @@ -856,6 +856,7 @@ 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; |