xen/mce: Register native mce handler as vMCE bounce back point
When Xen hypervisor inject vMCE to guest, use native mce handler to handle it Signed-off-by: Ke, Liping <liping.ke@intel.com> Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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@ -626,8 +626,8 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val,
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/*
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* Look for known traps using IST, and substitute them
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* appropriately. The debugger ones are the only ones we care
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* about. Xen will handle faults like double_fault and
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* machine_check, so we should never see them. Warn if
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* about. Xen will handle faults like double_fault,
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* so we should never see them. Warn if
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* there's an unexpected IST-using fault handler.
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*/
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if (addr == (unsigned long)debug)
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@ -642,7 +642,11 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val,
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return 0;
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#ifdef CONFIG_X86_MCE
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} else if (addr == (unsigned long)machine_check) {
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return 0;
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/*
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* when xen hypervisor inject vMCE to guest,
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* use native mce handler to handle it
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*/
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;
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#endif
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} else {
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/* Some other trap using IST? */
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