Messages in this thread Patch in this message | | | Date | Mon, 16 Apr 2012 16:28:21 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH 2/2] Register native mce handler as vMCE bounce back point |
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On Mon, Apr 16, 2012 at 01:07:35AM +0000, Liu, Jinsong wrote: > >From 76e40a60878ff72986fd8d92611400195ae0f997 Mon Sep 17 00:00:00 2001 > From: Liu, Jinsong <jinsong.liu@intel.com> > Date: Mon, 16 Apr 2012 00:16:58 +0800 > Subject: [PATCH 2/2] Register native mce handler as vMCE bounce back point > > When xen hyeprvisor inject vMCE to guest, use native mce handler to handle it
hypervisor
> > Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> > 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> > --- > arch/x86/xen/enlighten.c | 10 +++++++--- > 1 files changed, 7 insertions(+), 3 deletions(-) > > diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c > index 15628d4..346ba64 100644 > --- a/arch/x86/xen/enlighten.c > +++ b/arch/x86/xen/enlighten.c > @@ -614,8 +614,8 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val, > /* > * Look for known traps using IST, and substitute them > * appropriately. The debugger ones are the only ones we care > - * about. Xen will handle faults like double_fault and > - * machine_check, so we should never see them. Warn if > + * about. Xen will handle faults like double_fault, > + * so we should never see them. Warn if > * there's an unexpected IST-using fault handler. > */ > if (addr == (unsigned long)debug) > @@ -630,7 +630,11 @@ static int cvt_gate_to_trap(int vector, const gate_desc *val, > return 0; > #ifdef CONFIG_X86_MCE > } else if (addr == (unsigned long)machine_check) { > - return 0; > + /* > + * when xen hyeprvisor inject vMCE to guest, > + * use native mce handler to handle it > + */ > + ;
Can you just take the check out?
> #endif > } else { > /* Some other trap using IST? */ > -- > 1.7.1
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