lkml.org 
[lkml]   [2012]   [Apr]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] Register native mce handler as vMCE bounce back point
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




\
 
 \ /
  Last update: 2012-04-16 22:39    [from the cache]
©2003-2011 Jasper Spaans