xen/21360-x86-mce-polling-disabled-init.patch

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# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1273651780 -3600
# Node ID fa94385978e6317732e2c12000923ca6a5e0d2ed
# Parent 0079f76e906f378f81044da4e135df2fbb878fa5
mce: MCE polling logic should check mce_disabled during initialisation.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
--- a/xen/arch/x86/cpu/mcheck/non-fatal.c
+++ b/xen/arch/x86/cpu/mcheck/non-fatal.c
@@ -91,7 +91,7 @@ static int __init init_nonfatal_mce_chec
struct cpuinfo_x86 *c = &boot_cpu_data;
/* Check for MCE support */
- if (!mce_available(c))
+ if (mce_disabled || !mce_available(c))
return -ENODEV;
/*