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3 Commits (813409771731d80e6fa94199adf99f2269a4afc0)

Author SHA1 Message Date
Andi Kleen 8f4e956b31 x86: Stop MCEs and NMIs during code patching 
When a machine check or NMI occurs while multiple byte code is patched
the CPU could theoretically see an inconsistent instruction and crash.
Prevent this by temporarily disabling MCEs and returning early in the
NMI handler.

Based on discussion with Mathieu Desnoyers.

Cc: Mathieu Desnoyers <compudj@krystal.dyndns.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2007-07-22 11:03:37 -07:00
Rusty Russell 105fddb862 [PATCH] i386: Move mce_disabled to asm/mce.h 
Allows external actors to disable mce.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>

===================================================================
 2007-02-13 13:26:26 +01:00
Alexey Dobriyan a03a3e287b [PATCH] Don't trigger full rebuild via CONFIG_X86_MCE 
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 2006-06-23 07:42:56 -07:00