tree 25db313781596303562a1a316592ffb9ff96542b
parent fad7906d16e8c4926aeb5b0f1756eb9f55b2837d
author Andi Kleen <ak@suse.de> 1147709987 +0200
committer Linus Torvalds <torvalds@g5.osdl.org> 1147791572 -0700

[PATCH] x86_64: Don't schedule on exception stack on preemptive kernels

Extends an earlier patch from John Blackwood to more exception handlers
that also run on the exception stacks.

Expand the use of preempt_conditional_{sti,cli} to all cases where
interrupts are to be re-enabled during exception handling while running
on an IST stack.

Based on original patch from Jan Beulich.

Cc: John Blackwood <john.blackwood@ccur.com>
Cc: jbeulich@novell.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>