From: Andi Kleen <ak@suse.de>
Date: Mon, 15 May 2006 16:19:47 +0000 (+0200)
Subject: [PATCH] x86_64: Don't schedule on exception stack on preemptive kernels
X-Git-Tag: v2.6.17-rc5~113
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40e59a61669a3cab9e0bd24644e29155d6b00970;p=pandora-kernel.git

[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>
---

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