This is a note to let you know that I've just added the patch titled
powerpc/tm: Turn interrupts hard off in tm_reclaim()
to the 3.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
powerpc-tm-turn-interrupts-hard-off-in-tm_reclaim.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c69e63b0f135fa51d6e1c38b5ac8a1def15ea3fa Mon Sep 17 00:00:00 2001
From: Michael Neuling <mikey@xxxxxxxxxxx>
Date: Wed, 2 Oct 2013 17:15:15 +1000
Subject: powerpc/tm: Turn interrupts hard off in tm_reclaim()
From: Michael Neuling <mikey@xxxxxxxxxxx>
commit c69e63b0f135fa51d6e1c38b5ac8a1def15ea3fa upstream.
We can't take IRQs in tm_reclaim as we might have a bogus r13 and r1.
This turns IRQs hard off in this function.
Signed-off-by: Michael Neuling <mikey@xxxxxxxxxxx>
Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/kernel/tm.S | 1 +
1 file changed, 1 insertion(+)
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -128,6 +128,7 @@ _GLOBAL(tm_reclaim)
mr r15, r14
ori r15, r15, MSR_FP
li r16, MSR_RI
+ ori r16, r16, MSR_EE /* IRQs hard off */
andc r15, r15, r16
oris r15, r15, MSR_VEC@h
#ifdef CONFIG_VSX
Patches currently in stable-queue which might be from mikey@xxxxxxxxxxx are
queue-3.11/powerpc-tm-switch-out-userspace-ppr-and-dscr-sooner.patch
queue-3.11/powerpc-tm-turn-interrupts-hard-off-in-tm_reclaim.patch
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