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authorMichael Neuling <mikey@neuling.org>2013-10-02 17:15:15 +1000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-10-13 18:14:28 -0700
commitfb1c209733e25177b634f825848c78c998f54e30 (patch)
tree7fb0171f17487c3af1658512eb5bd7d026676622 /arch
parent39302163d7368f0960f30cf7d785eec2ccae1c26 (diff)
powerpc/tm: Turn interrupts hard off in tm_reclaim()
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@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/tm.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 875282f17f34..e3f8da3c00b9 100644
--- 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