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| author | Michael Neuling <mikey@neuling.org> | 2013-10-02 11:15:15 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-10-03 11:25:44 +0400 |
| commit | c69e63b0f135fa51d6e1c38b5ac8a1def15ea3fa (patch) | |
| tree | 730696fab3d684a2ffa290b9fbef2baa3ec74e65 | |
| parent | a53b27b3abeef406de92a2bb0ceb6fb4c3fb8fc4 (diff) | |
| download | linux-c69e63b0f135fa51d6e1c38b5ac8a1def15ea3fa.tar.xz | |
powerpc/tm: Turn interrupts hard off in tm_reclaim()
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>
Cc: <stable@vger.kernel.org> # 3.9+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/kernel/tm.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 7b60b9851469..8ece1908be1a 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -123,6 +123,7 @@ _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 |