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authorMichael Neuling <mikey@neuling.org>2014-03-28 16:40:33 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-04-28 17:36:47 +1000
commitce0ac1fc326b6a4116728be933ff46d75269baa1 (patch)
treeaef41bb6a74e5ae0934d3878040518b7a9c845a9 /arch/powerpc/kernel/tm.S
parentfb5153d05a7dd42b9bb9855985dd9a99a09fbd80 (diff)
powerpc/tm: Remove unnecessary r1 save
We save r1 to the scratch SPR and restore it from there after the trechkpt so saving r1 to the paca is not needed. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/tm.S')
-rw-r--r--arch/powerpc/kernel/tm.S2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 03567c05950a..0535c7fdd12c 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -320,8 +320,6 @@ _GLOBAL(__tm_recheckpoint)
*/
SAVE_NVGPRS(r1)
- std r1, PACAR1(r13)
-
/* Load complete register state from ts_ckpt* registers */
addi r7, r3, PT_CKPT_REGS /* Thread's ckpt_regs */