diff options
| author | Michael Neuling <mikey@neuling.org> | 2014-03-28 16:40:33 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-04-28 17:36:47 +1000 |
| commit | ce0ac1fc326b6a4116728be933ff46d75269baa1 (patch) | |
| tree | aef41bb6a74e5ae0934d3878040518b7a9c845a9 | |
| parent | fb5153d05a7dd42b9bb9855985dd9a99a09fbd80 (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>
| -rw-r--r-- | arch/powerpc/kernel/tm.S | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 03567c05950..0535c7fdd12 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 */ |