projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: fb5153d)
powerpc/tm: Remove unnecessary r1 save
authorMichael Neuling <mikey@neuling.org>
Fri, 28 Mar 2014 05:40:33 +0000 (16:40 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 28 Apr 2014 07:36:47 +0000 (17:36 +1000)
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>
arch/powerpc/kernel/tm.S patch | blob | blame | history

diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 03567c05950a3cf5ee465ef0d3a8e540ad5594a8..0535c7fdd12ca5775521b2394b396c5ad35367be 100644 (file)
--- 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 */