| Message ID | 1380184894-19862-1-git-send-email-haokexin@gmail.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Commit | 0edfdd10f57bd989f7c2bc31ce6f601bbee1b664 |
| Delegated to: | Benjamin Herrenschmidt |
| Headers | show |
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index c04cdf7..2fe620f 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -673,9 +673,7 @@ _GLOBAL(ret_from_except_lite) resume_kernel: /* check current_thread_info, _TIF_EMULATE_STACK_STORE */ - CURRENT_THREAD_INFO(r9, r1) - ld r8,TI_FLAGS(r9) - andis. r8,r8,_TIF_EMULATE_STACK_STORE@h + andis. r8,r4,_TIF_EMULATE_STACK_STORE@h beq+ 1f addi r8,r1,INT_FRAME_SIZE /* Get the kprobed function entry */
We already got the value of current_thread_info and ti_flags and store them into r9 and r4 respectively before jumping to resume_kernel. So there is no reason to reload them again. Signed-off-by: Kevin Hao <haokexin@gmail.com> --- arch/powerpc/kernel/entry_64.S | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)