microblaze: Save kernel mode in delay slot
This change save one instruction if kernel comes from kernel
space.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 8f6b4ee..0747e1d 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -282,9 +282,8 @@
tophys(r1,r1); \
addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */\
SAVE_REGS \
- swi r1, r1, PTO+PT_MODE; \
brid 2f; \
- nop; /* Fill delay slot */ \
+ swi r1, r1, PTO+PT_MODE; \
1: /* User-mode state save. */ \
lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */\
tophys(r1,r1); \