[PATCH 12/12] powerpc/8xx: Remove cpu dependent macro instructions from head_8xx

From: Christophe Leroy
Date: Tue Aug 08 2017 - 07:59:22 EST


head_8xx is dedicated to 8xx so no need to use macros that
depends on the CPU

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
---
arch/powerpc/kernel/head_8xx.S | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index a1c2a2cfec7e..471936704261 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -123,7 +123,6 @@ turn_on_mmu:
lis r0,start_here@h
ori r0,r0,start_here@l
mtspr SPRN_SRR0,r0
- SYNC
rfi /* enables MMU */

/*
@@ -170,7 +169,7 @@ turn_on_mmu:
stw r1,0(r11); \
tovirt(r1,r11); /* set new kernel sp */ \
li r10,MSR_KERNEL & ~(MSR_IR|MSR_DR); /* can take exceptions */ \
- MTMSRD(r10); /* (except for mach check in rtas) */ \
+ mtmsr r10; \
stw r0,GPR0(r11); \
SAVE_4GPRS(3, r11); \
SAVE_2GPRS(7, r11)
@@ -915,10 +914,8 @@ start_here:
rfi
/* Load up the kernel context */
2:
- SYNC /* Force all PTE updates to finish */
tlbia /* Clear all TLB entries */
sync /* wait for tlbia/tlbie to finish */
- TLBSYNC /* ... on all CPUs */

/* set up the PTE pointers for the Abatron bdiGDB.
*/
--
2.13.3