[PATCH 5/6] ARM: Don't set TLB ops broadcasting on UP ARMv7
Tony Lindgren
tony at atomide.com
Mon Aug 30 17:03:28 EDT 2010
Don't set TLB ops broadcasting on UP ARMv7. Looks like these bits
are also different on A8 and A9.
Signed-off-by: Tony Lindgren <tony at atomide.com>
---
arch/arm/mm/proc-v7.S | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 07fc660..51a063d 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -191,7 +191,8 @@ __v7_setup:
UP(mov r0, #(1 << 6)) @ fake it for UP
tst r0, #(1 << 6) @ SMP/nAMP mode enabled?
orreq r0, r0, #(1 << 6) | (1 << 0) @ Enable SMP/nAMP mode and
- mcreq p15, 0, r0, c1, c0, 1 @ TLB ops broadcasting
+ SMP(mcreq p15, 0, r0, c1, c0, 1) @ TLB ops broadcasting
+ UP(nop) @ Don't enable on UP
#endif
adr r12, __v7_setup_stack @ the local stack
stmia r12, {r0-r5, r7, r9, r11, lr}
--
1.7.1
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