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Avoid tlbw* hazards for the R4600/R4700/R5000.
author
Maciej W. Rozycki
<macro@linux-mips.org>
Thu, 30 Jun 2005 10:51:01 +0000
(10:51 +0000)
committer
Ralf Baechle
<ralf@linux-mips.org>
Sat, 29 Oct 2005 18:31:34 +0000
(19:31 +0100)
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/mm/tlbex.c
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diff --git
a/arch/mips/mm/tlbex.c
b/arch/mips/mm/tlbex.c
index
19bf0cc
..
3b737fa
100644
(file)
--- a/
arch/mips/mm/tlbex.c
+++ b/
arch/mips/mm/tlbex.c
@@
-827,11
+827,16
@@
static __init void build_tlb_write_entry(u32 **p, struct label **l,
i_nop(p);
break;
- case CPU_R4300:
case CPU_R4600:
case CPU_R4700:
case CPU_R5000:
case CPU_R5000A:
+ i_nop(p);
+ tlbw(p);
+ i_nop(p);
+ break;
+
+ case CPU_R4300:
case CPU_5KC:
case CPU_TX49XX:
case CPU_AU1000: