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authorMaciej W. Rozycki <macro@linux-mips.org>2005-06-30 10:51:01 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:34 +0100
commit2c93e12cfec8cc668d4a2a2c8576dedabb7c69c8 (patch)
tree9081ae8c3b5c87ecbc6f1d94c85516ca767e907a
parentc3455b0efc2b5b1bdc755602f77ce7f43725bf61 (diff)
Avoid tlbw* hazards for the R4600/R4700/R5000.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
-rw-r--r--arch/mips/mm/tlbex.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 19bf0cc4091..3b737fafb9b 100644
--- 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: