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authorRalf Baechle <ralf@linux-mips.org>2008-01-29 05:14:54 -0500
committerRalf Baechle <ralf@linux-mips.org>2008-01-29 05:14:54 -0500
commit161548bf3529d53398adb3451cdc781cc324fc1d (patch)
tree47495cee5b14706a2228f1fc9cfa53813851d6aa /arch/mips/mm
parent6920df4025b426cb3c9756944a965fe9ccb30925 (diff)
[MIPS] tlbex: Cleanup handling of R2 hazards in TLB handlers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/tlbex.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index a61246d3533d..511107f92d9c 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -860,6 +860,12 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
860 case tlb_indexed: tlbw = i_tlbwi; break; 860 case tlb_indexed: tlbw = i_tlbwi; break;
861 } 861 }
862 862
863 if (cpu_has_mips_r2) {
864 i_ehb(p);
865 tlbw(p);
866 return;
867 }
868
863 switch (current_cpu_type()) { 869 switch (current_cpu_type()) {
864 case CPU_R4000PC: 870 case CPU_R4000PC:
865 case CPU_R4000SC: 871 case CPU_R4000SC:
@@ -935,14 +941,6 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
935 tlbw(p); 941 tlbw(p);
936 break; 942 break;
937 943
938 case CPU_4KEC:
939 case CPU_24K:
940 case CPU_34K:
941 case CPU_74K:
942 i_ehb(p);
943 tlbw(p);
944 break;
945
946 case CPU_RM9000: 944 case CPU_RM9000:
947 /* 945 /*
948 * When the JTLB is updated by tlbwi or tlbwr, a subsequent 946 * When the JTLB is updated by tlbwi or tlbwr, a subsequent