diff options
Diffstat (limited to 'arch/mips/lib/dump_tlb.c')
| -rw-r--r-- | arch/mips/lib/dump_tlb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c index f02cc554d720..995c393e3342 100644 --- a/arch/mips/lib/dump_tlb.c +++ b/arch/mips/lib/dump_tlb.c @@ -73,7 +73,15 @@ static void dump_tlb(int first, int last) */ if ((entryhi & ~0x1ffffUL) == CKSEG0) continue; - if ((entryhi & 0xff) != asid) + /* + * ASID takes effect in absence of G (global) bit. + * We check both G bits, even though architecturally they should + * match one another, because some revisions of the SB1 core may + * leave only a single G bit set after a machine check exception + * due to duplicate TLB entry. + */ + if (!((entrylo0 | entrylo1) & MIPS_ENTRYLO_G) && + (entryhi & 0xff) != asid) continue; /* |