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MIPS: Restore pagemask after dumping the TLB.
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Or bad things might happen if the last TLB entry isn't a basic size page.

Signed-off-by: Ralf Baechle <[email protected]>
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ralfbaechle committed Oct 16, 2012
1 parent 344afa6 commit 01422ff
Showing 1 changed file with 3 additions and 1 deletion.
4 changes: 3 additions & 1 deletion arch/mips/lib/dump_tlb.c
Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,9 @@ static void dump_tlb(int first, int last)
{
unsigned long s_entryhi, entryhi, asid;
unsigned long long entrylo0, entrylo1;
unsigned int s_index, pagemask, c0, c1, i;
unsigned int s_index, s_pagemask, pagemask, c0, c1, i;

s_pagemask = read_c0_pagemask();
s_entryhi = read_c0_entryhi();
s_index = read_c0_index();
asid = s_entryhi & 0xff;
Expand Down Expand Up @@ -103,6 +104,7 @@ static void dump_tlb(int first, int last)

write_c0_entryhi(s_entryhi);
write_c0_index(s_index);
write_c0_pagemask(s_pagemask);
}

void dump_tlb_all(void)
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