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MIPS: Restore pagemask after dumping the TLB. 

Or bad things might happen if the last TLB entry isn't a basic size page.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2012-10-17 01:01:20 +02:00
parent 344afa6550
commit 01422ff491
1 changed files with 3 additions and 1 deletions
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4
arch/mips/lib/dump_tlb.c
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@ -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;
@ -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)