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>

diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 3f69725556afb3fc78d5ac3bab04be6176e28017..a99c1d3fc56769dc91f58ce64e117e0eb8533b44 100644 (file)
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -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)