summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm
diff options
context:
space:
mode:
authorOliver O'Halloran <oohall@gmail.com>2017-03-31 12:37:48 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-04-12 22:47:27 +1000
commit70538eaa70c36340b4bb27206cad31839e916f40 (patch)
tree1c5343f2f5d8035cf79da45194f5174282260a79 /arch/powerpc/mm
parent9c355917fcf006af47ffaa5ae43a1a804764a6f6 (diff)
powerpc/mm: Fix missing _PAGE_NON_IDEMPOTENT in pgtable dump
On Book3s we have two PTE flags used to mark cache-inhibited mappings: _PAGE_TOLERANT and _PAGE_NON_IDEMPOTENT. Currently the kernel page table dumper only looks at the generic _PAGE_NO_CACHE which is defined to be _PAGE_TOLERANT. This patch modifies the dumper so both flags are shown in the dump. Fixes: 8eb07b187000 ("powerpc/mm: Dump linux pagetables") Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
-rw-r--r--arch/powerpc/mm/dump_linuxpagetables.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c
index 49abaf4dc8e3..e7cbfd5a0940 100644
--- a/arch/powerpc/mm/dump_linuxpagetables.c
+++ b/arch/powerpc/mm/dump_linuxpagetables.c
@@ -154,11 +154,24 @@ static const struct flag_info flag_array[] = {
.clear = " ",
}, {
#endif
+#ifndef CONFIG_PPC_BOOK3S_64
.mask = _PAGE_NO_CACHE,
.val = _PAGE_NO_CACHE,
.set = "no cache",
.clear = " ",
}, {
+#else
+ .mask = _PAGE_NON_IDEMPOTENT,
+ .val = _PAGE_NON_IDEMPOTENT,
+ .set = "non-idempotent",
+ .clear = " ",
+ }, {
+ .mask = _PAGE_TOLERANT,
+ .val = _PAGE_TOLERANT,
+ .set = "tolerant",
+ .clear = " ",
+ }, {
+#endif
#ifdef CONFIG_PPC_BOOK3S_64
.mask = H_PAGE_BUSY,
.val = H_PAGE_BUSY,