On Thu, 2013-04-18 at 13:33 +0800, Gavin Shan wrote:
The firmware should have supplied correct information for the kernel
to figure out the page size array, which is traced by mmu_psize_defs[].
Otherwise, the kernel will fail back to use solely 4KB page size
and copy mmu_psize_defaults_old[] over to mmu_psize_defs[]. However,
the tlbiel isn't enabled in mmu_psize_defaults_old[].
Did you actually find a problem here ? There is a reason we don't enable
tlbiel in there ... those old CPUs do not support it.
Ben.
Signed-off-by: Gavin Shan sha...@linux.vnet.ibm.com
---
arch/powerpc/mm/hash_utils_64.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 2d4a20c..8675ae5 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -130,7 +130,7 @@ static struct mmu_psize_def mmu_psize_defaults_old[] = {
.sllp = 0,
.penc = 0,
.avpnm = 0,
- .tlbiel = 0,
+ .tlbiel = 1,
},
};
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