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authorStefan Agner <stefan@agner.ch>2017-03-14 13:59:28 -0700
committerMax Krummenacher <max.krummenacher@toradex.com>2017-03-15 18:35:51 +0100
commit39ac0033f2345ce7b5d8ca4439192407dacb2355 (patch)
tree51dc588baa63d31bc406388885f62c1cae068fa3 /arch/powerpc/mm/slb_low.S
parent13f2767f31803754aa883f298737aff866f04628 (diff)
parentd9e0350d2575a20ee7783427da9bd6b6107eb983 (diff)
Merge tag 'v4.1.39' into toradex_vf_4.1-nexttoradex_vf_4.1
Linux 4.1.39
Diffstat (limited to 'arch/powerpc/mm/slb_low.S')
-rw-r--r--arch/powerpc/mm/slb_low.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index 736d18b3cefd..4c48b487698c 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -113,7 +113,12 @@ BEGIN_FTR_SECTION
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
b slb_finish_load_1T
-0:
+0: /*
+ * For userspace addresses, make sure this is region 0.
+ */
+ cmpdi r9, 0
+ bne 8f
+
/* when using slices, we extract the psize off the slice bitmaps
* and then we need to get the sllp encoding off the mmu_psize_defs
* array.