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-rw-r--r--arch/ppc64/mm/slb_low.S22
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/ppc64/mm/slb_low.S b/arch/ppc64/mm/slb_low.S
index bab255889c5821..698d6b9ed6d195 100644
--- a/arch/ppc64/mm/slb_low.S
+++ b/arch/ppc64/mm/slb_low.S
@@ -97,25 +97,21 @@ BEGIN_FTR_SECTION
lhz r9,PACAHIGHHTLBAREAS(r13)
srdi r11,r3,(HTLB_AREA_SHIFT-SID_SHIFT)
srd r9,r9,r11
- andi. r9,r9,1
- bne 5f
+ lhz r11,PACALOWHTLBAREAS(r13)
+ srd r11,r11,r3
+ or r9,r9,r11
+END_FTR_SECTION_IFSET(CPU_FTR_16M_PAGE)
+#endif /* CONFIG_HUGETLB_PAGE */
li r11,SLB_VSID_USER
- cmpldi r3,16
- bge 6f
-
- lhz r9,PACALOWHTLBAREAS(r13)
- srd r9,r9,r3
- andi. r9,r9,1
-
- beq 6f
-
-5: li r11,SLB_VSID_USER|SLB_VSID_L
+#ifdef CONFIG_HUGETLB_PAGE
+BEGIN_FTR_SECTION
+ rldimi r11,r9,8,55 /* shift masked bit into SLB_VSID_L */
END_FTR_SECTION_IFSET(CPU_FTR_16M_PAGE)
#endif /* CONFIG_HUGETLB_PAGE */
-6: ld r9,PACACONTEXTID(r13)
+ ld r9,PACACONTEXTID(r13)
rldimi r3,r9,USER_ESID_BITS,0
9: /* r3 = protovsid, r11 = flags, r10 = esid_data, cr7 = <>KERNELBASE */