summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/ppc64/kernel/entry.S11
-rw-r--r--arch/ppc64/mm/hugetlbpage.c6
-rw-r--r--arch/ppc64/mm/slb.c4
3 files changed, 11 insertions, 10 deletions
diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S
index b61572eb2a7..bf99b4a92f2 100644
--- a/arch/ppc64/kernel/entry.S
+++ b/arch/ppc64/kernel/entry.S
@@ -400,15 +400,14 @@ BEGIN_FTR_SECTION
cmpd cr1,r6,r9 /* or is new ESID the same as current ESID? */
cror eq,4*cr1+eq,eq
beq 2f /* if yes, don't slbie it */
- oris r0,r6,0x0800 /* set C (class) bit */
/* Bolt in the new stack SLB entry */
ld r7,KSP_VSID(r4) /* Get new stack's VSID */
- oris r6,r6,(SLB_ESID_V)@h
- ori r6,r6,(SLB_NUM_BOLTED-1)@l
- slbie r0
- slbie r0 /* Workaround POWER5 < DD2.1 issue */
- slbmte r7,r6
+ oris r0,r6,(SLB_ESID_V)@h
+ ori r0,r0,(SLB_NUM_BOLTED-1)@l
+ slbie r6
+ slbie r6 /* Workaround POWER5 < DD2.1 issue */
+ slbmte r7,r0
isync
2:
diff --git a/arch/ppc64/mm/hugetlbpage.c b/arch/ppc64/mm/hugetlbpage.c
index e7833c80eb6..338771ec70d 100644
--- a/arch/ppc64/mm/hugetlbpage.c
+++ b/arch/ppc64/mm/hugetlbpage.c
@@ -144,7 +144,8 @@ static void flush_low_segments(void *parm)
for (i = 0; i < NUM_LOW_AREAS; i++) {
if (! (areas & (1U << i)))
continue;
- asm volatile("slbie %0" : : "r" (i << SID_SHIFT));
+ asm volatile("slbie %0"
+ : : "r" ((i << SID_SHIFT) | SLBIE_C));
}
asm volatile("isync" : : : "memory");
@@ -164,7 +165,8 @@ static void flush_high_segments(void *parm)
continue;
for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++)
asm volatile("slbie %0"
- :: "r" ((i << HTLB_AREA_SHIFT) + (j << SID_SHIFT)));
+ :: "r" (((i << HTLB_AREA_SHIFT)
+ + (j << SID_SHIFT)) | SLBIE_C));
}
asm volatile("isync" : : : "memory");
diff --git a/arch/ppc64/mm/slb.c b/arch/ppc64/mm/slb.c
index 244150a0bc1..0473953f6a3 100644
--- a/arch/ppc64/mm/slb.c
+++ b/arch/ppc64/mm/slb.c
@@ -87,8 +87,8 @@ void switch_slb(struct task_struct *tsk, struct mm_struct *mm)
int i;
asm volatile("isync" : : : "memory");
for (i = 0; i < offset; i++) {
- esid_data = (unsigned long)get_paca()->slb_cache[i]
- << SID_SHIFT;
+ esid_data = ((unsigned long)get_paca()->slb_cache[i]
+ << SID_SHIFT) | SLBIE_C;
asm volatile("slbie %0" : : "r" (esid_data));
}
asm volatile("isync" : : : "memory");