summaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/vdso32/clock_gettime.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/vdso32/clock_gettime.S')
-rw-r--r--arch/s390/kernel/vdso32/clock_gettime.S31
1 files changed, 14 insertions, 17 deletions
diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S
index b2224e0b974c..65fc3979c2f1 100644
--- a/arch/s390/kernel/vdso32/clock_gettime.S
+++ b/arch/s390/kernel/vdso32/clock_gettime.S
@@ -38,25 +38,21 @@ __kernel_clock_gettime:
sl %r1,__VDSO_XTIME_STAMP+4(%r5)
brc 3,2f
ahi %r0,-1
-2: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */
+2: ms %r0,__VDSO_TK_MULT(%r5) /* * tk->mult */
lr %r2,%r0
- l %r0,__VDSO_NTP_MULT(%r5)
+ l %r0,__VDSO_TK_MULT(%r5)
ltr %r1,%r1
mr %r0,%r0
jnm 3f
- a %r0,__VDSO_NTP_MULT(%r5)
+ a %r0,__VDSO_TK_MULT(%r5)
3: alr %r0,%r2
- srdl %r0,12
- al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */
- al %r1,__VDSO_XTIME_NSEC+4(%r5)
- brc 12,4f
- ahi %r0,1
-4: l %r2,__VDSO_XTIME_SEC+4(%r5)
- al %r0,__VDSO_WTOM_NSEC(%r5) /* + wall_to_monotonic */
+ al %r0,__VDSO_WTOM_NSEC(%r5)
al %r1,__VDSO_WTOM_NSEC+4(%r5)
brc 12,5f
ahi %r0,1
-5: al %r2,__VDSO_WTOM_SEC+4(%r5)
+5: l %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */
+ srdl %r0,0(%r2) /* >> tk->shift */
+ l %r2,__VDSO_WTOM_SEC+4(%r5)
cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */
jne 1b
basr %r5,0
@@ -86,20 +82,21 @@ __kernel_clock_gettime:
sl %r1,__VDSO_XTIME_STAMP+4(%r5)
brc 3,12f
ahi %r0,-1
-12: ms %r0,__VDSO_NTP_MULT(%r5) /* cyc2ns(clock,cycle_delta) */
+12: ms %r0,__VDSO_TK_MULT(%r5) /* * tk->mult */
lr %r2,%r0
- l %r0,__VDSO_NTP_MULT(%r5)
+ l %r0,__VDSO_TK_MULT(%r5)
ltr %r1,%r1
mr %r0,%r0
jnm 13f
- a %r0,__VDSO_NTP_MULT(%r5)
+ a %r0,__VDSO_TK_MULT(%r5)
13: alr %r0,%r2
- srdl %r0,12
- al %r0,__VDSO_XTIME_NSEC(%r5) /* + xtime */
+ al %r0,__VDSO_XTIME_NSEC(%r5) /* + tk->xtime_nsec */
al %r1,__VDSO_XTIME_NSEC+4(%r5)
brc 12,14f
ahi %r0,1
-14: l %r2,__VDSO_XTIME_SEC+4(%r5)
+14: l %r2,__VDSO_TK_SHIFT(%r5) /* Timekeeper shift */
+ srdl %r0,0(%r2) /* >> tk->shift */
+ l %r2,__VDSO_XTIME_SEC+4(%r5)
cl %r4,__VDSO_UPD_COUNT+4(%r5) /* check update counter */
jne 11b
basr %r5,0