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-rw-r--r--arch/ia64/kernel/time.c4
-rw-r--r--arch/powerpc/kernel/time.c5
-rw-r--r--arch/s390/kernel/time.c3
-rw-r--r--arch/x86/kernel/vsyscall_64.c5
-rw-r--r--include/linux/clocksource.h6
-rw-r--r--kernel/time/timekeeping.c6
6 files changed, 17 insertions, 12 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 4990495d7531..a35c661e5e89 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -473,7 +473,7 @@ void update_vsyscall_tz(void)
473{ 473{
474} 474}
475 475
476void update_vsyscall(struct timespec *wall, struct clocksource *c) 476void update_vsyscall(struct timespec *wall, struct clocksource *c, u32 mult)
477{ 477{
478 unsigned long flags; 478 unsigned long flags;
479 479
@@ -481,7 +481,7 @@ void update_vsyscall(struct timespec *wall, struct clocksource *c)
481 481
482 /* copy fsyscall clock data */ 482 /* copy fsyscall clock data */
483 fsyscall_gtod_data.clk_mask = c->mask; 483 fsyscall_gtod_data.clk_mask = c->mask;
484 fsyscall_gtod_data.clk_mult = c->mult; 484 fsyscall_gtod_data.clk_mult = mult;
485 fsyscall_gtod_data.clk_shift = c->shift; 485 fsyscall_gtod_data.clk_shift = c->shift;
486 fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio; 486 fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio;
487 fsyscall_gtod_data.clk_cycle_last = c->cycle_last; 487 fsyscall_gtod_data.clk_cycle_last = c->cycle_last;
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index a136a11c490d..39713312fbc7 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -828,7 +828,8 @@ static cycle_t timebase_read(struct clocksource *cs)
828 return (cycle_t)get_tb(); 828 return (cycle_t)get_tb();
829} 829}
830 830
831void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) 831void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
832 u32 mult)
832{ 833{
833 u64 t2x, stamp_xsec; 834 u64 t2x, stamp_xsec;
834 835
@@ -841,7 +842,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
841 842
842 /* XXX this assumes clock->shift == 22 */ 843 /* XXX this assumes clock->shift == 22 */
843 /* 4611686018 ~= 2^(20+64-22) / 1e9 */ 844 /* 4611686018 ~= 2^(20+64-22) / 1e9 */
844 t2x = (u64) clock->mult * 4611686018ULL; 845 t2x = (u64) mult * 4611686018ULL;
845 stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC; 846 stamp_xsec = (u64) xtime.tv_nsec * XSEC_PER_SEC;
846 do_div(stamp_xsec, 1000000000); 847 do_div(stamp_xsec, 1000000000);
847 stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC; 848 stamp_xsec += (u64) xtime.tv_sec * XSEC_PER_SEC;
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 34162a0b2caa..68e1ecf5ebab 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -214,7 +214,8 @@ struct clocksource * __init clocksource_default_clock(void)
214 return &clocksource_tod; 214 return &clocksource_tod;
215} 215}
216 216
217void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) 217void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
218 u32 mult)
218{ 219{
219 if (clock != &clocksource_tod) 220 if (clock != &clocksource_tod)
220 return; 221 return;
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 8cb4974ff599..62f39d79b775 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -73,7 +73,8 @@ void update_vsyscall_tz(void)
73 write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags); 73 write_sequnlock_irqrestore(&vsyscall_gtod_data.lock, flags);
74} 74}
75 75
76void update_vsyscall(struct timespec *wall_time, struct clocksource *clock) 76void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
77 u32 mult)
77{ 78{
78 unsigned long flags; 79 unsigned long flags;
79 80
@@ -82,7 +83,7 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
82 vsyscall_gtod_data.clock.vread = clock->vread; 83 vsyscall_gtod_data.clock.vread = clock->vread;
83 vsyscall_gtod_data.clock.cycle_last = clock->cycle_last; 84 vsyscall_gtod_data.clock.cycle_last = clock->cycle_last;
84 vsyscall_gtod_data.clock.mask = clock->mask; 85 vsyscall_gtod_data.clock.mask = clock->mask;
85 vsyscall_gtod_data.clock.mult = clock->mult; 86 vsyscall_gtod_data.clock.mult = mult;
86 vsyscall_gtod_data.clock.shift = clock->shift; 87 vsyscall_gtod_data.clock.shift = clock->shift;
87 vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec; 88 vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec;
88 vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; 89 vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec;
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 83d2fbd81b93..95e4995d9987 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -280,10 +280,12 @@ extern struct clocksource * __init __weak clocksource_default_clock(void);
280extern void clocksource_mark_unstable(struct clocksource *cs); 280extern void clocksource_mark_unstable(struct clocksource *cs);
281 281
282#ifdef CONFIG_GENERIC_TIME_VSYSCALL 282#ifdef CONFIG_GENERIC_TIME_VSYSCALL
283extern void update_vsyscall(struct timespec *ts, struct clocksource *c); 283extern void
284update_vsyscall(struct timespec *ts, struct clocksource *c, u32 mult);
284extern void update_vsyscall_tz(void); 285extern void update_vsyscall_tz(void);
285#else 286#else
286static inline void update_vsyscall(struct timespec *ts, struct clocksource *c) 287static inline void
288update_vsyscall(struct timespec *ts, struct clocksource *c, u32 mult)
287{ 289{
288} 290}
289 291
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index c3a4e2907eaa..2a6d3e3e2c3e 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -177,7 +177,7 @@ void timekeeping_leap_insert(int leapsecond)
177{ 177{
178 xtime.tv_sec += leapsecond; 178 xtime.tv_sec += leapsecond;
179 wall_to_monotonic.tv_sec -= leapsecond; 179 wall_to_monotonic.tv_sec -= leapsecond;
180 update_vsyscall(&xtime, timekeeper.clock); 180 update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult);
181} 181}
182 182
183#ifdef CONFIG_GENERIC_TIME 183#ifdef CONFIG_GENERIC_TIME
@@ -337,7 +337,7 @@ int do_settimeofday(struct timespec *tv)
337 timekeeper.ntp_error = 0; 337 timekeeper.ntp_error = 0;
338 ntp_clear(); 338 ntp_clear();
339 339
340 update_vsyscall(&xtime, timekeeper.clock); 340 update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult);
341 341
342 write_sequnlock_irqrestore(&xtime_lock, flags); 342 write_sequnlock_irqrestore(&xtime_lock, flags);
343 343
@@ -811,7 +811,7 @@ void update_wall_time(void)
811 update_xtime_cache(nsecs); 811 update_xtime_cache(nsecs);
812 812
813 /* check to see if there is a new clocksource to use */ 813 /* check to see if there is a new clocksource to use */
814 update_vsyscall(&xtime, timekeeper.clock); 814 update_vsyscall(&xtime, timekeeper.clock, timekeeper.mult);
815} 815}
816 816
817/** 817/**