Commit-ID: 0e5ac3a8b100469ea154f87dd57b685fbdd356f6
Gitweb: http://git.kernel.org/tip/0e5ac3a8b100469ea154f87dd57b685fbdd356f6
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Wed, 16 Jul 2014 21:05:18 +0000
Committer: John Stultz <john.stultz@xxxxxxxxxx>
CommitDate: Wed, 23 Jul 2014 15:01:53 -0700
timekeeping: Use tk_read_base as argument for timekeeping_get_ns()
All the function needs is in the tk_read_base struct. No functional
change for the current code, just a preparatory patch for the NMI safe
accessor to clock monotonic which will use struct tk_read_base as well.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
kernel/time/timekeeping.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index ccb6998..dee23c9 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -173,19 +173,19 @@ u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
static inline u32 arch_gettimeoffset(void) { return 0; }
#endif
-static inline s64 timekeeping_get_ns(struct timekeeper *tk)
+static inline s64 timekeeping_get_ns(struct tk_read_base *tkr)
{
cycle_t cycle_now, delta;
s64 nsec;
/* read clocksource: */
- cycle_now = tk->tkr.read(tk->tkr.clock);
+ cycle_now = tkr->read(tkr->clock);
/* calculate the delta since the last update_wall_time: */
- delta = clocksource_delta(cycle_now, tk->tkr.cycle_last, tk->tkr.mask);
+ delta = clocksource_delta(cycle_now, tkr->cycle_last, tkr->mask);
- nsec = delta * tk->tkr.mult + tk->tkr.xtime_nsec;
- nsec >>= tk->tkr.shift;
+ nsec = delta * tkr->mult + tkr->xtime_nsec;
+ nsec >>= tkr->shift;
/* If arch requires, add in get_arch_timeoffset() */
return nsec + arch_gettimeoffset();
@@ -372,7 +372,7 @@ int __getnstimeofday64(struct timespec64 *ts)
seq = read_seqcount_begin(&tk_core.seq);
ts->tv_sec = tk->xtime_sec;
- nsecs = timekeeping_get_ns(tk);
+ nsecs = timekeeping_get_ns(&tk->tkr);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -413,7 +413,7 @@ ktime_t ktime_get(void)
do {
seq = read_seqcount_begin(&tk_core.seq);
base = tk->tkr.base_mono;
- nsecs = timekeeping_get_ns(tk);
+ nsecs = timekeeping_get_ns(&tk->tkr);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -439,7 +439,7 @@ ktime_t ktime_get_with_offset(enum tk_offsets offs)
do {
seq = read_seqcount_begin(&tk_core.seq);
base = ktime_add(tk->tkr.base_mono, *offset);
- nsecs = timekeeping_get_ns(tk);
+ nsecs = timekeeping_get_ns(&tk->tkr);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -509,7 +509,7 @@ void ktime_get_ts64(struct timespec64 *ts)
do {
seq = read_seqcount_begin(&tk_core.seq);
ts->tv_sec = tk->xtime_sec;
- nsec = timekeeping_get_ns(tk);
+ nsec = timekeeping_get_ns(&tk->tkr);
tomono = tk->wall_to_monotonic;
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -547,7 +547,7 @@ void getnstime_raw_and_real(struct timespec *ts_raw, struct timespec *ts_real)
ts_real->tv_nsec = 0;
nsecs_raw = timekeeping_get_ns_raw(tk);
- nsecs_real = timekeeping_get_ns(tk);
+ nsecs_real = timekeeping_get_ns(&tk->tkr);
} while (read_seqcount_retry(&tk_core.seq, seq));
@@ -1624,7 +1624,7 @@ ktime_t ktime_get_update_offsets_now(ktime_t *offs_real, ktime_t *offs_boot,
seq = read_seqcount_begin(&tk_core.seq);
base = tk->tkr.base_mono;
- nsecs = timekeeping_get_ns(tk);
+ nsecs = timekeeping_get_ns(&tk->tkr);
*offs_real = tk->offs_real;
*offs_boot = tk->offs_boot;
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|