Messages in this thread Patch in this message |  | | From | Nicolai Stange <> | Subject | [RFC v8 17/28] timer_list: print_tickdevice(): calculate ->min_delta_ns dynamically | Date | Sat, 19 Nov 2016 17:10:25 +0100 |
| |
print_tickdevice(), assembling the per-tick device sections in /proc/timer_list, is the last user of struct clock_event_device's ->min_delta_ns member.
In order to make this one fully obsolete while retaining userspace ABI, calculate the displayed value of 'min_delta_ns' on the fly from ->min_delta_ticks_adjusted.
Signed-off-by: Nicolai Stange <nicstange@gmail.com> --- kernel/time/timer_list.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index ba7d8b2..12a27cb 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -206,6 +206,9 @@ static void print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu) { struct clock_event_device *dev = td->evtdev; + u64 min_delta_ns; + + min_delta_ns = clockevent_delta2ns(dev->min_delta_ticks_adjusted, dev); SEQ_printf(m, "Tick Device: mode: %d\n", td->mode); if (cpu < 0) @@ -222,7 +225,7 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu) SEQ_printf(m, " max_delta_ns: %llu\n", (unsigned long long) dev->max_delta_ns); SEQ_printf(m, " min_delta_ns: %llu\n", - (unsigned long long) dev->min_delta_ns); + (unsigned long long) min_delta_ns); SEQ_printf(m, " mult: %u\n", dev->mult); SEQ_printf(m, " shift: %u\n", dev->shift); SEQ_printf(m, " mode: %d\n", clockevent_get_state(dev)); -- 2.10.2
|  |