diff options
| author | Mark Brown <broonie@kernel.org> | 2020-10-28 21:37:38 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-10-28 21:37:38 +0000 |
| commit | f59cddd8517ab880fb09bf1465b07b337e058b22 (patch) | |
| tree | b8ac2b4bd99f6b4860dd403bb39b2b7149ed06e0 /kernel/time/timer.c | |
| parent | 43c3e148830aae5469c411a2bf951d4fe7fcea29 (diff) | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
Merge tag 'v5.10-rc1' into regulator-5.10
Linux 5.10-rc1
Diffstat (limited to 'kernel/time/timer.c')
| -rw-r--r-- | kernel/time/timer.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c index a50364df1054..de37e33a868d 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -611,7 +611,7 @@ static void internal_add_timer(struct timer_base *base, struct timer_list *timer #ifdef CONFIG_DEBUG_OBJECTS_TIMERS -static struct debug_obj_descr timer_debug_descr; +static const struct debug_obj_descr timer_debug_descr; static void *timer_debug_hint(void *addr) { @@ -707,7 +707,7 @@ static bool timer_fixup_assert_init(void *addr, enum debug_obj_state state) } } -static struct debug_obj_descr timer_debug_descr = { +static const struct debug_obj_descr timer_debug_descr = { .name = "timer_list", .debug_hint = timer_debug_hint, .is_static_object = timer_is_static_object, @@ -794,6 +794,8 @@ static void do_init_timer(struct timer_list *timer, { timer->entry.pprev = NULL; timer->function = func; + if (WARN_ON_ONCE(flags & ~TIMER_INIT_FLAGS)) + flags &= TIMER_INIT_FLAGS; timer->flags = flags | raw_smp_processor_id(); lockdep_init_map(&timer->lockdep_map, name, key, 0); } @@ -1704,6 +1706,8 @@ void update_process_times(int user_tick) { struct task_struct *p = current; + PRANDOM_ADD_NOISE(jiffies, user_tick, p, 0); + /* Note: this timer irq context must be accounted for as well. */ account_process_tick(p, user_tick); run_local_timers(); @@ -1715,13 +1719,6 @@ void update_process_times(int user_tick) scheduler_tick(); if (IS_ENABLED(CONFIG_POSIX_TIMERS)) run_posix_cpu_timers(); - - /* The current CPU might make use of net randoms without receiving IRQs - * to renew them often enough. Let's update the net_rand_state from a - * non-constant value that's not affine to the number of calls to make - * sure it's updated when there's some activity (we don't care in idle). - */ - this_cpu_add(net_rand_state.s1, rol32(jiffies, 24) + user_tick); } /** |