summaryrefslogtreecommitdiff
path: root/kernel/time/posix-cpu-timers.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/time/posix-cpu-timers.c')
-rw-r--r--kernel/time/posix-cpu-timers.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index b13241756fdd..2c47ce6cab8c 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -1174,15 +1174,15 @@ void run_posix_cpu_timers(void)
* Set one of the process-wide special case CPU timers or RLIMIT_CPU.
* The tsk->sighand->siglock must be held by the caller.
*/
-void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
+void set_process_cpu_timer(struct task_struct *tsk, unsigned int clkid,
u64 *newval, u64 *oldval)
{
- u64 now;
+ u64 now, *expiry = tsk->signal->posix_cputimers.expiries + clkid;
- if (WARN_ON_ONCE(clock_idx >= CPUCLOCK_SCHED))
+ if (WARN_ON_ONCE(clkid >= CPUCLOCK_SCHED))
return;
- now = cpu_clock_sample_group(clock_idx, tsk, true);
+ now = cpu_clock_sample_group(clkid, tsk, true);
if (oldval) {
/*
@@ -1205,19 +1205,11 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
}
/*
- * Update expiration cache if we are the earliest timer, or eventually
- * RLIMIT_CPU limit is earlier than prof_exp cpu timer expire.
+ * Update expiration cache if this is the earliest timer. CPUCLOCK_PROF
+ * expiry cache is also used by RLIMIT_CPU!.
*/
- switch (clock_idx) {
- case CPUCLOCK_PROF:
- if (expires_gt(tsk->signal->posix_cputimers.cputime_expires.prof_exp, *newval))
- tsk->signal->posix_cputimers.cputime_expires.prof_exp = *newval;
- break;
- case CPUCLOCK_VIRT:
- if (expires_gt(tsk->signal->posix_cputimers.cputime_expires.virt_exp, *newval))
- tsk->signal->posix_cputimers.cputime_expires.virt_exp = *newval;
- break;
- }
+ if (expires_gt(*expiry, *newval))
+ *expiry = *newval;
tick_dep_set_signal(tsk->signal, TICK_DEP_BIT_POSIX_TIMER);
}