Re: [patch 12/45] posix-cpu-timers: Simplify posix_cpu_timer_set()

[Thomas Gleixner]

On Tue, Jun 27 2023 at 12:51, Frederic Weisbecker wrote:
> On Tue, Jun 06, 2023 at 04:37:37PM +0200, Thomas Gleixner wrote:
>> Avoid the late sighand lock/unlock dance when a timer is not armed to
>> enforce reevaluation of the timer base so that the process wide CPU timer
>> sampling can be disabled.
>> +	 * SIGEV_NONE timers are never armed. In case the timer is not
>> +	 * armed, enforce the reevaluation of the timer base so that the
>> +	 * process wide cputime counter can be disabled eventually.
>>  	 */
>>  	if (!sigev_none && new_expires && now < new_expires)
>>  		arm_timer(timer, p);
>> +	else
>> +		trigger_base_recalc_expires(timer, p);
>
> We don't need a recalc if sigev_none, right?

Correct.