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smp: Fix up and expand the smp_call_function_many() kerneldoc

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The smp_call_function_many() kerneldoc comment got out of sync with the
function definition (bool parameter "wait" is incorrectly described as a
bitmask in it), so fix it up by copying the "wait" description from the
smp_call_function() kerneldoc and add information regarding the handling
of the local CPU to it.

Fixes: 49b3bd213a ("smp: Fix all kernel-doc warnings")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Rafael J. Wysocki
2025-09-09 13:44:14 +02:00
committed by Thomas Gleixner
parent 8f5ae30d69
commit ccf09357ff
1 changed files with 5 additions and 6 deletions
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11
kernel/smp.c
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@@ -884,16 +884,15 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
* @mask: The set of cpus to run on (only runs on online subset).
* @func: The function to run. This must be fast and non-blocking.
* @info: An arbitrary pointer to pass to the function.
* @wait: Bitmask that controls the operation. If %SCF_WAIT is set, wait
* (atomically) until function has completed on other CPUs. If
* %SCF_RUN_LOCAL is set, the function will also be run locally
* if the local CPU is set in the @cpumask.
*
* If @wait is true, then returns once @func has returned.
* @wait: If true, wait (atomically) until function has completed
* on other CPUs.
*
* You must not call this function with disabled interrupts or from a
* hardware interrupt handler or from a bottom half handler. Preemption
* must be disabled when calling this function.
*
* @func is not called on the local CPU even if @mask contains it. Consider
* using on_each_cpu_cond_mask() instead if this is not desirable.
*/
void smp_call_function_many(const struct cpumask *mask,
smp_call_func_t func, void *info, bool wait)