Ything-RepoMirrors/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-01-25 07:47:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

smp: Defer check for local execution in smp_call_function_many_cond()

Browse Source 
Defer check for local execution to the actual place where it is needed,
which removes the extra local variable.

Signed-off-by: Yury Norov [NVIDIA] <yury.norov@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250623000010.10124-5-yury.norov@gmail.com
This commit is contained in:
Yury Norov [NVIDIA]
2025-06-22 20:00:09 -04:00
committed by Thomas Gleixner
parent 976e0e3103
commit e0e9506523
1 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
kernel/smp.c
View File

@@ -779,7 +779,6 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
bool wait = scf_flags & SCF_WAIT;
int nr_cpus = 0;
bool run_remote = false;
bool run_local = false;
lockdep_assert_preemption_disabled();
@@ -801,11 +800,6 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
*/
WARN_ON_ONCE(!in_task());
/* Check if we need local execution. */
if ((scf_flags & SCF_RUN_LOCAL) && cpumask_test_cpu(this_cpu, mask) &&
(!cond_func || cond_func(this_cpu, info)))
run_local = true;
/* Check if we need remote execution, i.e., any CPU excluding this one. */
if (cpumask_any_and_but(mask, cpu_online_mask, this_cpu) < nr_cpu_ids) {
run_remote = true;
@@ -851,7 +845,9 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
send_call_function_ipi_mask(cfd->cpumask_ipi);
}
if (run_local) {
/* Check if we need local execution. */
if ((scf_flags & SCF_RUN_LOCAL) && cpumask_test_cpu(this_cpu, mask) &&
(!cond_func || cond_func(this_cpu, info))) {
unsigned long flags;
local_irq_save(flags);