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smp_call_function() torture-test updates:

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* Count single_rpc offline failures in statistics output.
  * Make invoker threads actually wait for all threads to start.
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Merge tag 'scftorture.2026.08.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux

Pull smp_call_function() torture-test updates from Paul McKenney:

 - Count single_rpc offline failures in statistics output

 - Make invoker threads actually wait for all threads to start

* tag 'scftorture.2026.08.18a' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux:
  scftorture: Make invoker threads actually wait for all threads to start
  scftorture: Count single_rpc offline failures in statistics output
This commit is contained in:
Linus Torvalds 2026-08-23 19:28:04 -07:00
commit 0a0d1d55da
1 changed files with 2 additions and 1 deletions
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3
kernel/scftorture.c
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@ -193,6 +193,7 @@ static void scf_torture_stats_print(void)
scfs.n_single += scf_stats_p[i].n_single;
scfs.n_single_ofl += scf_stats_p[i].n_single_ofl;
scfs.n_single_rpc += scf_stats_p[i].n_single_rpc;
scfs.n_single_rpc_ofl += scf_stats_p[i].n_single_rpc_ofl;
scfs.n_single_wait += scf_stats_p[i].n_single_wait;
scfs.n_single_wait_ofl += scf_stats_p[i].n_single_wait_ofl;
scfs.n_many += scf_stats_p[i].n_many;
@ -491,7 +492,7 @@ static int scftorture_invoker(void *arg)
"%s: Wanted CPU %d, running on %d, nr_cpu_ids = %d\n",
__func__, scfp->cpu, curcpu, nr_cpu_ids);
if (!atomic_dec_return(&n_started))
if (atomic_dec_return(&n_started))
while (atomic_read_acquire(&n_started)) {
if (torture_must_stop()) {
VERBOSE_SCFTORTOUT("scftorture_invoker %d ended before starting", scfp->cpu);