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scftorture: Warn on individual scf_torture_init() error conditions

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When running scftorture as a module, any scf_torture_init() issues will be
reflected in the error code from modprobe or insmod, as the case may be.
However, these error codes are not available when running scftorture
built-in, for example, when using the kvm.sh script.  This commit
therefore adds WARN_ON_ONCE() to allow distinguishing scf_torture_init()
errors when running scftorture built-in.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2021-08-05 16:01:51 -07:00
parent c3d0258d5a
commit f2bdf7dc0d
1 changed files with 5 additions and 5 deletions
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10
kernel/scftorture.c
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@ -606,17 +606,17 @@ static int __init scf_torture_init(void)
if (onoff_interval > 0) {
firsterr = torture_onoff_init(onoff_holdoff * HZ, onoff_interval, NULL);
if (firsterr)
if (torture_init_error(firsterr))
goto unwind;
}
if (shutdown_secs > 0) {
firsterr = torture_shutdown_init(shutdown_secs, scf_torture_cleanup);
if (firsterr)
if (torture_init_error(firsterr))
goto unwind;
}
if (stutter > 0) {
firsterr = torture_stutter_init(stutter, stutter);
if (firsterr)
if (torture_init_error(firsterr))
goto unwind;
}
@ -637,12 +637,12 @@ static int __init scf_torture_init(void)
scf_stats_p[i].cpu = i;
firsterr = torture_create_kthread(scftorture_invoker, (void *)&scf_stats_p[i],
scf_stats_p[i].task);
if (firsterr)
if (torture_init_error(firsterr))
goto unwind;
}
if (stat_interval > 0) {
firsterr = torture_create_kthread(scf_torture_stats, NULL, scf_torture_stats_task);
if (firsterr)
if (torture_init_error(firsterr))
goto unwind;
}