Messages in this thread | | | Subject | Re: [PATCH V4 12/12] trace/osnoise: Support hotplug operations | From | Daniel Bristot de Oliveira <> | Date | Mon, 21 Jun 2021 14:18:17 +0200 |
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On 6/18/21 9:04 PM, Steven Rostedt wrote: > On Tue, 15 Jun 2021 11:28:51 +0200 > Daniel Bristot de Oliveira <bristot@redhat.com> wrote: > >> @@ -1566,7 +1627,14 @@ osnoise_cpus_write(struct file *filp, const char __user *ubuf, size_t count, >> osnoise_tracer_stop(tr); >> >> mutex_lock(&interface_lock); >> + /* >> + * osnoise_cpumask is ready by CPU hotplug operations. > > I don't understand the usage of "ready" above. Lost in translation? > > * osnoise_cpumask is updated by CPU hotplug operations.
I think I meant "read"... I will use your comment.
Thanks
-- Daniel > ? > > -- Steve > > >> + */ >> + get_online_cpus(); >> + >> cpumask_copy(&osnoise_cpumask, osnoise_cpumask_new); >> + >> + put_online_cpus(); >> mutex_unlock(&interface_lock); >> >
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