[PATCH -fixes] drivers: perf: Fix smp_processor_id() use in preemptible code

[Alexandre Ghiti]

Hi Andrea,

On Mon, Aug 26, 2024 at 9:36 PM Andrea Parri <parri.andrea at gmail.com> wrote:
>
> On Mon, Aug 26, 2024 at 06:52:10PM +0200, Alexandre Ghiti wrote:
> > As reported in [1], the use of smp_processor_id() in
> > pmu_sbi_device_probe() must be protected by disabling the preemption, so
> > simple use get_cpu()/put_cpu() instead.
>
>   simply
>
>
> > Reported-by: Nam Cao <namcao at linutronix.de>
>
> Reported-by: Andrea Parri <parri.andrea at gmail.com>

I added it at first but since there is no link to a bug report,
checkpatch complains so I removed it. But I have just checked the
documentation which states:

"The tag should be followed by a Closes: tag pointing to the report,
unless the report is not available on the web"

So I'm sorry about that, it won't happen again.

Thanks,

Alex


>
>
> > Closes: https://lore.kernel.org/linux-riscv/20240820074925.ReMKUPP3@linutronix.de/ [1]
> > Signed-off-by: Alexandre Ghiti <alexghiti at rivosinc.com>
>
> Tested-by: Andrea Parri <parri.andrea at gmail.com>
>
>   Andrea