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

[Andrea Parri]

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@xxxxxxxxxxxxx>

Reported-by: Andrea Parri <parri.andrea@xxxxxxxxx>


> Closes: https://lore.kernel.org/linux-riscv/20240820074925.ReMKUPP3@xxxxxxxxxxxxx/ [1]
> Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>

Tested-by: Andrea Parri <parri.andrea@xxxxxxxxx>

  Andrea