Re: [PATCH v3 07/29] arm_mpam: Add probe/remove for mpam msc driver and kbuild boiler plate

From: Markus Elfring

Date: Thu Nov 06 2025 - 12:48:25 EST



> +++ b/drivers/resctrl/mpam_devices.c
> @@ -0,0 +1,190 @@

> +static void mpam_msc_drv_remove(struct platform_device *pdev)
> +{

> + mutex_lock(&mpam_list_lock);
> + mpam_msc_destroy(msc);
> + mutex_unlock(&mpam_list_lock);
> +
> + synchronize_srcu(&mpam_srcu);
> +}


Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&mpam_list_lock);”?
https://elixir.bootlin.com/linux/v6.18-rc4/source/include/linux/mutex.h#L228

Regards,
Markus