Re: [PATCH 3/3] platform/x86: wmi: Remove obsolete duplicate GUID allowlist

From: Ilpo Järvinen
Date: Tue Feb 27 2024 - 08:05:43 EST


On Mon, 26 Feb 2024, Armin Wolf wrote:

> The whitelist-based approach for preventing older WMI drivers from
> being instantiated multiple times has many drawbacks:
>
> - uses cannot see all available WMI devices (if not whitelisted)
> - whitelisting a WMI driver requires changes in the WMI driver core
> - maintenance burden for driver and subsystem developers
>
> Since the WMI driver core already takes care that older WMI drivers
> are not being instantiated multiple times, remove the now redundant
> whitelist.
>
> Tested on a ASUS Prime B650-Plus.
>
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>
> ---
> drivers/platform/x86/wmi.c | 39 --------------------------------------
> 1 file changed, 39 deletions(-)
>
> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index 349deced87e8..1920e115da89 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -90,16 +90,6 @@ static const struct acpi_device_id wmi_device_ids[] = {
> };
> MODULE_DEVICE_TABLE(acpi, wmi_device_ids);
>
> -/* allow duplicate GUIDs as these device drivers use struct wmi_driver */
> -static const char * const allow_duplicates[] = {
> - "05901221-D566-11D1-B2F0-00A0C9062910", /* wmi-bmof */
> - "8A42EA14-4F2A-FD45-6422-0087F7A7E608", /* dell-wmi-ddv */
> - "44FADEB1-B204-40F2-8581-394BBDC1B651", /* intel-wmi-sbl-fw-update */
> - "86CCFD48-205E-4A77-9C48-2021CBEDE341", /* intel-wmi-thunderbolt */
> - "F1DDEE52-063C-4784-A11E-8A06684B9B01", /* dell-smm-hwmon */
> - NULL
> -};

Great work, thank you.

I've applied the series to review-ilpo.

--
i.