Re: [PATCH v2 0/8] Arm Live Firmware Activation (LFA) support

[Krzysztof Kozlowski]

On Tue, Mar 17, 2026 at 11:33:26AM +0100, Andre Przywara wrote:
> Changelog v1 .. v2:
> - restrict build to arm64 (the LFA spec only supports AArch64)
> - rename and extend central data structure to fw_image
> - use separate GPR register sets for some SMC calls
> - provide wrapper for error messages to prevent out-of-bound access
> - return GUID in the "name" sysfs file when image is unknown
> - fix wrong attribute in pending version number show function
> - add missing include files and order them properly
> - fix memory leaks in error cleanup paths
> - handle lifetime using embedded kobjects and a kset
> - drop global lfa_lock, use kset list lock and kobject refcount instead
> - add DT binding documentation
> - add timeout and watchdog re-arming (contributed by Veda)
> - relax timeout period and do not block while waiting
> - register ACPI notification (contributed by Veda) and DT interrupt 
> - refactor ACPI notification code to allow sharing with DT code
> - use faux device instead of platform driver
> - add auto_activate file to control automatic activation
> - introduce rwsem mutex to prevent using stale sequence ID
> - use labels and goto instead of infinite loop when retrying activation
> - initialise workqueue only once (thanks to Nirmoy)
> - various cleanups on reported messages and code formatting
> - rebase on top of v7.0-rc1
> 
> Changelog RFC .. v1:

Please start using b4 for developing patches. RFC is v1. RFCv2 is v2.
Whatever next is always + 1. Otherwise please share how v1 and RFC can be
easily compared with b4 diff...

> - Updated SMCCC version 1.1 to 1.2 per the LFA specification requirement.
> - Changed "image_props" array to a linked list to support the dynamic

Best regards,
Krzysztof