Re: [PATCH v4 07/13] firmware: arm_sdei: Add driver for Software Delegated Exceptions

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On Tue, Oct 17, 2017 at 06:44:26PM +0100, James Morse wrote:
> The Software Delegated Exception Interface (SDEI) is an ARM standard
> for registering callbacks from the platform firmware into the OS.
> This is typically used to implement firmware notifications (such as
> firmware-first RAS) or promote an IRQ that has been promoted to a
> firmware-assisted NMI.
> 
> Add the code for detecting the SDEI version and the framework for
> registering and unregistering events. Subsequent patches will add the
> arch-specific backend code and the necessary power management hooks.
> 
> Only shared events are supported, power management, private events and
> discovery for ACPI systems will be added by later patches.
> 
> Signed-off-by: James Morse <james.morse@xxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
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