[PATCH v4 11/13] firmware: arm_sdei: add support for CPU private events

Catalin Marinas catalin.marinas at arm.com
Wed Oct 18 04:11:36 PDT 2017


On Tue, Oct 17, 2017 at 06:44:30PM +0100, James Morse wrote:
> Private SDE events are per-cpu, and need to be registered and enabled
> on each CPU.
> 
> Hide this detail from the caller by adapting our {,un}register and
> {en,dis}able calls to send an IPI to each CPU if the event is private.
> 
> CPU private events are unregistered when the CPU is powered-off, and
> re-registered when the CPU is brought back online. This saves bringing
> secondary cores back online to call private_reset() on shutdown, kexec
> and resume from hibernate.
> 
> Signed-off-by: James Morse <james.morse at arm.com>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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