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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
_______________________________________________
kvmarm mailing list
kvmarm@xxxxxxxxxxxxxxxxxxxxx
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm



[Index of Archives]     [Linux KVM]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux