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2 Commits

Author SHA1 Message Date
Guo Ren 859e5f45cb csky: CPU-hotplug supported for SMP 
This is a simple implement of CPU-hotplug for power saving. CPU use
wait instruction to enter power saving mode and waiting for IPI wakeup
signal.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
 2018-12-31 23:03:53 +08:00
Guo Ren 9910698657 csky: SMP support 
This patch adds boot, ipi, hotplug codes for SMP.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
 2018-10-26 00:54:26 +08:00