Re: [PATCH v2 10/14] driver: xen: Replace cpu_up/down with device_online/offline

From: JÃrgen GroÃ
Date: Mon Dec 09 2019 - 01:25:45 EST


On 25.11.19 12:27, Qais Yousef wrote:
The core device API performs extra housekeeping bits that are missing
from directly calling cpu_up/down.

See commit a6717c01ddc2 ("powerpc/rtas: use device model APIs and
serialization during LPM") for an example description of what might go
wrong.

This also prepares to make cpu_up/down a private interface for anything
but the cpu subsystem.

Signed-off-by: Qais Yousef <qais.yousef@xxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Juergen