[Skiboot] [PATCH 1/2] cpu: Use STOP1 on POWER9 for idle/sleep inside OPAL

Stewart Smith stewart at linux.ibm.com
Fri May 25 10:16:49 AEST 2018

Benjamin Herrenschmidt <benh at kernel.crashing.org> writes:
> The current code requests STOP3, which means it gets STOP2 in practice.
> STOP2 has proven to occasionally be unreliable depending on FW
> version and chip revision, it also requires a functional CME,
> so instead, let's use STOP1. The difference is rather minimum
> for something that is only used a few seconds during boot.
> Signed-off-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>
> ---
>  core/cpu.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Series merged to master as of 53dac89cb8aab986e08ea5e062564f3da9f4831f
Stewart Smith
OPAL Architect, IBM.

More information about the Skiboot mailing list