lkml.org 
[lkml]   [2017]   [Mar]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [v3 PATCH 2/4] powernv:smp: Add busy-wait loop as fall back for CPU-Hotplug
Date
"Gautham R. Shenoy" <ego@linux.vnet.ibm.com> writes:

> diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
> index 419edff..f335e0f 100644
> --- a/arch/powerpc/platforms/powernv/idle.c
> +++ b/arch/powerpc/platforms/powernv/idle.c
> @@ -283,8 +283,16 @@ unsigned long pnv_cpu_offline(unsigned int cpu)
> } else if ((idle_states & OPAL_PM_SLEEP_ENABLED) ||
> (idle_states & OPAL_PM_SLEEP_ENABLED_ER1)) {
> srr1 = power7_sleep();
> - } else {
> + } else if (idle_states & OPAL_PM_NAP_ENABLED) {
> srr1 = power7_nap(1);
> + } else {
> + /* This is the fallback method. We emulate snooze */
> + while (!generic_check_cpu_restart(cpu)) {

Breaks the SMP=n build :/

arch/powerpc/platforms/powernv/idle.c:299:11: error: implicit declaration of function 'generic_check_cpu_restart' [-Werror=implicit-function-declaration]

cheers

\
 
 \ /
  Last update: 2017-03-27 13:44    [W:0.098 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site