Re: [PATCH] powerpc: powernv: Always go into nap mode when CPU is offline

2012-07-26 Thread Benjamin Herrenschmidt
On Fri, 2012-07-27 at 09:53 +1000, Paul Mackerras wrote: > The CPU hotplug code for the powernv platform currently only puts > offline CPUs into nap mode if the powersave_nap variable is set. > However, HV-style KVM on this platform requires secondary CPU threads > to be offline and in nap mode. S

[PATCH] powerpc: powernv: Always go into nap mode when CPU is offline

2012-07-26 Thread Paul Mackerras
The CPU hotplug code for the powernv platform currently only puts offline CPUs into nap mode if the powersave_nap variable is set. However, HV-style KVM on this platform requires secondary CPU threads to be offline and in nap mode. Since we know nap mode works just fine on all POWER7 machines, and