Hi, > Subject: [PATCH v4 6/8] cpuidle-haltpoll: ARM64 support > > From: Joao Martins <joao.m.martins@xxxxxxxxxx> > > To test whether it's a guest or not for the default cases, the haltpoll > driver uses the kvm_para* helpers to find out if it's a guest or not. > > ARM64 doesn't have or defined any of these, so it remains disabled on > the default. Although it allows to be force-loaded. > > Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx> > Signed-off-by: Mihai Carabas <mihai.carabas@xxxxxxxxxx> > --- > drivers/cpuidle/Kconfig | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig > index cac5997dca50..067927eda466 100644 > --- a/drivers/cpuidle/Kconfig > +++ b/drivers/cpuidle/Kconfig > @@ -35,7 +35,7 @@ config CPU_IDLE_GOV_TEO > > config CPU_IDLE_GOV_HALTPOLL > bool "Haltpoll governor (for virtualized systems)" > - depends on KVM_GUEST > + depends on (X86 && KVM_GUEST) || ARM64 > help > This governor implements haltpoll idle state selection, to be > used in conjunction with the haltpoll cpuidle driver, allowing > @@ -73,7 +73,7 @@ endmenu > > config HALTPOLL_CPUIDLE > tristate "Halt poll cpuidle driver" I noticed that to build as a module, arch_cpu_idle needs to be exported in arch/arm64/kernel/idle.c like x86. Regards, Tomohiro > - depends on X86 && KVM_GUEST > + depends on (X86 && KVM_GUEST) || ARM64 > select CPU_IDLE_GOV_HALTPOLL > default y > help > -- > 1.8.3.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
