From: Wei Liu <wei.liu@xxxxxxxxxx> Sent: Wednesday, August 4, 2021 9:40 AM > > On Wed, Aug 04, 2021 at 05:10:41PM +0100, Catalin Marinas wrote: > > On Wed, Aug 04, 2021 at 08:52:39AM -0700, Michael Kelley wrote: > > > Update drivers/hv/Kconfig so CONFIG_HYPERV can be selected on > > > ARM64, causing the Hyper-V specific code to be built. Exclude the > > > Hyper-V enlightened clocks/timers code from being built for ARM64. > > > > > > Signed-off-by: Michael Kelley <mikelley@xxxxxxxxxxxxx> > > > Reviewed-by: Boqun Feng <boqun.feng@xxxxxxxxx> > > > Acked-by: Marc Zyngier <maz@xxxxxxxxxx> > > > Acked-by: Mark Rutland <mark.rutland@xxxxxxx> > > > > > > --- > > > drivers/hv/Kconfig | 5 +++-- > > > 1 file changed, 3 insertions(+), 2 deletions(-) > > > > > > diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig > > > index 66c794d..e509d5d 100644 > > > --- a/drivers/hv/Kconfig > > > +++ b/drivers/hv/Kconfig > > > @@ -4,7 +4,8 @@ menu "Microsoft Hyper-V guest support" > > > > > > config HYPERV > > > tristate "Microsoft Hyper-V client drivers" > > > - depends on X86 && ACPI && X86_LOCAL_APIC && HYPERVISOR_GUEST > > > + depends on ACPI && ((X86 && X86_LOCAL_APIC && HYPERVISOR_GUEST) \ > > > + || (ARM64 && !CPU_BIG_ENDIAN)) > > > select PARAVIRT > > > select X86_HV_CALLBACK_VECTOR > > > > Does this need to be: > > > > select X86_HV_CALLBACK_VECTOR if X86 > > > > I haven't checked whether it gives a warning on arm64 but that symbol > > doesn't exist. The symbol is only referenced in code under arch/x86, so there's no warning when building for arm64. But yes, it would be good hygiene to add the "if X86". Michael > > > > Anyway, I can fix it up locally. > > I can fix it up while I queue these patches. > > Wei.
