On Sat, 17 Apr 2021 09:59:39 +0100, Zenghui Yu <yuzenghui@xxxxxxxxxx> wrote: > > On 2021/3/30 22:54, Marc Zyngier wrote: > > +PTP_KVM support for arm/arm64 > > +============================= > > + > > +PTP_KVM is used for high precision time sync between host and guests. > > +It relies on transferring the wall clock and counter value from the > > +host to the guest using a KVM-specific hypercall. > > + > > +* ARM_SMCCC_HYP_KVM_PTP_FUNC_ID: 0x86000001 > > Per include/linux/arm-smccc.h, this should be > ARM_SMCCC_VENDOR_HYP_KVM_PTP_FUNC_ID. Well spotted. Care to send a patch on top of my kvm-arm64/ptp branch? Thanks, M. -- Without deviation from the norm, progress is not possible.
