Re: [PATCH v19 6/7] KVM: arm64: Add support for the KVM PTP service
From: Zenghui Yu <yuzenghui@huawei.com>
Date: 2021-04-17 10:25:16
Also in:
kvm, kvmarm, lkml, netdev
On 2021/4/17 17:10, Marc Zyngier wrote:
On Sat, 17 Apr 2021 09:59:39 +0100, Zenghui Yu [off-list ref] wrote:quoted
On 2021/3/30 22:54, Marc Zyngier wrote:quoted
+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: 0x86000001Per 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?
Okay. I'll have a patch for that. Zenghui _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel