RE: [PATCH v18 7/7] ptp: arm/arm64: Enable ptp_kvm for arm/arm64

2021-03-30 Thread Jianyong Wu
v18 7/7] ptp: arm/arm64: Enable ptp_kvm for arm/arm64 From: Jianyong Wu Currently, there is no mechanism to keep time sync between guest and host in arm/arm64 virtualization environment. Time in guest will drift compared with host after boot up as they may both use third party time sources to

[PATCH v18 7/7] ptp: arm/arm64: Enable ptp_kvm for arm/arm64

2021-02-08 Thread Marc Zyngier
From: Jianyong Wu Currently, there is no mechanism to keep time sync between guest and host in arm/arm64 virtualization environment. Time in guest will drift compared with host after boot up as they may both use third party time sources to correct their time respectively. The time deviation will