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From: Richard Cochran <richardcochran@gmail.com>
To: Vivek Thampi <vithampi@vmware.com>
Cc: Pv-drivers <Pv-drivers@vmware.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH] ptp: add VMware virtual PTP clock driver
Date: Thu, 27 Feb 2020 09:01:48 -0800	[thread overview]
Message-ID: <20200227170148.GA1742@localhost> (raw)
In-Reply-To: <20200227135824.GA389099@sc2-cpbu2-b0737.eng.vmware.com>

On Thu, Feb 27, 2020 at 01:58:39PM +0000, Vivek Thampi wrote:
> Add a PTP clock driver called ptp_vmw, for guests running on VMware ESXi
> hypervisor. The driver attaches to a VMware virtual device called
> "precision clock" that provides a mechanism for querying host system time.
> Similar to existing virtual PTP clock drivers (e.g. ptp_kvm), ptp_vmw
> utilizes the kernel's PTP hardware clock API to implement a clock device
> that can be used as a reference in Chrony for synchronizing guest time with
> host.
> 
> The driver is only applicable to x86 guests running in VMware virtual
> machines with precision clock virtual device present. It uses a VMware
> specific hypercall mechanism to read time from the device.

Please post this driver to the lkml for wider reivew.  Also, be sure
to include the relevant VM/x86 maintainers on CC.

Thanks,
Richard

      reply	other threads:[~2020-02-27 17:01 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27 13:58 [PATCH] ptp: add VMware virtual PTP clock driver Vivek Thampi
2020-02-27 17:01 ` Richard Cochran [this message]

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