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
prev parent 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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200227170148.GA1742@localhost \
--to=richardcochran@gmail.com \
--cc=Pv-drivers@vmware.com \
--cc=netdev@vger.kernel.org \
--cc=vithampi@vmware.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).