lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-Id: <20200305.172539.2236241791008844069.davem@davemloft.net>
Date:   Thu, 05 Mar 2020 17:25:39 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     vithampi@...are.com
Cc:     richardcochran@...il.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Pv-drivers@...are.com,
        virtualization@...ts.linux-foundation.org, x86@...nel.org,
        thellstrom@...are.com, jgross@...e.com
Subject: Re: [PATCH RESEND] ptp: add VMware virtual PTP clock driver

From: Vivek Thampi <vithampi@...are.com>
Date: Fri, 28 Feb 2020 05:32:46 +0000

> 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.
> 
> Reviewed-by: Thomas Hellstrom <thellstrom@...are.com>
> Signed-off-by: Vivek Thampi <vithampi@...are.com>

Thanks for your explanation of why this is a reasonable driver, makes sense.

Applied to net-next.

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ