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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Sun, 6 Mar 2022 09:05:04 -0800
From:   Richard Cochran <>
To:     Gerhard Engleder <>
Subject: Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with
 additional free running time

On Sun, Mar 06, 2022 at 09:56:52AM +0100, Gerhard Engleder wrote:
> ptp vclocks require a clock with free running time for the timecounter.
> Currently only a physical clock forced to free running is supported.
> If vclocks are used, then the physical clock cannot be synchronized
> anymore. The synchronized time is not available in hardware in this
> case. As a result, timed transmission with ETF/TAPRIO hardware support
> is not possible anymore.


I don't see why you don't simply provide two PHC instances from this
one device.

AFAICT, this series is not needed at all, as the existing API covers
this use case already.


Powered by blists - more mailing lists