All of lore.kernel.org
 help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: andrew@lunn.ch
Cc: netdev@vger.kernel.org, vivien.didelot@savoirfairelinux.com
Subject: Re: [PATCH net-next 0/2] net: dsa: mv88e6xxx: Improve PTP access latency
Date: Fri, 16 Feb 2018 15:37:34 -0500 (EST)	[thread overview]
Message-ID: <20180216.153734.818833240004820510.davem@davemloft.net> (raw)
In-Reply-To: <1518701915-14346-1-git-send-email-andrew@lunn.ch>

From: Andrew Lunn <andrew@lunn.ch>
Date: Thu, 15 Feb 2018 14:38:33 +0100

> PTP needs to retrieve the hardware timestamps from the switch device
> in a low latency manor. However ethtool -S and bridge fdb show can
> hold the switch register access mutex for a long time. These patches
> changes the reading the statistics and the ATU so that the mutex is
> released and taken again between each statistic or ATU entry. The PTP
> code can then interleave its access to the hardware, keeping its
> latency low.

Series applied, thanks Andrew.

      parent reply	other threads:[~2018-02-16 20:37 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-15 13:38 [PATCH net-next 0/2] net: dsa: mv88e6xxx: Improve PTP access latency Andrew Lunn
2018-02-15 13:38 ` [PATCH net-next 1/2] net: dsa: mv88e6xxx: Release mutex between each statistics read Andrew Lunn
2018-02-15 13:38 ` [PATCH net-next 2/2] net: dsa: mv88e6xxx: Release mutex between each ATU read Andrew Lunn
2018-02-16 20:37 ` David Miller [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=20180216.153734.818833240004820510.davem@davemloft.net \
    --to=davem@davemloft.net \
    --cc=andrew@lunn.ch \
    --cc=netdev@vger.kernel.org \
    --cc=vivien.didelot@savoirfairelinux.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.