From: Jakub Kicinski <kuba@kernel.org>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Johannes Zink <j.zink@pengutronix.de>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Russell King <linux@armlinux.org.uk>,
patchwork-jzi@pengutronix.de, netdev@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, kernel@pengutronix.de,
kernel test robot <lkp@intel.com>
Subject: Re: [PATCH v2] net: stmmac: correct MAC propagation delay
Date: Tue, 25 Jul 2023 20:39:48 -0700 [thread overview]
Message-ID: <20230725203948.4037fee7@kernel.org> (raw)
In-Reply-To: <ZMCRjcRF9XqEPg/Z@hoboy.vegasvil.org>
On Tue, 25 Jul 2023 20:22:53 -0700 Richard Cochran wrote:
> > any opinion on this one?
>
> Yeah, I saw it, but I can't get excited about drivers trying to
> correct delays. I don't think this can be done automatically in a
> reliable way, and so I expect that the few end users who are really
> getting into the microseconds and nanoseconds will calibrate their
> systems end to end, maybe even patching out this driver nonsense in
> their kernels.
>
> Having said that, I won't stand in the way of such driver stuff.
> After all, who cares about a few microseconds time error one way or
> the other?
I see :)
next prev parent reply other threads:[~2023-07-26 3:39 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-24 10:01 [PATCH v2] net: stmmac: correct MAC propagation delay Johannes Zink
2023-07-26 3:06 ` Jakub Kicinski
2023-07-26 3:22 ` Richard Cochran
2023-07-26 3:39 ` Jakub Kicinski [this message]
2023-07-26 6:04 ` Marc Kleine-Budde
2023-07-26 15:34 ` Richard Cochran
2023-07-27 6:40 ` Johannes Zink
2023-07-27 6:40 ` Johannes Zink
2023-07-27 13:30 ` Richard Cochran
2023-07-27 13:30 ` Richard Cochran
2023-07-26 6:10 ` Johannes Zink
2023-07-26 15:43 ` Richard Cochran
2023-07-27 6:39 ` Johannes Zink
2023-07-27 6:39 ` Johannes Zink
2023-07-27 6:55 ` Johannes Zink
2023-07-27 6:55 ` Johannes Zink
2023-07-27 7:41 ` Johannes Zink
2023-07-27 7:41 ` Johannes Zink
2023-07-27 7:15 ` Kurt Kanzenbach
2023-07-27 7:15 ` Kurt Kanzenbach
2023-07-27 7:18 ` Johannes Zink
2023-07-27 7:18 ` Johannes Zink
2023-07-26 5:50 ` Marc Kleine-Budde
2023-07-26 3:50 ` patchwork-bot+netdevbpf
2023-07-26 18:00 ` Richard Cochran
2023-07-27 6:42 ` Johannes Zink
2023-07-27 6:42 ` Johannes Zink
2023-07-27 13:34 ` Richard Cochran
2023-07-27 13:34 ` Richard Cochran
2023-07-26 20:57 ` Richard Cochran
2023-07-27 7:20 ` Johannes Zink
2023-07-27 7:20 ` Johannes Zink
2023-07-27 13:36 ` Richard Cochran
2023-07-27 13:36 ` Richard Cochran
2023-07-31 7:00 ` Johannes Zink
2023-07-31 7:00 ` Johannes Zink
2023-07-31 13:44 ` Richard Cochran
2023-07-31 13:44 ` Richard Cochran
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