netdev - Re: [PATCH v6 00/14] can: m_can: Optimizations for m

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Message-ID: <20231113205108.d3r3igce43cpmotk@blmsp>
Date: Mon, 13 Nov 2023 21:51:08 +0100
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Martin Hundebøll <martin@...nix.com>
Cc: Marc Kleine-Budde <mkl@...gutronix.de>,
	Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
	Wolfgang Grandegger <wg@...ndegger.com>,
	Vincent MAILHOL <mailhol.vincent@...adoo.fr>,
	Simon Horman <simon.horman@...igine.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	linux-can@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Julien Panis <jpanis@...libre.com>,
	Judith Mendez <jm@...com>
Subject: Re: [PATCH v6 00/14] can: m_can: Optimizations for m_can/tcan part 2

On Mon, Nov 13, 2023 at 02:31:20PM +0100, Martin Hundebøll wrote:
> On Mon, 2023-11-13 at 14:30 +0100, Marc Kleine-Budde wrote:
> > On 13.11.2023 14:25:37, Martin Hundebøll wrote:
> > > On Fri, 2023-09-29 at 16:12 +0200, Markus Schneider-Pargmann wrote:
> > > > Hi Marc, Simon, Martin and everyone,
> > > > 
> > > > v6 is a rebase on v6.6. As there was a conflicting change merged
> > > > for
> > > > v6.6 which introduced irq polling, I had to modify the patches
> > > > that
> > > > touch the hrtimer.
> > > > 
> > > > @Simon: I removed a couple of your reviewed-by tags because of
> > > > the
> > > > changes.
> > > > 
> > > > @Martin: as the functionality changed, I did not apply your
> > > > Tested-by
> > > > tag as I may have introduced new bugs with the changes.
> > > > 
> > > > The series implements many small and bigger throughput
> > > > improvements
> > > > and
> > > > adds rx/tx coalescing at the end.
> > > > 
> > > > Based on v6.6-rc2. Also available at
> > > > https://gitlab.baylibre.com/msp8/linux/-/tree/topic/mcan-optimization/v6.6?ref_type=heads
> > > 
> > > For the whole series:
> > > Tested-by: Martin Hundebøll <martin@...nix.com>
> > 
> > On which hardware? On an mmio mapped m_can or the tcan4x5x?
> 
> tcan4x5x on a custom iMX6UL.
> 
> Sorry for mentioning it.

Thanks for testing!

Also I was able to get my hands on an am62 board and could test the
series on a mmio mapped m_can (in loopback mode). I didn't notice any
issues.

Best,
Markus