LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: David Miller <davem@davemloft.net>
To: antoine.tenart@bootlin.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
thomas.petazzoni@bootlin.com, maxime.chevallier@bootlin.com,
gregory.clement@bootlin.com, miquel.raynal@bootlin.com,
nadavh@marvell.com, stefanc@marvell.com, ymarkman@marvell.com,
mw@semihalf.com
Subject: Re: [PATCH net-next 00/12] net: mvpp2: improve the interrupt usage
Date: Wed, 19 Sep 2018 21:13:45 -0700 (PDT) [thread overview]
Message-ID: <20180919.211345.499002396520654228.davem@davemloft.net> (raw)
In-Reply-To: <20180919092711.22296-1-antoine.tenart@bootlin.com>
From: Antoine Tenart <antoine.tenart@bootlin.com>
Date: Wed, 19 Sep 2018 11:26:59 +0200
> This series aims to improve the interrupts descriptions and usage in the
> Marvell PPv2 driver.
>
> - Before the series interrupts were named after their s/w usage,
> which in fact can be configured. The series rename all those
> interrupts and add a description of the ones left over.
>
> - In PPv2 the interrupts are mapped to vectors. Those vectors were
> directly mapped to a given CPU, and per-cpu accesses were done. While
> this worked on our cases, the registers accesses mapped to the vectors
> are not actually linked to a given CPU. They instead are linked to
> what is called a "s/w thread". The series modify this so that the s/w
> threads are used instead of the CPU numbers, by adding an indirection.
> This means we now can have systems with more CPUs than s/w threads.
>
> This is based on today's net-next, and was tested on various boards
> using both versions of the PPv2 engine.
>
> Two more patches will be coming, to update the device trees describing a
> PPv2 engine. The patches are ready, but will go through a different
> tree. I'll send them once this series will be accepted. This is not an
> issue as the PPv2 driver keeps the dt bindings backward compatibility.
Series applied, thanks Antoine.
prev parent reply other threads:[~2018-09-20 4:13 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-19 9:26 Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 01/12] net: mvpp2: increase the number of s/w threads to 9 Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 02/12] net: mvpp2: rename the IRQs to match the hardware Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 03/12] Documentation/bindings: net: marvell-pp2: update the IRQs description Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 04/12] net: mvpp2: do not update the queue mode while probing Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 05/12] net: mvpp2: fix the number of queues per cpu for PPv2.2 Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 06/12] net: mvpp2: cpu should always be unsigned Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 07/12] net: mvpp2: make the per-cpu helpers static Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 08/12] net: mvpp2: make mvpp2_read_relaxed static Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 09/12] net: mvpp2: do not use the CPU number to access the per-thread registers Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 10/12] net: mvpp2: map the CPUs to threads Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 11/12] net: mvpp2: handle cases where more CPUs are available than s/w threads Antoine Tenart
2018-10-29 17:35 ` Marc Zyngier
2018-10-30 13:53 ` Antoine Tenart
2018-09-19 9:27 ` [PATCH net-next 12/12] net: mvpp2: rename mvpp2_percpu function to mvpp2_thread Antoine Tenart
2018-09-20 4:13 ` 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=20180919.211345.499002396520654228.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=antoine.tenart@bootlin.com \
--cc=gregory.clement@bootlin.com \
--cc=linux-kernel@vger.kernel.org \
--cc=maxime.chevallier@bootlin.com \
--cc=miquel.raynal@bootlin.com \
--cc=mw@semihalf.com \
--cc=nadavh@marvell.com \
--cc=netdev@vger.kernel.org \
--cc=stefanc@marvell.com \
--cc=thomas.petazzoni@bootlin.com \
--cc=ymarkman@marvell.com \
--subject='Re: [PATCH net-next 00/12] net: mvpp2: improve the interrupt usage' \
/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
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).