linux-kernel - Re: [PATCH v1 0/5] PCI: Drop duplicated tracking of a pci

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Message-ID: <YQOy/OTvY66igEoe@smile.fi.intel.com>
Date:   Fri, 30 Jul 2021 11:06:20 +0300
From:   Andy Shevchenko <andriy.shevchenko@...el.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        kernel@...gutronix.de,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pci@...r.kernel.org, Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Russell Currey <ruscur@...sell.cc>,
        Oliver O'Halloran <oohall@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Rafał Miłecki <zajec5@...il.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        Sathya Prakash <sathya.prakash@...adcom.com>,
        Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Suganath Prabu Subramani 
        <suganath-prabu.subramani@...adcom.com>,
        Frederic Barrat <fbarrat@...ux.ibm.com>,
        Andrew Donnellan <ajd@...ux.ibm.com>,
        Arnd Bergmann <arnd@...db.de>,
        Yisen Zhuang <yisen.zhuang@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Vadym Kochan <vkochan@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Jiri Pirko <jiri@...dia.com>, Ido Schimmel <idosch@...dia.com>,
        Simon Horman <simon.horman@...igine.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Michael Buesch <m@...s.ch>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Fiona Trahe <fiona.trahe@...el.com>,
        Wojciech Ziemba <wojciech.ziemba@...el.com>,
        Alexander Duyck <alexanderduyck@...com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-crypto@...r.kernel.org, qat-linux@...el.com,
        MPT-FusionLinux.pdl@...adcom.com, linux-scsi@...r.kernel.org,
        netdev@...r.kernel.org, oss-drivers@...igine.com,
        xen-devel@...ts.xenproject.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v1 0/5] PCI: Drop duplicated tracking of a pci_dev's
 bound driver

On Thu, Jul 29, 2021 at 10:37:35PM +0200, Uwe Kleine-König wrote:
> Hello,
> 
> struct pci_dev tracks the bound pci driver twice. This series is about
> removing this duplication.
> 
> The first two patches are just cleanups. The third patch introduces a
> wrapper that abstracts access to struct pci_dev->driver. In the next
> patch (hopefully) all users are converted to use the new wrapper and
> finally the fifth patch removes the duplication.
> 
> Note this series is only build tested (allmodconfig on several
> architectures).
> 
> I'm open to restructure this series if this simplifies things. E.g. the
> use of the new wrapper in drivers/pci could be squashed into the patch
> introducing the wrapper. Patch 4 could be split by maintainer tree or
> squashed into patch 3 completely.

I see only patch 4 and this cover letter...

-- 
With Best Regards,
Andy Shevchenko