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Re: [PATCH v1 0/5] PCI: Drop duplicated tracking of a pci_dev's bound driver
- To: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
- From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
- Date: Fri, 30 Jul 2021 11:06:20 +0300
- Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, kernel@xxxxxxxxxxxxxx, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, linux-pci@xxxxxxxxxxxxxxx, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Russell Currey <ruscur@xxxxxxxxxx>, Oliver O'Halloran <oohall@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, x86@xxxxxxxxxx, "H. Peter Anvin" <hpa@xxxxxxxxx>, Rafał Miłecki <zajec5@xxxxxxxxx>, Zhou Wang <wangzhou1@xxxxxxxxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>, Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>, Sreekanth Reddy <sreekanth.reddy@xxxxxxxxxxxx>, Suganath Prabu Subramani <suganath-prabu.subramani@xxxxxxxxxxxx>, Frederic Barrat <fbarrat@xxxxxxxxxxxxx>, Andrew Donnellan <ajd@xxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Yisen Zhuang <yisen.zhuang@xxxxxxxxxx>, Salil Mehta <salil.mehta@xxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Vadym Kochan <vkochan@xxxxxxxxxxx>, Taras Chornyi <tchornyi@xxxxxxxxxxx>, Jiri Pirko <jiri@xxxxxxxxxx>, Ido Schimmel <idosch@xxxxxxxxxx>, Simon Horman <simon.horman@xxxxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Michael Buesch <m@xxxxxxx>, Mathias Nyman <mathias.nyman@xxxxxxxxx>, Fiona Trahe <fiona.trahe@xxxxxxxxx>, Wojciech Ziemba <wojciech.ziemba@xxxxxxxxx>, Alexander Duyck <alexanderduyck@xxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-perf-users@xxxxxxxxxxxxxxx, linux-wireless@xxxxxxxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, qat-linux@xxxxxxxxx, MPT-FusionLinux.pdl@xxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, oss-drivers@xxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx
- Delivery-date: Fri, 30 Jul 2021 08:07:08 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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
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