linux-kernel - Re: [PATCH v6 0/5] PCI: Remove most pcim_iounmap

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Message-ID: <dfe23f1344f0a74d05d5a605aa78c5989be22619.camel@redhat.com>
Date: Tue, 08 Oct 2024 15:16:52 +0200
From: Philipp Stanner <pstanner@...hat.com>
To: Jens Axboe <axboe@...nel.dk>, Wu Hao <hao.wu@...el.com>, Tom Rix
 <trix@...hat.com>, Moritz Fischer <mdf@...nel.org>, Xu Yilun
 <yilun.xu@...el.com>,  Andy Shevchenko <andy@...nel.org>, Linus Walleij
 <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,  Jakub
 Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Bjorn Helgaas
 <bhelgaas@...gle.com>, Richard Cochran <richardcochran@...il.com>, Damien
 Le Moal <dlemoal@...nel.org>, Hannes Reinecke <hare@...e.de>, John Garry
 <john.g.garry@...cle.com>, Chaitanya Kulkarni <kch@...dia.com>
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-fpga@...r.kernel.org, linux-gpio@...r.kernel.org,
 netdev@...r.kernel.org,  linux-pci@...r.kernel.org
Subject: Re: [PATCH v6 0/5] PCI: Remove most pcim_iounmap_regions() users

@Bjorn:

How do you feel about this for v6.13? :)

All Reviews / Acks are in place.

P.

On Mon, 2024-09-02 at 08:23 +0200, Philipp Stanner wrote:
> Changes in v6:
>   - Remove the patches for "vdpa: solidrun" since the maintainer
> seems
>     unwilling to review and discuss, not to mention approve, anything
>     that is part of a wider patch series across other subsystems.
>   - Change series's name to highlight that not all callers are
> removed
>     by it.
> 
> Changes in v5:
>   - Patch "ethernet: cavium": Re-add accidentally removed
>     pcim_iounmap_region(). (Me)
>   - Add Jens's Reviewed-by to patch "block: mtip32xx". (Jens)
> 
> Changes in v4:
>   - Drop the "ethernet: stmicro: [...] patch since it doesn't apply
> to
>     net-next, and making it apply to that prevents it from being
>     applyable to PCI ._. (Serge, me)
>   - Instead, deprecate pcim_iounmap_regions() and keep "ethernet:
>     stimicro" as the last user for now.
>   - ethernet: cavium: Use PTR_ERR_OR_ZERO(). (Andy)
>   - vdpa: solidrun (Bugfix) Correct wrong printf string (was "psnet"
> instead of
>     "snet"). (Christophe)
>   - vdpa: solidrun (Bugfix): Add missing blank line. (Andy)
>   - vdpa: solidrun (Portation): Use PTR_ERR_OR_ZERO(). (Andy)
>   - Apply Reviewed-by's from Andy and Xu Yilun.
> 
> Changes in v3:
>   - fpga/dfl-pci.c: remove now surplus wrapper around
>     pcim_iomap_region(). (Andy)
>   - block: mtip32xx: remove now surplus label. (Andy)
>   - vdpa: solidrun: Bugfix: Include forgotten place where stack UB
>     occurs. (Andy, Christophe)
>   - Some minor wording improvements in commit messages. (Me)
> 
> Changes in v2:
>   - Add a fix for the UB stack usage bug in vdap/solidrun. Separate
>     patch, put stable kernel on CC. (Christophe, Andy).
>   - Drop unnecessary pcim_release_region() in mtip32xx (Andy)
>   - Consequently, drop patch "PCI: Make pcim_release_region() a
> public
>     function", since there's no user anymore. (obsoletes the squash
>     requested by Damien).
>   - vdap/solidrun:
>     • make 'i' an 'unsigned short' (Andy, me)
>     • Use 'continue' to simplify loop (Andy)
>     • Remove leftover blank line
>   - Apply given Reviewed- / acked-bys (Andy, Damien, Bartosz)
> 
> 
> Important things first:
> This series is based on [1] and [2] which Bjorn Helgaas has currently
> queued for v6.12 in the PCI tree.
> 
> This series shall remove pcim_iounmap_regions() in order to make way
> to
> remove its brother, pcim_iomap_regions().
> 
> Regards,
> P.
> 
> [1]
> https://lore.kernel.org/all/20240729093625.17561-4-pstanner@redhat.com/
> [2]
> https://lore.kernel.org/all/20240807083018.8734-2-pstanner@redhat.com/
> 
> Philipp Stanner (5):
>   PCI: Deprecate pcim_iounmap_regions()
>   fpga/dfl-pci.c: Replace deprecated PCI functions
>   block: mtip32xx: Replace deprecated PCI functions
>   gpio: Replace deprecated PCI functions
>   ethernet: cavium: Replace deprecated PCI functions
> 
>  drivers/block/mtip32xx/mtip32xx.c              | 18 ++++++++--------
> --
>  drivers/fpga/dfl-pci.c                         | 16 ++++------------
>  drivers/gpio/gpio-merrifield.c                 | 14 +++++++-------
>  .../net/ethernet/cavium/common/cavium_ptp.c    |  7 +++----
>  drivers/pci/devres.c                           |  8 ++++++--
>  include/linux/pci.h                            |  1 +
>  6 files changed, 29 insertions(+), 35 deletions(-)
>