From: Thomas Gleixner <tglx@linutronix•de>
To: Philipp Stanner <pstanner@redhat•com>,
Damien Le Moal <dlemoal@kernel•org>,
Niklas Cassel <cassel@kernel•org>,
Basavaraj Natikar <basavaraj.natikar@amd•com>,
Jiri Kosina <jikos@kernel•org>,
Benjamin Tissoires <bentiss@kernel•org>,
Arnd Bergmann <arnd@arndb•de>,
Greg Kroah-Hartman <gregkh@linuxfoundation•org>,
Alex Dubov <oakad@yahoo•com>,
Sudarsana Kalluru <skalluru@marvell•com>,
Manish Chopra <manishc@marvell•com>,
Andrew Lunn <andrew+netdev@lunn•ch>,
"David S. Miller" <davem@davemloft•net>,
Eric Dumazet <edumazet@google•com>,
Jakub Kicinski <kuba@kernel•org>, Paolo Abeni <pabeni@redhat•com>,
Rasesh Mody <rmody@marvell•com>,
GR-Linux-NIC-Dev@marvell•com,
Igor Mitsyanko <imitsyanko@quantenna•com>,
Sergey Matyukevich <geomatsi@gmail•com>,
Kalle Valo <kvalo@kernel•org>,
Sanjay R Mehta <sanju.mehta@amd•com>,
Shyam Sundar S K <Shyam-sundar.S-k@amd•com>,
Jon Mason <jdmason@kudzu•us>, Dave Jiang <dave.jiang@intel•com>,
Allen Hubbe <allenbh@gmail•com>,
Bjorn Helgaas <bhelgaas@google•com>,
Alex Williamson <alex.williamson@redhat•com>,
Juergen Gross <jgross@suse•com>,
Stefano Stabellini <sstabellini@kernel•org>,
Oleksandr Tyshchenko <oleksandr_tyshchenko@epam•com>,
Mario Limonciello <mario.limonciello@amd•com>,
Chen Ni <nichen@iscas•ac.cn>, Ricky Wu <ricky_wu@realtek•com>,
Al Viro <viro@zeniv•linux.org.uk>,
Breno Leitao <leitao@debian•org>,
Kevin Tian <kevin.tian@intel•com>,
Mostafa Saleh <smostafa@google•com>,
Andy Shevchenko <andriy.shevchenko@linux•intel.com>,
Jason Gunthorpe <jgg@ziepe•ca>, Yi Liu <yi.l.liu@intel•com>,
Kunwu Chan <chentao@kylinos•cn>,
Ankit Agrawal <ankita@nvidia•com>,
Christian Brauner <brauner@kernel•org>,
Reinette Chatre <reinette.chatre@intel•com>,
Eric Auger <eric.auger@redhat•com>, Ye Bin <yebin10@huawei•com>
Cc: linux-ide@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-input@vger•kernel.org, netdev@vger•kernel.org,
linux-wireless@vger•kernel.org, ntb@lists•linux.dev,
linux-pci@vger•kernel.org, kvm@vger•kernel.org,
xen-devel@lists•xenproject.org
Subject: Re: [PATCH v2 11/11] Remove devres from pci_intx()
Date: Fri, 15 Nov 2024 01:46:13 +0100 [thread overview]
Message-ID: <8734jtl3xm.ffs@tglx> (raw)
In-Reply-To: <49bb6fc9ebff3cae844da0465ceadeef8d3217c7.camel@redhat.com>
On Thu, Nov 14 2024 at 10:05, Philipp Stanner wrote:
> On Wed, 2024-11-13 at 17:22 +0100, Thomas Gleixner wrote:
>> On Wed, Nov 13 2024 at 13:41, Philipp Stanner wrote:
>> > pci_intx() is a hybrid function which can sometimes be managed
>> > through
>> > devres. This hybrid nature is undesirable.
>> >
>> > Since all users of pci_intx() have by now been ported either to
>> > always-managed pcim_intx() or never-managed pci_intx_unmanaged(),
>> > the
>> > devres functionality can be removed from pci_intx().
>> >
>> > Consequently, pci_intx_unmanaged() is now redundant, because
>> > pci_intx()
>> > itself is now unmanaged.
>> >
>> > Remove the devres functionality from pci_intx(). Have all users of
>> > pci_intx_unmanaged() call pci_intx(). Remove pci_intx_unmanaged().
>> >
>> > Signed-off-by: Philipp Stanner <pstanner@redhat•com>
>> > ---
>> > drivers/misc/cardreader/rtsx_pcr.c | 2 +-
>> > drivers/misc/tifm_7xx1.c | 6 +--
>> > .../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 2 +-
>> > drivers/net/ethernet/brocade/bna/bnad.c | 2 +-
>> > drivers/ntb/hw/amd/ntb_hw_amd.c | 4 +-
>> > drivers/ntb/hw/intel/ntb_hw_gen1.c | 2 +-
>> > drivers/pci/devres.c | 4 +-
>> > drivers/pci/msi/api.c | 2 +-
>> > drivers/pci/msi/msi.c | 2 +-
>> > drivers/pci/pci.c | 43 +--------------
>> > ----
>> > drivers/vfio/pci/vfio_pci_core.c | 2 +-
>> > drivers/vfio/pci/vfio_pci_intrs.c | 10 ++---
>> > drivers/xen/xen-pciback/conf_space_header.c | 2 +-
>> > include/linux/pci.h | 1 -
>> > 14 files changed, 22 insertions(+), 62 deletions(-)
>>
>> Now I'm utterly confused. This undoes the pci_intx_unmanaged() churn
>> which you carefully split into several patches first.
>
> Have you read the email I have linked?
>
> There is also the cover-letter (does anyone in the community ever read
> those?) which explicitly states:
>
> "Patch "Remove devres from pci_intx()" obviously reverts the previous
> patches that made drivers use pci_intx_unmanaged(). But this way it's
> easier to review and approve. It also makes sure that each checked out
> commit should provide correct behavior, not just the entire series as a
> whole."
I read it and I assume your intention was to force an eye on every use
case of pci_intx() and not just on those which need to be converted to
pcim_intx().
I'm not convinced that this is needed, but fair enough.
next prev parent reply other threads:[~2024-11-15 0:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-13 12:41 [PATCH v2 00/11] Remove implicit devres from pci_intx() Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 01/11] PCI: Prepare removing " Philipp Stanner
2024-11-13 16:04 ` Thomas Gleixner
2024-11-13 16:11 ` Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 02/11] drivers/xen: Use never-managed version of pci_intx() Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 03/11] net/ethernet: " Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 04/11] net/ntb: " Philipp Stanner
2024-11-13 15:24 ` Dave Jiang
2024-11-13 12:41 ` [PATCH v2 05/11] misc: " Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 06/11] vfio/pci: " Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 07/11] PCI: MSI: " Philipp Stanner
2024-11-15 15:35 ` Thomas Gleixner
2024-11-13 12:41 ` [PATCH v2 08/11] ata: Use always-managed " Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 09/11] wifi: qtnfmac: use always-managed version of pcim_intx() Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 10/11] HID: amd_sfh: Use " Philipp Stanner
2024-11-13 12:41 ` [PATCH v2 11/11] Remove devres from pci_intx() Philipp Stanner
2024-11-13 16:22 ` Thomas Gleixner
2024-11-14 9:05 ` Philipp Stanner
2024-11-15 0:46 ` Thomas Gleixner [this message]
2024-11-15 8:32 ` Philipp Stanner
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=8734jtl3xm.ffs@tglx \
--to=tglx@linutronix$(echo .)de \
--cc=GR-Linux-NIC-Dev@marvell$(echo .)com \
--cc=Shyam-sundar.S-k@amd$(echo .)com \
--cc=alex.williamson@redhat$(echo .)com \
--cc=allenbh@gmail$(echo .)com \
--cc=andrew+netdev@lunn$(echo .)ch \
--cc=andriy.shevchenko@linux$(echo .)intel.com \
--cc=ankita@nvidia$(echo .)com \
--cc=arnd@arndb$(echo .)de \
--cc=basavaraj.natikar@amd$(echo .)com \
--cc=bentiss@kernel$(echo .)org \
--cc=bhelgaas@google$(echo .)com \
--cc=brauner@kernel$(echo .)org \
--cc=cassel@kernel$(echo .)org \
--cc=chentao@kylinos$(echo .)cn \
--cc=dave.jiang@intel$(echo .)com \
--cc=davem@davemloft$(echo .)net \
--cc=dlemoal@kernel$(echo .)org \
--cc=edumazet@google$(echo .)com \
--cc=eric.auger@redhat$(echo .)com \
--cc=geomatsi@gmail$(echo .)com \
--cc=gregkh@linuxfoundation$(echo .)org \
--cc=imitsyanko@quantenna$(echo .)com \
--cc=jdmason@kudzu$(echo .)us \
--cc=jgg@ziepe$(echo .)ca \
--cc=jgross@suse$(echo .)com \
--cc=jikos@kernel$(echo .)org \
--cc=kevin.tian@intel$(echo .)com \
--cc=kuba@kernel$(echo .)org \
--cc=kvalo@kernel$(echo .)org \
--cc=kvm@vger$(echo .)kernel.org \
--cc=leitao@debian$(echo .)org \
--cc=linux-ide@vger$(echo .)kernel.org \
--cc=linux-input@vger$(echo .)kernel.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-pci@vger$(echo .)kernel.org \
--cc=linux-wireless@vger$(echo .)kernel.org \
--cc=manishc@marvell$(echo .)com \
--cc=mario.limonciello@amd$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=nichen@iscas$(echo .)ac.cn \
--cc=ntb@lists$(echo .)linux.dev \
--cc=oakad@yahoo$(echo .)com \
--cc=oleksandr_tyshchenko@epam$(echo .)com \
--cc=pabeni@redhat$(echo .)com \
--cc=pstanner@redhat$(echo .)com \
--cc=reinette.chatre@intel$(echo .)com \
--cc=ricky_wu@realtek$(echo .)com \
--cc=rmody@marvell$(echo .)com \
--cc=sanju.mehta@amd$(echo .)com \
--cc=skalluru@marvell$(echo .)com \
--cc=smostafa@google$(echo .)com \
--cc=sstabellini@kernel$(echo .)org \
--cc=viro@zeniv$(echo .)linux.org.uk \
--cc=xen-devel@lists$(echo .)xenproject.org \
--cc=yebin10@huawei$(echo .)com \
--cc=yi.l.liu@intel$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox