Message ID | 20241015185124.64726-9-pstanner@redhat.com |
---|---|
State | New |
Headers | show
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[2001:16b8:2d5d:5a00:6e2:6153:20d1:d4db]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c98d39a9a2sm974438a12.0.2024.10.15.11.52.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Oct 2024 11:52:06 -0700 (PDT) From: Philipp Stanner <pstanner@redhat.com> To: Damien Le Moal <dlemoal@kernel.org>, Niklas Cassel <cassel@kernel.org>, Sergey Shtylyov <s.shtylyov@omp.ru>, 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>, "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>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Chen Ni <nichen@iscas.ac.cn>, Mario Limonciello <mario.limonciello@amd.com>, Philipp Stanner <pstanner@redhat.com>, Ricky Wu <ricky_wu@realtek.com>, Al Viro <viro@zeniv.linux.org.uk>, Breno Leitao <leitao@debian.org>, Kevin Tian <kevin.tian@intel.com>, Thomas Gleixner <tglx@linutronix.de>, =?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Mostafa Saleh <smostafa@google.com>, Jason Gunthorpe <jgg@ziepe.ca>, Yi Liu <yi.l.liu@intel.com>, Christian Brauner <brauner@kernel.org>, Ankit Agrawal <ankita@nvidia.com>, Eric Auger <eric.auger@redhat.com>, Reinette Chatre <reinette.chatre@intel.com>, Ye Bin <yebin10@huawei.com>, =?utf-8?q?Marek_Marczykowski-G=C3=B3recki?= <marmarek@invisiblethingslab.com>, Pierre-Louis Bossart <pierre-louis.bossart@linux.dev>, Peter Ujfalusi <peter.ujfalusi@linux.intel.com>, Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Kai Vehmanen <kai.vehmanen@linux.intel.com>, Rui Salvaterra <rsalvaterra@gmail.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, linux-sound@vger.kernel.org Subject: [PATCH 08/13] PCI: MSI: Use never-managed version of pci_intx() Date: Tue, 15 Oct 2024 20:51:18 +0200 Message-ID: <20241015185124.64726-9-pstanner@redhat.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015185124.64726-1-pstanner@redhat.com> References: <20241015185124.64726-1-pstanner@redhat.com> Precedence: bulk X-Mailing-List: linux-ide@vger.kernel.org List-Id: <linux-ide.vger.kernel.org> List-Subscribe: <mailto:linux-ide+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-ide+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
Series |
Remove implicit devres from pci_intx()
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expand
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diff --git a/drivers/pci/msi/api.c b/drivers/pci/msi/api.c index b956ce591f96..c95e2e7dc9ab 100644 --- a/drivers/pci/msi/api.c +++ b/drivers/pci/msi/api.c @@ -289,7 +289,7 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, */ if (affd) irq_create_affinity_masks(1, affd); - pci_intx(dev, 1); + pci_intx_unmanaged(dev, 1); return 1; } } diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c index 3a45879d85db..53f13b09db50 100644 --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -268,7 +268,7 @@ EXPORT_SYMBOL_GPL(pci_write_msi_msg); static void pci_intx_for_msi(struct pci_dev *dev, int enable) { if (!(dev->dev_flags & PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG)) - pci_intx(dev, enable); + pci_intx_unmanaged(dev, enable); } static void pci_msi_set_enable(struct pci_dev *dev, int enable)
pci_intx() is a hybrid function which can sometimes be managed through devres. To remove this hybrid nature from pci_intx(), it is necessary to port users to either an always-managed or a never-managed version. MSI sets up its own separate devres callback implicitly in pcim_setup_msi_release(). This callback ultimately uses pci_intx(), which is problematic since the callback of course runs on driver-detach. That problem has last been described here: https://lore.kernel.org/all/ee44ea7ac760e73edad3f20b30b4d2fff66c1a85.camel@redhat.com/ Replace the call to pci_intx() with one to the never-managed version pci_intx_unmanaged(). Signed-off-by: Philipp Stanner <pstanner@redhat.com> --- drivers/pci/msi/api.c | 2 +- drivers/pci/msi/msi.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)