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>,
"Ilpo Järvinen" <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>,
"Marek Marczykowski-Górecki" <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 07/13] vfio/pci: Use never-managed version of pci_intx()
Date: Tue, 15 Oct 2024 20:51:17 +0200 [thread overview]
Message-ID: <20241015185124.64726-8-pstanner@redhat.com> (raw)
In-Reply-To: <20241015185124.64726-1-pstanner@redhat.com>
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.
vfio enables its PCI-Device with pci_enable_device(). Thus, it
needs the never-managed version.
Replace pci_intx() with pci_intx_unmanaged().
Signed-off-by: Philipp Stanner <pstanner@redhat.com>
---
drivers/vfio/pci/vfio_pci_core.c | 2 +-
drivers/vfio/pci/vfio_pci_intrs.c | 10 +++++-----
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index 1ab58da9f38a..90240c8d51aa 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -498,7 +498,7 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *vdev)
if (vfio_pci_nointx(pdev)) {
pci_info(pdev, "Masking broken INTx support\n");
vdev->nointx = true;
- pci_intx(pdev, 0);
+ pci_intx_unmanaged(pdev, 0);
} else
vdev->pci_2_3 = pci_intx_mask_supported(pdev);
}
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 8382c5834335..40abb0b937a2 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -118,7 +118,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_device *vdev)
*/
if (unlikely(!is_intx(vdev))) {
if (vdev->pci_2_3)
- pci_intx(pdev, 0);
+ pci_intx_unmanaged(pdev, 0);
goto out_unlock;
}
@@ -132,7 +132,7 @@ static bool __vfio_pci_intx_mask(struct vfio_pci_core_device *vdev)
* mask, not just when something is pending.
*/
if (vdev->pci_2_3)
- pci_intx(pdev, 0);
+ pci_intx_unmanaged(pdev, 0);
else
disable_irq_nosync(pdev->irq);
@@ -178,7 +178,7 @@ static int vfio_pci_intx_unmask_handler(void *opaque, void *data)
*/
if (unlikely(!is_intx(vdev))) {
if (vdev->pci_2_3)
- pci_intx(pdev, 1);
+ pci_intx_unmanaged(pdev, 1);
goto out_unlock;
}
@@ -296,7 +296,7 @@ static int vfio_intx_enable(struct vfio_pci_core_device *vdev,
*/
ctx->masked = vdev->virq_disabled;
if (vdev->pci_2_3) {
- pci_intx(pdev, !ctx->masked);
+ pci_intx_unmanaged(pdev, !ctx->masked);
irqflags = IRQF_SHARED;
} else {
irqflags = ctx->masked ? IRQF_NO_AUTOEN : 0;
@@ -569,7 +569,7 @@ static void vfio_msi_disable(struct vfio_pci_core_device *vdev, bool msix)
* via their shutdown paths. Restore for NoINTx devices.
*/
if (vdev->nointx)
- pci_intx(pdev, 0);
+ pci_intx_unmanaged(pdev, 0);
vdev->irq_type = VFIO_PCI_NUM_IRQS;
}
--
2.47.0
next prev parent reply other threads:[~2024-10-15 18:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-15 18:51 [PATCH 00/13] Remove implicit devres from pci_intx() Philipp Stanner
2024-10-15 18:51 ` [PATCH 01/13] PCI: Prepare removing " Philipp Stanner
2024-10-31 13:45 ` Thomas Gleixner
2024-11-04 9:26 ` Philipp Stanner
2024-10-15 18:51 ` [PATCH 02/13] ALSA: hda_intel: Use always-managed version of pcim_intx() Philipp Stanner
2024-10-22 14:08 ` Takashi Iwai
2024-10-23 13:50 ` Philipp Stanner
2024-10-23 15:03 ` Takashi Iwai
2024-10-24 8:02 ` Philipp Stanner
2024-10-24 15:43 ` Takashi Iwai
2024-10-25 8:37 ` Philipp Stanner
2024-10-25 8:46 ` Takashi Iwai
2024-10-15 18:51 ` [PATCH 03/13] drivers/xen: Use never-managed version of pci_intx() Philipp Stanner
2024-10-15 18:51 ` [PATCH 04/13] net/ethernet: " Philipp Stanner
2024-10-15 18:51 ` [PATCH 05/13] net/ntb: " Philipp Stanner
2024-10-15 18:51 ` [PATCH 06/13] misc: " Philipp Stanner
2024-10-15 18:51 ` Philipp Stanner [this message]
2024-10-15 18:51 ` [PATCH 08/13] PCI: MSI: " Philipp Stanner
2024-10-15 18:51 ` [PATCH 09/13] ata: Use always-managed " Philipp Stanner
2024-10-16 19:49 ` Sergey Shtylyov
2024-10-17 7:51 ` Niklas Cassel
2024-10-15 18:51 ` [PATCH 10/13] wifi: qtnfmac: use always-managed version of pcim_intx() Philipp Stanner
2024-10-16 9:36 ` Kalle Valo
2024-10-15 18:51 ` [PATCH 11/13] HID: amd_sfh: Use " Philipp Stanner
2024-10-15 18:51 ` [PATCH 12/13] Remove devres from pci_intx() Philipp Stanner
2024-10-15 18:51 ` [PATCH 13/13] PCI: Deprecate pci_intx(), pcim_intx() Philipp Stanner
2024-10-15 19:53 ` Alex Williamson
2024-10-16 6:57 ` Philipp Stanner
2024-10-16 8:43 ` Heiner Kallweit
2024-10-16 8:53 ` Philipp Stanner
2024-10-18 23:45 ` Bjorn Helgaas
2024-10-21 6:47 ` Philipp Stanner
2024-10-16 5:39 ` Greg Kroah-Hartman
2024-10-30 22:17 ` [PATCH 00/13] Remove implicit devres from pci_intx() Bjorn Helgaas
2024-10-31 9:19 ` Takashi Iwai
2024-10-31 9:28 ` Philipp Stanner
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