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Message-ID: <20241015185124.64726-8-pstanner@redhat.com>
Date: Tue, 15 Oct 2024 20:51:17 +0200
From: Philipp Stanner <pstanner@...hat.com>
To: Damien Le Moal <dlemoal@...nel.org>,
Niklas Cassel <cassel@...nel.org>,
Sergey Shtylyov <s.shtylyov@....ru>,
Basavaraj Natikar <basavaraj.natikar@....com>,
Jiri Kosina <jikos@...nel.org>,
Benjamin Tissoires <bentiss@...nel.org>,
Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alex Dubov <oakad@...oo.com>,
Sudarsana Kalluru <skalluru@...vell.com>,
Manish Chopra <manishc@...vell.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Rasesh Mody <rmody@...vell.com>,
GR-Linux-NIC-Dev@...vell.com,
Igor Mitsyanko <imitsyanko@...ntenna.com>,
Sergey Matyukevich <geomatsi@...il.com>,
Kalle Valo <kvalo@...nel.org>,
Sanjay R Mehta <sanju.mehta@....com>,
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Bjorn Helgaas <bhelgaas@...gle.com>,
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Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Chen Ni <nichen@...as.ac.cn>,
Mario Limonciello <mario.limonciello@....com>,
Philipp Stanner <pstanner@...hat.com>,
Ricky Wu <ricky_wu@...ltek.com>,
Al Viro <viro@...iv.linux.org.uk>,
Breno Leitao <leitao@...ian.org>,
Kevin Tian <kevin.tian@...el.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Mostafa Saleh <smostafa@...gle.com>,
Jason Gunthorpe <jgg@...pe.ca>,
Yi Liu <yi.l.liu@...el.com>,
Christian Brauner <brauner@...nel.org>,
Ankit Agrawal <ankita@...dia.com>,
Eric Auger <eric.auger@...hat.com>,
Reinette Chatre <reinette.chatre@...el.com>,
Ye Bin <yebin10@...wei.com>,
Marek Marczykowski-Górecki <marmarek@...isiblethingslab.com>,
Pierre-Louis Bossart <pierre-louis.bossart@...ux.dev>,
Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
Rui Salvaterra <rsalvaterra@...il.com>
Cc: linux-ide@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-input@...r.kernel.org,
netdev@...r.kernel.org,
linux-wireless@...r.kernel.org,
ntb@...ts.linux.dev,
linux-pci@...r.kernel.org,
kvm@...r.kernel.org,
xen-devel@...ts.xenproject.org,
linux-sound@...r.kernel.org
Subject: [PATCH 07/13] vfio/pci: Use never-managed version of pci_intx()
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@...hat.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
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