diff --git a/patches.kernel.org/6.2.12-113-PCI-MSI-Provide-missing-stub-for-pci_msix_can_.patch b/patches.kernel.org/6.2.12-113-PCI-MSI-Provide-missing-stub-for-pci_msix_can_.patch new file mode 100644 index 0000000..ff6d324 --- /dev/null +++ b/patches.kernel.org/6.2.12-113-PCI-MSI-Provide-missing-stub-for-pci_msix_can_.patch @@ -0,0 +1,54 @@ +From: Reinette Chatre +Date: Wed, 29 Mar 2023 13:13:11 -0700 +Subject: [PATCH] PCI/MSI: Provide missing stub for pci_msix_can_alloc_dyn() +References: bsc#1012628 +Patch-mainline: 6.2.12 +Git-commit: 195d8e5da3acb17c5357526494f818a21e97cd10 + +commit 195d8e5da3acb17c5357526494f818a21e97cd10 upstream. + +pci_msix_can_alloc_dyn() is not declared when CONFIG_PCI_MSI is disabled. + +There is no existing user of pci_msix_can_alloc_dyn() but work is in +progress to change this. This work encounters the following error when +CONFIG_PCI_MSI is disabled: + + drivers/vfio/pci/vfio_pci_intrs.c:427:21: error: implicit declaration of function 'pci_msix_can_alloc_dyn' [-Werror=implicit-function-declaration] + +Provide definition for pci_msix_can_alloc_dyn() in preparation for users +that need to compile when CONFIG_PCI_MSI is disabled. + +[bhelgaas: Also reported by Arnd Bergmann in +drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c; added his Fixes: line] + +Fixes: fb0a6a268dcd ("net/mlx5: Provide external API for allocating vectors") +Fixes: 34026364df8e ("PCI/MSI: Provide post-enable dynamic allocation interfaces for MSI-X") +Link: https://lore.kernel.org/oe-kbuild-all/202303291000.PWFqGCxH-lkp@intel.com/ +Link: https://lore.kernel.org/r/310ecc4815dae4174031062f525245f0755c70e2.1680119924.git.reinette.chatre@intel.com +Reported-by: kernel test robot +Signed-off-by: Reinette Chatre +Signed-off-by: Bjorn Helgaas +Reviewed-by: Kuppuswamy Sathyanarayanan +Cc: stable@vger.kernel.org # v6.2+ +Signed-off-by: Greg Kroah-Hartman +Signed-off-by: Jiri Slaby +--- + include/linux/pci.h | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/include/linux/pci.h b/include/linux/pci.h +index db6ec828..7e8e8633 100644 +--- a/include/linux/pci.h ++++ b/include/linux/pci.h +@@ -1623,6 +1623,8 @@ pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs, + flags, NULL); + } + ++static inline bool pci_msix_can_alloc_dyn(struct pci_dev *dev) ++{ return false; } + static inline struct msi_map pci_msix_alloc_irq_at(struct pci_dev *dev, unsigned int index, + const struct irq_affinity_desc *affdesc) + { +-- +2.35.3 + diff --git a/series.conf b/series.conf index 279df63..45bd64d 100644 --- a/series.conf +++ b/series.conf @@ -2340,6 +2340,7 @@ patches.kernel.org/6.2.12-110-thermal-intel-Avoid-updating-unsupported-THERM.patch patches.kernel.org/6.2.12-111-drm-amd-pm-correct-the-pcie-link-state-check-f.patch patches.kernel.org/6.2.12-112-PCI-Fix-use-after-free-in-pci_bus_release_doma.patch + patches.kernel.org/6.2.12-113-PCI-MSI-Provide-missing-stub-for-pci_msix_can_.patch ######################################################## # Build fixes that apply to the vanilla kernel too.