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authorBjorn Helgaas <bhelgaas@google.com>2025-10-03 12:13:12 -0500
committerBjorn Helgaas <bhelgaas@google.com>2025-10-03 12:13:12 -0500
commit3d56c863189dcf72118326bb4043f24907cc4f5c (patch)
tree2811e5af624660222f8d684ff1aaedbf2f7ddef8 /drivers/pci/pci.h
parentfead6a0b15bf3b33dba877efec6b4e7b4cc4abc3 (diff)
parent60e7b5aa85712f7f2fc75b2e9d28444de88ab47f (diff)
Merge branch 'pci/virtualization'
- Add rescan/remove locking when enabling/disabling SR-IOV, which solves list corruption on s390, where disabling SR-IOV also generates hotplug events (Niklas Schnelle) - Add lockdep assertion in pci_stop_and_remove_bus_device() to catch device removal without appropriate locking (Niklas Schnelle) * pci/virtualization: PCI: Add lockdep assertion in pci_stop_and_remove_bus_device() PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 7e74fe95a44c..c1541cef82bb 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -89,6 +89,8 @@ struct pcie_tlp_log;
extern const unsigned char pcie_link_speed[];
extern bool pci_early_dump;
+extern struct mutex pci_rescan_remove_lock;
+
bool pcie_cap_has_lnkctl(const struct pci_dev *dev);
bool pcie_cap_has_lnkctl2(const struct pci_dev *dev);
bool pcie_cap_has_rtctl(const struct pci_dev *dev);