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authorThomas Gleixner <tglx@linutronix.de>2021-12-06 23:27:54 +0100
committerThomas Gleixner <tglx@linutronix.de>2021-12-09 11:52:22 +0100
commit85aa607e79f8343f1ea028b29bdf8b6bc99c729a (patch)
tree3e4c435cd20a16bf6316f50ac849e56b33f1a105 /include/linux/pci.h
parentaa423ac4221abdfb8588751e7838ca5f42f56db3 (diff)
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PCI/MSI: Sanitize MSI-X table map handling
Unmapping the MSI-X base mapping in the loops which allocate/free MSI descriptors is daft and in the way of allowing runtime expansion of MSI-X descriptors. Store the mapping in struct pci_dev and free it after freeing the MSI-X descriptors. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Juergen Gross <jgross@suse.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://lore.kernel.org/r/20211206210224.871651518@linutronix.de
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 18a75c8e615c..8cb103677f5a 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -473,6 +473,7 @@ struct pci_dev {
u8 ptm_granularity;
#endif
#ifdef CONFIG_PCI_MSI
+ void __iomem *msix_base;
const struct attribute_group **msi_irq_groups;
#endif
struct pci_vpd vpd;