On 27/10/14 02:44, Yijing Wang wrote: > Commit 0e4ccb1505a9 ("PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()") > introduced two __weak arch functions arch_msix_mask_irq() and > arch_msi_mask_irq() to work around a bug when running xen in x86. > These two functions made msi code more complex. We have introduced > a global flag to ignore MSI mask to fix the issue in previous patch, > so we can revert the commit safely. This patch is also preparation > to use MSI chip framework instead of weak arch MSI functions in all > platforms. Because s390 MSI also use default_msi_mask_irq() functions > introduced by commit 0e4ccb1505a9. We keep default_msi_mask_irq() > and default_msix_mask_irq() temporarily. They will be removed in later > patch. Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx> David -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html