Hi Christoph, This thread looks like it might be a typo. It doesn't use any of the new PCI MSI stuff. Looks like the cover letter from the PCI MSI patches, but the actual patches are from a different series? On Thu, Jul 21, 2016 at 04:30:20PM +0200, Christoph Hellwig wrote: > This series adds a new set of functions that transparently use the right > type of interrupt (MSI-X, MSI, legacy interrupt line) for a PCI device, > and if multiple vectors are supported automatically spreads the irq > routing to different CPUs. This will allow the block layer (and hopefully > other consumers in the future) to use this information for mapping > queues to fit the interrupt affinity. > > For the last patche to work you need to merge the irq/for-block branch of > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > > first. > > There also is a git tree available at: > > git://git.infradead.org/users/hch/block.git pci-irq-spreading > > Gitweb: > > http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/pci-irq-spreading > > Since the previous post of V2 I've only added the Reviewed-by: tags from > Alexander. > > Changes since V1 > - change return values for the minmum vector check > - improve the documentation > > Changes since automatic interrupt affinity for MSI/MSI-X capable devices V3: > - add PCI_IRQ_NOLEGACY flag > - various error code fixes > - reuse the pci_enable_msi(x)_range code instead of duplicating it > - don't allocate msix_entry structures for the MSI-X case > > -- > 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 -- 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