Merge tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - two small cleanup patches

 - a fix for PCI passthrough under Xen

 - a four patch series speeding up virtio under Xen with user space
   backends

* tag 'for-linus-6.7-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen-pciback: Consider INTx disabled when MSI/MSI-X is enabled
  xen: privcmd: Add support for ioeventfd
  xen: evtchn: Allow shared registration of IRQ handers
  xen: irqfd: Use _IOW instead of the internal _IOC() macro
  xen: Make struct privcmd_irqfd's layout architecture independent
  xen/xenbus: Add __counted_by for struct read_buffer and use struct_size()
  xenbus: fix error exit in xenbus_init()