On 11/07/17 16:57, Michael S. Tsirkin wrote: > On Tue, Jul 11, 2017 at 06:51:50PM +0300, Marcel Apfelbaum wrote: >> On 11/07/2017 18:31, Michael S. Tsirkin wrote: >>> On Fri, Jul 07, 2017 at 08:43:59AM +0100, Mark Cave-Ayland wrote: >>>> For some machines it is impossible to plug devices into a particular PCI >>>> bus >>>> slot, e.g. for a real Ultra 5 there are 2 PCI bridges attached to the root >>>> bus behind which all devices must be plugged. Ignoring this rule will cause >>>> problems with interrupt routing since the interrupt numbers are calculated >>>> based upon PCI bridge id and secondary PCI bus slot id. >>>> >>>> This patchset adds a new dev_reserved_mask property to PCIBus which is a >>>> bitmask used to indicate whether PCI bus slots are reserved, i.e. they >>>> cannot >>>> be used for hot or cold plugging on a particular PCI bus. >>>> >>>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> >>> >> >> Hi Michael, >> >>> Could you please point me at series making use of this >>> functionality? >> >> There is a discussion upstream, I am not aware of patches yet. >> >> https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg00771.html >> >> Thanks, >> Marcel > > It is probably a good idea to defer merging this patchset > until there's an agreement on how it will be used.
I have a local patchset that uses it, but it has been held up by the on-going issues with the fw_cfg patchset upon which it is also dependent. I will try and find some time this evening to rebase the patchset and send it out as I am aware that freeze is coming up soon. ATB, Mark.
