[PATCH AUTOSEL for 4.9 093/100] vfio/pci: Virtualize Maximum Payload Size

2017-12-12 Thread alexander . levin
From: Alex Williamson [ Upstream commit 523184972b282cd9ca17a76f6ca4742394856818 ] With virtual PCI-Express chipsets, we now see userspace/guest drivers trying to match the physical MPS setting to a virtual downstream port. Of course a lone physical device surrounded

[PATCH AUTOSEL for 4.9 093/100] vfio/pci: Virtualize Maximum Payload Size

2017-12-12 Thread alexander . levin
From: Alex Williamson [ Upstream commit 523184972b282cd9ca17a76f6ca4742394856818 ] With virtual PCI-Express chipsets, we now see userspace/guest drivers trying to match the physical MPS setting to a virtual downstream port. Of course a lone physical device surrounded by virtual interconnects