Re: [RFC PATCH v5 5/5] vfio-pci: Allow to expose MSI-X table to userspace when safe

2017-08-09 Thread David Gibson
On Mon, Aug 07, 2017 at 05:25:48PM +1000, Alexey Kardashevskiy wrote: 1;4803;0c> Some devices have a MSIX BAR not aligned to the system page size > greater than 4K (like 64k for ppc64) which at the moment prevents > such MMIO pages from being mapped to the userspace for the sake of > the MSIX BAR

Re: [RFC PATCH v5 5/5] vfio-pci: Allow to expose MSI-X table to userspace when safe

2017-08-09 Thread David Gibson
On Mon, Aug 07, 2017 at 05:25:48PM +1000, Alexey Kardashevskiy wrote: 1;4803;0c> Some devices have a MSIX BAR not aligned to the system page size > greater than 4K (like 64k for ppc64) which at the moment prevents > such MMIO pages from being mapped to the userspace for the sake of > the MSIX BAR