On Wed, 23 Oct 2024 14:44:19 +0200
Cédric Le Goater wrote:
> On 10/22/24 22:08, Alex Williamson wrote:
> > Thanks to work by Peter Xu, support is introduced in Linux v6.12 to
> > allow pfnmap insertions at PMD and PUD levels of the page table. This
> > means that provided a properly aligned mmap
On 10/22/24 22:08, Alex Williamson wrote:
Thanks to work by Peter Xu, support is introduced in Linux v6.12 to
allow pfnmap insertions at PMD and PUD levels of the page table. This
means that provided a properly aligned mmap, the vfio driver is able
to map MMIO at significantly larger intervals t
On Tue, Oct 22, 2024 at 02:08:29PM -0600, Alex Williamson wrote:
> Thanks to work by Peter Xu, support is introduced in Linux v6.12 to
> allow pfnmap insertions at PMD and PUD levels of the page table. This
> means that provided a properly aligned mmap, the vfio driver is able
> to map MMIO at sig
Thanks to work by Peter Xu, support is introduced in Linux v6.12 to
allow pfnmap insertions at PMD and PUD levels of the page table. This
means that provided a properly aligned mmap, the vfio driver is able
to map MMIO at significantly larger intervals than PAGE_SIZE. For
example on x86_64 (the o
