Re: [PATCH 07/13] s390: make setup_zero_pages() use memblock

On Fri, Mar 07, 2025 at 04:28:15PM +0100, Heiko Carstens wrote: > On Thu, Mar 06, 2025 at 08:51:17PM +0200, Mike Rapoport wrote: > > From: "Mike Rapoport (Microsoft)" > > > > Allocating the zero pages from memblock is simpler because the memory is > > already reserved. > > > > This will also hel

[RFC PATCH 0/3] um: Add VFIO-based PCI passthrough support

This patchset adds a new virt-pci driver to UML that allows users to pass through host PCI devices to UML via VFIO. Currently, only MSI-X capable devices are supported, and drivers are assumed to use MSI-X. This driver has been tested with virtio-net-pci, virtio-blk-pci and nvme in a QEMU virtual

[RFC PATCH 3/3] um: Add VFIO-based virtual PCI driver

Implement a new virtual PCI driver based on the VFIO framework. This driver allows users to pass through PCI devices to UML via VFIO. Currently, only MSI-X capable devices are supported, and it is assumed that drivers will use MSI-X. Signed-off-by: Tiwei Bie --- arch/um/drivers/Kconfig | 8