linux-kernel - [GIT PULL] VFIO updates for v6.15-rc1

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Message-ID: <20250331130550.2f9ba79e.alex.williamson@redhat.com>
Date: Mon, 31 Mar 2025 13:05:50 -0600
From: Alex Williamson <alex.williamson@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: <linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org"
 <kvm@...r.kernel.org>
Subject: [GIT PULL] VFIO updates for v6.15-rc1

Hi Linus,

The following changes since commit d082ecbc71e9e0bf49883ee4afd435a77a5101b6:

  Linux 6.14-rc4 (2025-02-23 12:32:57 -0800)

are available in the Git repository at:

  https://github.com/awilliam/linux-vfio.git tags/vfio-v6.15-rc1

for you to fetch changes up to 860be250fc32de9cb24154bf21b4e36f40925707:

  vfio/pci: Handle INTx IRQ_NOTCONNECTED (2025-03-17 15:15:17 -0600)

----------------------------------------------------------------
VFIO updates for v6.15-rc1

 - Relax IGD support code to match display class device rather than
   specifically requiring a VGA device. (Tomita Moeko)

 - Accelerate DMA mapping of device MMIO by iterating at PMD and PUD
   levels to take advantage of huge pfnmap support added in v6.12.
   (Alex Williamson)

 - Extend virtio vfio-pci variant driver to include migration support
   for block devices where enabled by the PF. (Yishai Hadas)

 - Virtualize INTx PIN register for devices where the platform does
   not route legacy PCI interrupts for the device and the interrupt
   is reported as IRQ_NOTCONNECTED. (Alex Williamson)

----------------------------------------------------------------
Alex Williamson (7):
      vfio/type1: Catch zero from pin_user_pages_remote()
      vfio/type1: Convert all vaddr_get_pfns() callers to use vfio_batch
      vfio/type1: Use vfio_batch for vaddr_get_pfns()
      vfio/type1: Use consistent types for page counts
      mm: Provide address mask in struct follow_pfnmap_args
      vfio/type1: Use mapping page mask for pfnmaps
      vfio/pci: Handle INTx IRQ_NOTCONNECTED

Tomita Moeko (1):
      vfio/pci: match IGD devices in display controller class

Yishai Hadas (1):
      vfio/virtio: Enable support for virtio-block live migration

 drivers/vfio/pci/vfio_pci.c         |   4 +-
 drivers/vfio/pci/vfio_pci_config.c  |   3 +-
 drivers/vfio/pci/vfio_pci_core.c    |  10 +--
 drivers/vfio/pci/vfio_pci_igd.c     |   6 ++
 drivers/vfio/pci/vfio_pci_intrs.c   |   2 +-
 drivers/vfio/pci/vfio_pci_priv.h    |   6 ++
 drivers/vfio/pci/virtio/Kconfig     |   6 +-
 drivers/vfio/pci/virtio/legacy_io.c |   4 +-
 drivers/vfio/pci/virtio/main.c      |   5 +-
 drivers/vfio/vfio_iommu_type1.c     | 123 ++++++++++++++++++++++--------------
 include/linux/mm.h                  |   2 +
 mm/memory.c                         |   1 +
 12 files changed, 106 insertions(+), 66 deletions(-)