linux-kernel - [GIT PULL] VFIO updates for v6.10-rc1

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Message-ID: <20240520121223.5be06e39.alex.williamson@redhat.com>
Date: Mon, 20 May 2024 12:12:23 -0600
From: Alex Williamson <alex.williamson@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] VFIO updates for v6.10-rc1

Hi Linus,

I've provided the simplified diffstat from a temporary merge branch to
avoid the noise of merging QAT dependencies from a branch provided by
Herbert.  The dependencies were already merged in commit 84c7d76b5ab6
("Merge tag 'v6.10-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6")
Thanks,

Alex

The following changes since commit ed30a4a51bb196781c8058073ea720133a65596f:

  Linux 6.9-rc5 (2024-04-21 12:35:54 -0700)

are available in the Git repository at:

  https://github.com/awilliam/linux-vfio.git tags/vfio-v6.10-rc1

for you to fetch changes up to cbb325e77fbe62a06184175aa98c9eb98736c3e8:

  vfio/pci: Restore zero affected bus reset devices warning (2024-05-17 08:00:52 -0600)

----------------------------------------------------------------
VFIO updates for v6.10-rc1

 - The vfio fsl-mc bus driver has become orphaned.  We'll consider
   removing it in future releases if a new maintainer isn't found.
   (Alex Williamson)

 - Improved usage of opaque data in vfio-pci INTx handling,
   avoiding lookups of the eventfd through the interrupt and
   irqfd runtime paths. (Alex Williamson)

 - Resolve an error path memory leak introduced in vfio-pci
   interrupt code. (Ye Bin)

 - Addition of interrupt support for vfio devices exposed on the
   CDX bus, including a new MSI allocation helper and export of
   existing helpers for MSI alloc and free. (Nipun Gupta)

 - A new vfio-pci variant driver supporting migration of Intel
   QAT VF devices for the GEN4 PFs. (Xin Zeng & Yahui Cao)

 - Resolve a possibly circular locking dependency in vfio-pci
   by avoiding copy_to_user() from a PCI bus walk callback.
   (Alex Williamson)

 - Trivial docs update to remove a duplicate semicolon.
   (Foryun Ma)

----------------------------------------------------------------
Alex Williamson (6):
      MAINTAINERS: Orphan vfio fsl-mc bus driver
      vfio/pci: Pass eventfd context to IRQ handler
      vfio/pci: Pass eventfd context object through irqfd
      Merge branch 'vfio' of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6 into v6.10/vfio/qat-v7
      vfio/pci: Collect hot-reset devices to local buffer
      vfio/pci: Restore zero affected bus reset devices warning

Nipun Gupta (2):
      genirq/msi: Add MSI allocation helper and export MSI functions
      vfio/cdx: add interrupt support

Xin Zeng (1):
      vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices

Ye Bin (1):
      vfio/pci: fix potential memory leak in vfio_intx_enable()

foryun.ma (1):
      vfio: remove an extra semicolon

 Documentation/driver-api/vfio.rst |   2 +-
 MAINTAINERS                       |  11 +-
 drivers/vfio/cdx/Makefile         |   2 +-
 drivers/vfio/cdx/intr.c           | 217 ++++++++++++
 drivers/vfio/cdx/main.c           |  63 +++-
 drivers/vfio/cdx/private.h        |  18 +
 drivers/vfio/pci/Kconfig          |   2 +
 drivers/vfio/pci/Makefile         |   2 +
 drivers/vfio/pci/qat/Kconfig      |  12 +
 drivers/vfio/pci/qat/Makefile     |   3 +
 drivers/vfio/pci/qat/main.c       | 702 ++++++++++++++++++++++++++++++++++++++
 drivers/vfio/pci/vfio_pci_core.c  |  81 +++--
 drivers/vfio/pci/vfio_pci_intrs.c |  61 ++--
 include/linux/msi.h               |   6 +
 kernel/irq/msi.c                  |   2 +
 15 files changed, 1116 insertions(+), 68 deletions(-)
 create mode 100644 drivers/vfio/cdx/intr.c
 create mode 100644 drivers/vfio/pci/qat/Kconfig
 create mode 100644 drivers/vfio/pci/qat/Makefile
 create mode 100644 drivers/vfio/pci/qat/main.c