Hi Linus,
The big chunk here is the paravirtual front-end for Linux guests of a
Microsoft Hyper-V VM. It's new, so no risk of regressions to pci-hyperv
itself. It does include minor changes to common code, but they are
low-risk.
This also reverts a few pieces of the recent IOAPIC hotplug work because
they caused a regression for existing drivers that require IRQs to be
enabled for upstream bridges.
Finally, explicitly restrict the MVEBU driver to 32-bit ARM because it uses
some PCI glue only available there. It depends on ARCH_MVEBU, which used
to be 32-bit ARM only but is now becoming available for 64-bit ARM.
Bjorn
The following changes since commit 0cf1337e0b83c16de4e7e98dad3a6afce6043fea:
PCI: rcar: Add device tree support for r8a7793 (2016-02-05 14:13:53 -0600)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git tags/pci-v4.5-fixes-2
for you to fetch changes up to 2f8f01f7e495901042339a333d4385ed5b1e426a:
Merge branch 'pci/host-hv' into for-linus (2016-02-27 08:52:36 -0600)
----------------------------------------------------------------
PCI updates for v4.5:
Enumeration
Revert x86 pcibios_alloc_irq() to fix regression (Bjorn Helgaas)
Marvell MVEBU host bridge driver
Restrict build to 32-bit ARM (Thierry Reding)
Microsoft Hyper-V host bridge driver
Add paravirtual front-end for guests of Microsoft Hyper-V VMs (Jake Oshins)
----------------------------------------------------------------
Bjorn Helgaas (4):
Revert "x86/PCI: Don't alloc pcibios-irq when MSI is enabled"
Revert "PCI: Add helpers to manage pci_dev->irq and pci_dev->irq_managed"
Revert "PCI, x86: Implement pcibios_alloc_irq() and pcibios_free_irq()"
Merge branch 'pci/host-hv' into for-linus
Jake Oshins (3):
PCI: Add fwnode_handle to x86 pci_sysdata
PCI: Look up IRQ domain by fwnode_handle
PCI: hv: Add paravirtual PCI front-end for Microsoft Hyper-V VMs
Thierry Reding (1):
PCI: mvebu: Restrict build to 32-bit ARM
MAINTAINERS | 1 +
arch/x86/include/asm/pci.h | 15 +
arch/x86/include/asm/pci_x86.h | 2 +
arch/x86/pci/common.c | 26 +-
arch/x86/pci/intel_mid_pci.c | 9 +-
arch/x86/pci/irq.c | 23 +-
drivers/acpi/pci_irq.c | 17 +-
drivers/pci/Kconfig | 7 +
drivers/pci/host/Kconfig | 1 +
drivers/pci/host/Makefile | 1 +
drivers/pci/host/pci-hyperv.c | 2346 ++++++++++++++++++++++++++++++++++++++++
drivers/pci/probe.c | 15 +
include/linux/pci.h | 21 +-
13 files changed, 2437 insertions(+), 47 deletions(-)
create mode 100644 drivers/pci/host/pci-hyperv.c
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