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2a55ca3735
zap_vma_ptes() is only available when CONFIG_MMU is set/enabled.
Without CONFIG_MMU, vfio_pci.o has build errors, so make
VFIO_PCI depend on MMU.
riscv64-linux-ld: drivers/vfio/pci/vfio_pci.o: in function `vfio_pci_mmap_open':
vfio_pci.c:(.text+0x1ec): undefined reference to `zap_vma_ptes'
riscv64-linux-ld: drivers/vfio/pci/vfio_pci.o: in function `.L0 ':
vfio_pci.c:(.text+0x165c): undefined reference to `zap_vma_ptes'
Fixes: 11c4cd07ba ("vfio-pci: Fault mmaps to enable vma tracking")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Cornelia Huck <cohuck@redhat.com>
Cc: kvm@vger.kernel.org
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210515190856.2130-1-rdunlap@infradead.org>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
43 lines
1.2 KiB
Plaintext
43 lines
1.2 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config VFIO_PCI
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tristate "VFIO support for PCI devices"
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depends on VFIO && PCI && EVENTFD
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depends on MMU
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select VFIO_VIRQFD
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select IRQ_BYPASS_MANAGER
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help
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Support for the PCI VFIO bus driver. This is required to make
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use of PCI drivers using the VFIO framework.
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If you don't know what to do here, say N.
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config VFIO_PCI_VGA
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bool "VFIO PCI support for VGA devices"
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depends on VFIO_PCI && X86 && VGA_ARB
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help
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Support for VGA extension to VFIO PCI. This exposes an additional
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region on VGA devices for accessing legacy VGA addresses used by
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BIOS and generic video drivers.
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If you don't know what to do here, say N.
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config VFIO_PCI_MMAP
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depends on VFIO_PCI
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def_bool y if !S390
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config VFIO_PCI_INTX
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depends on VFIO_PCI
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def_bool y if !S390
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config VFIO_PCI_IGD
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bool "VFIO PCI extensions for Intel graphics (GVT-d)"
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depends on VFIO_PCI && X86
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default y
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help
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Support for Intel IGD specific extensions to enable direct
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assignment to virtual machines. This includes exposing an IGD
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specific firmware table and read-only copies of the host bridge
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and LPC bridge config space.
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To enable Intel IGD assignment through vfio-pci, say Y.
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