summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2023-01-10 10:10:07 +0100
committerAlex Williamson <alex.williamson@redhat.com>2023-01-23 11:26:29 -0700
commit8bf8c5ee1f3863d944c1d8c29335f0c790b4f851 (patch)
tree0acaf6ba055e2b2f6e8fbfbc65934e6a66ad6275
parent6b182403ee45ed579db544d074d2acf344025f71 (diff)
downloadlinux-8bf8c5ee1f3863d944c1d8c29335f0c790b4f851.tar.gz
linux-8bf8c5ee1f3863d944c1d8c29335f0c790b4f851.tar.bz2
linux-8bf8c5ee1f3863d944c1d8c29335f0c790b4f851.zip
vfio-mdev: turn VFIO_MDEV into a selectable symbol
VFIO_MDEV is just a library with helpers for the drivers. Stop making it a user choice and just select it by the drivers that use the helpers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com> Link: https://lore.kernel.org/r/20230110091009.474427-3-hch@lst.de Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
-rw-r--r--Documentation/s390/vfio-ap.rst1
-rw-r--r--arch/s390/Kconfig6
-rw-r--r--arch/s390/configs/debug_defconfig1
-rw-r--r--arch/s390/configs/defconfig1
-rw-r--r--drivers/gpu/drm/i915/Kconfig2
-rw-r--r--drivers/vfio/mdev/Kconfig8
-rw-r--r--samples/Kconfig6
7 files changed, 9 insertions, 16 deletions
diff --git a/Documentation/s390/vfio-ap.rst b/Documentation/s390/vfio-ap.rst
index 00f4a04f6d4c..d46e98c7c1ec 100644
--- a/Documentation/s390/vfio-ap.rst
+++ b/Documentation/s390/vfio-ap.rst
@@ -553,7 +553,6 @@ These are the steps:
* ZCRYPT
* S390_AP_IOMMU
* VFIO
- * VFIO_MDEV
* KVM
If using make menuconfig select the following to build the vfio_ap module::
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 7fd08755a1f9..85d2fe264d3d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -713,7 +713,8 @@ config EADM_SCH
config VFIO_CCW
def_tristate n
prompt "Support for VFIO-CCW subchannels"
- depends on S390_CCW_IOMMU && VFIO_MDEV
+ depends on S390_CCW_IOMMU
+ select VFIO_MDEV
help
This driver allows usage of I/O subchannels via VFIO-CCW.
@@ -723,7 +724,8 @@ config VFIO_CCW
config VFIO_AP
def_tristate n
prompt "VFIO support for AP devices"
- depends on S390_AP_IOMMU && VFIO_MDEV && KVM
+ depends on S390_AP_IOMMU && KVM
+ select VFIO_MDEV
depends on ZCRYPT
help
This driver grants access to Adjunct Processor (AP) devices
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 74b35ec2ad28..3c68fe49042c 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -594,7 +594,6 @@ CONFIG_SYNC_FILE=y
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
CONFIG_MLX5_VFIO_PCI=m
-CONFIG_VFIO_MDEV=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
diff --git a/arch/s390/configs/defconfig b/arch/s390/configs/defconfig
index cec71268e3bc..9ab91632f74c 100644
--- a/arch/s390/configs/defconfig
+++ b/arch/s390/configs/defconfig
@@ -583,7 +583,6 @@ CONFIG_SYNC_FILE=y
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
CONFIG_MLX5_VFIO_PCI=m
-CONFIG_VFIO_MDEV=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
index 3efce05d7b57..d06da455253c 100644
--- a/drivers/gpu/drm/i915/Kconfig
+++ b/drivers/gpu/drm/i915/Kconfig
@@ -116,9 +116,9 @@ config DRM_I915_GVT_KVMGT
depends on X86
depends on 64BIT
depends on KVM
- depends on VFIO_MDEV
select DRM_I915_GVT
select KVM_EXTERNAL_WRITE_TRACKING
+ select VFIO_MDEV
help
Choose this option if you want to enable Intel GVT-g graphics
diff --git a/drivers/vfio/mdev/Kconfig b/drivers/vfio/mdev/Kconfig
index 646dbed44eb2..e5fb84e07965 100644
--- a/drivers/vfio/mdev/Kconfig
+++ b/drivers/vfio/mdev/Kconfig
@@ -1,10 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_MDEV
- tristate "Mediated device driver framework"
- default n
- help
- Provides a framework to virtualize devices.
- See Documentation/driver-api/vfio-mediated-device.rst for more details.
-
- If you don't know what do here, say N.
+ tristate
diff --git a/samples/Kconfig b/samples/Kconfig
index f1b8d4ff1230..56b191d128d8 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -185,14 +185,14 @@ config SAMPLE_UHID
config SAMPLE_VFIO_MDEV_MTTY
tristate "Build VFIO mtty example mediated device sample code"
- depends on VFIO_MDEV
+ select VFIO_MDEV
help
Build a virtual tty sample driver for use as a VFIO
mediated device
config SAMPLE_VFIO_MDEV_MDPY
tristate "Build VFIO mdpy example mediated device sample code"
- depends on VFIO_MDEV
+ select VFIO_MDEV
help
Build a virtual display sample driver for use as a VFIO
mediated device. It is a simple framebuffer and supports
@@ -209,7 +209,7 @@ config SAMPLE_VFIO_MDEV_MDPY_FB
config SAMPLE_VFIO_MDEV_MBOCHS
tristate "Build VFIO mdpy example mediated device sample code"
- depends on VFIO_MDEV
+ select VFIO_MDEV
select DMA_SHARED_BUFFER
help
Build a virtual display sample driver for use as a VFIO