[PATCH V3 11/13] vfio: Use select for eventfd

Yishai Hadas
2021-08-22T14:37:48Z

From: Jason Gunthorpe <jgg@nvidia.com>

If VFIO_VIRQFD is required then turn on eventfd automatically.
The majority of kconfig users of the EVENTFD use select not depends on.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
---
drivers/vfio/Kconfig | 3 ++-
drivers/vfio/fsl-mc/Kconfig | 3 ++-
drivers/vfio/pci/Kconfig | 2 +-
drivers/vfio/platform/Kconfig | 2 +-
4 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig
index e44bf736e2b2..698ca35b3f03 100644
--- a/drivers/vfio/Kconfig
+++ b/drivers/vfio/Kconfig
@@ -16,7 +16,8 @@ config VFIO_SPAPR_EEH

config VFIO_VIRQFD
tristate
- depends on VFIO && EVENTFD
+ depends on VFIO
+ select EVENTFD
default n

menuconfig VFIO
diff --git a/drivers/vfio/fsl-mc/Kconfig b/drivers/vfio/fsl-mc/Kconfig
index b1a527d6b6f2..6df66813c882 100644
--- a/drivers/vfio/fsl-mc/Kconfig
+++ b/drivers/vfio/fsl-mc/Kconfig
@@ -1,6 +1,7 @@
config VFIO_FSL_MC
tristate "VFIO support for QorIQ DPAA2 fsl-mc bus devices"
- depends on VFIO && FSL_MC_BUS && EVENTFD
+ depends on VFIO && FSL_MC_BUS
+ select EVENTFD
help
Driver to enable support for the VFIO QorIQ DPAA2 fsl-mc
(Management Complex) devices. This is required to passthrough
diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig
index 5e2e1b9a9fd3..d208a95a2767 100644
--- a/drivers/vfio/pci/Kconfig
+++ b/drivers/vfio/pci/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PCI
tristate "VFIO support for PCI devices"
- depends on VFIO && PCI && EVENTFD
+ depends on VFIO && PCI
depends on MMU
select VFIO_VIRQFD
select IRQ_BYPASS_MANAGER
diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig
index ab341108a0be..7f78eb96a5d5 100644
--- a/drivers/vfio/platform/Kconfig
+++ b/drivers/vfio/platform/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config VFIO_PLATFORM
tristate "VFIO support for platform devices"
- depends on VFIO && EVENTFD && (ARM || ARM64 || COMPILE_TEST)
+ depends on VFIO && (ARM || ARM64 || COMPILE_TEST)
select VFIO_VIRQFD
help
Support for platform devices with VFIO. This is required to make
--
2.18.1