Somehow vmbus driver is hinged on CONFIG_HYPERV. It appears this is initial code that did not get addressed when the scope of CONFIG_HYPERV went beyond vmbus. This commit creates a fine grained HYPERV_VMBUS option and updates drivers that depend on VMBUS.
Signed-off-by: Mukesh Rathor <mrat...@linux.microsoft.com> --- drivers/gpu/drm/Kconfig | 2 +- drivers/hid/Kconfig | 2 +- drivers/hv/Kconfig | 12 +++++++++--- drivers/hv/Makefile | 2 +- drivers/input/serio/Kconfig | 4 ++-- drivers/net/hyperv/Kconfig | 2 +- drivers/pci/Kconfig | 2 +- drivers/scsi/Kconfig | 2 +- drivers/uio/Kconfig | 2 +- drivers/video/fbdev/Kconfig | 2 +- include/asm-generic/mshyperv.h | 8 +++++--- net/vmw_vsock/Kconfig | 2 +- 12 files changed, 25 insertions(+), 17 deletions(-) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index f7ea8e895c0c..58f34da061c6 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -398,7 +398,7 @@ source "drivers/gpu/drm/imagination/Kconfig" config DRM_HYPERV tristate "DRM Support for Hyper-V synthetic video device" - depends on DRM && PCI && HYPERV + depends on DRM && PCI && HYPERV_VMBUS select DRM_CLIENT_SELECTION select DRM_KMS_HELPER select DRM_GEM_SHMEM_HELPER diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index a57901203aeb..fe3dc8c0db99 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -1162,7 +1162,7 @@ config GREENASIA_FF config HID_HYPERV_MOUSE tristate "Microsoft Hyper-V mouse driver" - depends on HYPERV + depends on HYPERV_VMBUS help Select this option to enable the Hyper-V mouse driver. diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig index 2e8df09db599..08c4ed005137 100644 --- a/drivers/hv/Kconfig +++ b/drivers/hv/Kconfig @@ -44,18 +44,24 @@ config HYPERV_TIMER config HYPERV_UTILS tristate "Microsoft Hyper-V Utilities driver" - depends on HYPERV && CONNECTOR && NLS + depends on HYPERV_VMBUS && CONNECTOR && NLS depends on PTP_1588_CLOCK_OPTIONAL help Select this option to enable the Hyper-V Utilities. config HYPERV_BALLOON tristate "Microsoft Hyper-V Balloon driver" - depends on HYPERV + depends on HYPERV_VMBUS select PAGE_REPORTING help Select this option to enable Hyper-V Balloon driver. +config HYPERV_VMBUS + tristate "Microsoft Hyper-V Vmbus driver" + depends on HYPERV + help + Select this option to enable Hyper-V Vmbus driver. + config MSHV_ROOT tristate "Microsoft Hyper-V root partition support" depends on HYPERV && (X86_64 || ARM64) @@ -75,7 +81,7 @@ config MSHV_ROOT config MSHV_VTL tristate "Microsoft Hyper-V VTL driver" - depends on X86_64 && HYPERV_VTL_MODE + depends on X86_64 && HYPERV_VTL_MODE && HYPERV_VMBUS # Mapping VTL0 memory to a userspace process in VTL2 is supported in OpenHCL. # VTL2 for OpenHCL makes use of Huge Pages to improve performance on VMs, # specially with large memory requirements. diff --git a/drivers/hv/Makefile b/drivers/hv/Makefile index c53a0df746b7..050517756a82 100644 --- a/drivers/hv/Makefile +++ b/drivers/hv/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_HYPERV) += hv_vmbus.o +obj-$(CONFIG_HYPERV_VMBUS) += hv_vmbus.o obj-$(CONFIG_HYPERV_UTILS) += hv_utils.o obj-$(CONFIG_HYPERV_BALLOON) += hv_balloon.o obj-$(CONFIG_MSHV_ROOT) += mshv_root.o diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index 17edc1597446..c7ef347a4dff 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -276,8 +276,8 @@ config SERIO_OLPC_APSP config HYPERV_KEYBOARD tristate "Microsoft Synthetic Keyboard driver" - depends on HYPERV - default HYPERV + depends on HYPERV_VMBUS + default HYPERV_VMBUS help Select this option to enable the Hyper-V Keyboard driver. diff --git a/drivers/net/hyperv/Kconfig b/drivers/net/hyperv/Kconfig index c8cbd85adcf9..982964c1a9fb 100644 --- a/drivers/net/hyperv/Kconfig +++ b/drivers/net/hyperv/Kconfig @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config HYPERV_NET tristate "Microsoft Hyper-V virtual network driver" - depends on HYPERV + depends on HYPERV_VMBUS select UCS2_STRING select NLS help diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 9a249c65aedc..7065a8e5f9b1 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -221,7 +221,7 @@ config PCI_LABEL config PCI_HYPERV tristate "Hyper-V PCI Frontend" - depends on ((X86 && X86_64) || ARM64) && HYPERV && PCI_MSI && SYSFS + depends on ((X86 && X86_64) || ARM64) && HYPERV_VMBUS && PCI_MSI && SYSFS select PCI_HYPERV_INTERFACE select IRQ_MSI_LIB help diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 5522310bab8d..19d0884479a2 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -589,7 +589,7 @@ config XEN_SCSI_FRONTEND config HYPERV_STORAGE tristate "Microsoft Hyper-V virtual storage driver" - depends on SCSI && HYPERV + depends on SCSI && HYPERV_VMBUS depends on m || SCSI_FC_ATTRS != m default HYPERV help diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index b060dcd7c635..6f86a61231e6 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -140,7 +140,7 @@ config UIO_MF624 config UIO_HV_GENERIC tristate "Generic driver for Hyper-V VMBus" - depends on HYPERV + depends on HYPERV_VMBUS help Generic driver that you can bind, dynamically, to any Hyper-V VMBus device. It is useful to provide direct access diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index c21484d15f0c..72c63eaeb983 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -1774,7 +1774,7 @@ config FB_BROADSHEET config FB_HYPERV tristate "Microsoft Hyper-V Synthetic Video support" - depends on FB && HYPERV + depends on FB && HYPERV_VMBUS select DMA_CMA if HAVE_DMA_CONTIGUOUS && CMA select FB_IOMEM_HELPERS_DEFERRED help diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h index 1d2ad1304ad4..66c58c91b530 100644 --- a/include/asm-generic/mshyperv.h +++ b/include/asm-generic/mshyperv.h @@ -165,6 +165,7 @@ static inline u64 hv_generate_guest_id(u64 kernel_version) void __init hv_mark_resources(void); +#if IS_ENABLED(CONFIG_HYPERV_VMBUS) /* Free the message slot and signal end-of-message if required */ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type) { @@ -200,6 +201,10 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type) } } +extern int vmbus_interrupt; +extern int vmbus_irq; +#endif /* CONFIG_HYPERV_VMBUS */ + int hv_get_hypervisor_version(union hv_hypervisor_version_info *info); void hv_setup_vmbus_handler(void (*handler)(void)); @@ -213,9 +218,6 @@ void hv_setup_crash_handler(void (*handler)(struct pt_regs *regs)); void hv_remove_crash_handler(void); void hv_setup_mshv_handler(void (*handler)(void)); -extern int vmbus_interrupt; -extern int vmbus_irq; - #if IS_ENABLED(CONFIG_HYPERV) /* * Hypervisor's notion of virtual processor ID is different from diff --git a/net/vmw_vsock/Kconfig b/net/vmw_vsock/Kconfig index 56356d2980c8..8e803c4828c4 100644 --- a/net/vmw_vsock/Kconfig +++ b/net/vmw_vsock/Kconfig @@ -72,7 +72,7 @@ config VIRTIO_VSOCKETS_COMMON config HYPERV_VSOCKETS tristate "Hyper-V transport for Virtual Sockets" - depends on VSOCKETS && HYPERV + depends on VSOCKETS && HYPERV_VMBUS help This module implements a Hyper-V transport for Virtual Sockets. -- 2.36.1.vfs.0.0