修改内核路径

hc

2024-05-14 bedbef8ad3e75a304af6361af235302bcc61d06b

 kernel/drivers/vhost/Kconfig
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@@ -1,8 +1,36 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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+config VHOST_IOTLB
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+	tristate
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+	help
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+	  Generic IOTLB implementation for vhost and vringh.
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+	  This option is selected by any driver which needs to support
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+	  an IOMMU in software.
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+
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+config VHOST_RING
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+	tristate
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+	select VHOST_IOTLB
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+	help
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+	  This option is selected by any driver which needs to access
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+	  the host side of a virtio ring.
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+
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+config VHOST
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+	tristate
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+	select VHOST_IOTLB
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+	help
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+	  This option is selected by any driver which needs to access
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+	  the core of vhost.
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+
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+menuconfig VHOST_MENU
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+	bool "VHOST drivers"
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+	default y
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+
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+if VHOST_MENU
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+
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 config VHOST_NET
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 	tristate "Host kernel accelerator for virtio net"
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 	depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP)
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 	select VHOST
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-	---help---
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+	help
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 	  This kernel module can be loaded in host kernel to accelerate
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 	  guest networking with virtio_net. Not to be confused with virtio_net
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 	  module itself which needs to be loaded in guest kernel.
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@@ -15,17 +43,17 @@
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 	depends on TARGET_CORE && EVENTFD
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 	select VHOST
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 	default n
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-	---help---
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+	help
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 	Say M here to enable the vhost_scsi TCM fabric module
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 	for use with virtio-scsi guests
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 config VHOST_VSOCK
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 	tristate "vhost virtio-vsock driver"
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 	depends on VSOCKETS && EVENTFD
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-	select VIRTIO_VSOCKETS_COMMON
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 	select VHOST
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+	select VIRTIO_VSOCKETS_COMMON
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 	default n
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-	---help---
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+	help
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 	This kernel module can be loaded in the host kernel to provide AF_VSOCK
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 	sockets for communicating with guests.  The guests must have the
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 	virtio_transport.ko driver loaded to use the virtio-vsock device.
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@@ -33,16 +61,23 @@
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 	To compile this driver as a module, choose M here: the module will be called
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 	vhost_vsock.
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-config VHOST
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-	tristate
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-	---help---
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-	  This option is selected by any driver which needs to access
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-	  the core of vhost.
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+config VHOST_VDPA
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+	tristate "Vhost driver for vDPA-based backend"
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+	depends on EVENTFD
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+	select VHOST
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+	select IRQ_BYPASS_MANAGER
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+	depends on VDPA
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+	help
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+	  This kernel module can be loaded in host kernel to accelerate
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+	  guest virtio devices with the vDPA-based backends.
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+
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+	  To compile this driver as a module, choose M here: the module
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+	  will be called vhost_vdpa.
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 config VHOST_CROSS_ENDIAN_LEGACY
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 	bool "Cross-endian support for vhost"
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 	default n
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-	---help---
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+	help
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 	  This option allows vhost to support guests with a different byte
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 	  ordering from host while using legacy virtio.
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..
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@@ -53,3 +88,5 @@
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 	  adds some overhead, it is disabled by default.
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 	  If unsure, say "N".
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+
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+endif