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+# SPDX-License-Identifier: GPL-2.0-only
+menuconfig SAMPLES
+ bool "Sample kernel code"
+ help
+ You can build and test sample kernel code here.
+
+if SAMPLES
+
+config SAMPLE_AUXDISPLAY
+ bool "auxdisplay sample"
+ depends on CC_CAN_LINK
+
+config SAMPLE_TRACE_EVENTS
+ tristate "Build trace_events examples -- loadable modules only"
+ depends on EVENT_TRACING && m
+ help
+ This builds the trace event example module.
+
+config SAMPLE_TRACE_CUSTOM_EVENTS
+ tristate "Build custom trace event example -- loadable modules only"
+ depends on EVENT_TRACING && m
+ help
+ This builds the custom trace event example module.
+
+config SAMPLE_TRACE_PRINTK
+ tristate "Build trace_printk module - tests various trace_printk formats"
+ depends on EVENT_TRACING && m
+ help
+ This builds a module that calls trace_printk() and can be used to
+ test various trace_printk() calls from a module.
+
+config SAMPLE_FTRACE_DIRECT
+ tristate "Build register_ftrace_direct() example"
+ depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
+ depends on HAVE_SAMPLE_FTRACE_DIRECT
+ help
+ This builds an ftrace direct function example
+ that hooks to wake_up_process and prints the parameters.
+
+config SAMPLE_FTRACE_DIRECT_MULTI
+ tristate "Build register_ftrace_direct() on multiple ips example"
+ depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
+ depends on HAVE_SAMPLE_FTRACE_DIRECT_MULTI
+ help
+ This builds an ftrace direct function example
+ that hooks to wake_up_process and schedule, and prints
+ the function addresses.
+
+config SAMPLE_FTRACE_OPS
+ tristate "Build custom ftrace ops example"
+ depends on FUNCTION_TRACER
+ help
+ This builds an ftrace ops example that hooks two functions and
+ measures the time taken to invoke one function a number of times.
+
+config SAMPLE_TRACE_ARRAY
+ tristate "Build sample module for kernel access to Ftrace instancess"
+ depends on EVENT_TRACING && m
+ help
+ This builds a module that demonstrates the use of various APIs to
+ access Ftrace instances from within the kernel.
+
+config SAMPLE_KOBJECT
+ tristate "Build kobject examples"
+ help
+ This config option will allow you to build a number of
+ different kobject sample modules showing how to use kobjects,
+ ksets, and ktypes properly.
+
+ If in doubt, say "N" here.
+
+config SAMPLE_KPROBES
+ tristate "Build kprobes examples -- loadable modules only"
+ depends on KPROBES && m
+ help
+ This build several kprobes example modules.
+
+config SAMPLE_KRETPROBES
+ tristate "Build kretprobes example -- loadable modules only"
+ default m
+ depends on SAMPLE_KPROBES && KRETPROBES
+
+config SAMPLE_HW_BREAKPOINT
+ tristate "Build kernel hardware breakpoint examples -- loadable module only"
+ depends on HAVE_HW_BREAKPOINT && m
+ help
+ This builds kernel hardware breakpoint example modules.
+
+config SAMPLE_FPROBE
+ tristate "Build fprobe examples -- loadable modules only"
+ depends on FPROBE && m
+ help
+ This builds a fprobe example module. This module has an option 'symbol'.
+ You can specify a probed symbol or symbols separated with ','.
+
+config SAMPLE_KFIFO
+ tristate "Build kfifo examples -- loadable modules only"
+ depends on m
+ help
+ This config option will allow you to build a number of
+ different kfifo sample modules showing how to use the
+ generic kfifo API.
+
+ If in doubt, say "N" here.
+
+config SAMPLE_KDB
+ tristate "Build kdb command example -- loadable modules only"
+ depends on KGDB_KDB && m
+ help
+ Build an example of how to dynamically add the hello
+ command to the kdb shell.
+
+config SAMPLE_QMI_CLIENT
+ tristate "Build qmi client sample -- loadable modules only"
+ depends on m
+ depends on ARCH_QCOM
+ depends on NET
+ select QCOM_QMI_HELPERS
+ help
+ Build an QMI client sample driver, which demonstrates how to
+ communicate with a remote QRTR service, using QMI encoded messages.
+
+config SAMPLE_RPMSG_CLIENT
+ tristate "Build rpmsg client sample -- loadable modules only"
+ depends on RPMSG && m
+ help
+ Build an rpmsg client sample driver, which demonstrates how
+ to communicate with an AMP-configured remote processor over
+ the rpmsg bus.
+
+config SAMPLE_LIVEPATCH
+ tristate "Build live patching samples -- loadable modules only"
+ depends on LIVEPATCH && m
+ help
+ Build sample live patch demonstrations.
+
+config SAMPLE_CONFIGFS
+ tristate "Build configfs patching sample -- loadable modules only"
+ depends on CONFIGFS_FS && m
+ help
+ Builds a sample configfs interface.
+
+config SAMPLE_CONNECTOR
+ tristate "Build connector sample -- loadable modules only"
+ depends on CONNECTOR && HEADERS_INSTALL && m
+ help
+ When enabled, this builds both a sample kernel module for
+ the connector interface and a user space tool to communicate
+ with it.
+ See also Documentation/driver-api/connector.rst
+
+config SAMPLE_FANOTIFY_ERROR
+ bool "Build fanotify error monitoring sample"
+ depends on FANOTIFY && CC_CAN_LINK && HEADERS_INSTALL
+ help
+ When enabled, this builds an example code that uses the
+ FAN_FS_ERROR fanotify mechanism to monitor filesystem
+ errors.
+ See also Documentation/admin-guide/filesystem-monitoring.rst.
+
+config SAMPLE_HIDRAW
+ bool "hidraw sample"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+
+config SAMPLE_LANDLOCK
+ bool "Landlock example"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build a simple Landlock sandbox manager able to start a process
+ restricted by a user-defined filesystem access control policy.
+
+config SAMPLE_PIDFD
+ bool "pidfd sample"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+
+config SAMPLE_SECCOMP
+ bool "Build seccomp sample code"
+ depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build samples of seccomp filters using various methods of
+ BPF filter construction.
+
+config SAMPLE_TIMER
+ bool "Timer sample"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+
+config SAMPLE_UHID
+ bool "UHID sample"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build UHID sample program.
+
+config SAMPLE_VFIO_MDEV_MTTY
+ tristate "Build VFIO mtty example mediated device sample code"
+ depends on VFIO
+ 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
+ select VFIO_MDEV
+ help
+ Build a virtual display sample driver for use as a VFIO
+ mediated device. It is a simple framebuffer and supports
+ the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
+
+config SAMPLE_VFIO_MDEV_MDPY_FB
+ tristate "Build VFIO mdpy example guest fbdev driver"
+ depends on FB
+ select FB_IOMEM_HELPERS
+ help
+ Guest fbdev driver for the virtual display sample driver.
+
+config SAMPLE_VFIO_MDEV_MBOCHS
+ tristate "Build VFIO mbochs example mediated device sample code"
+ depends on VFIO
+ select VFIO_MDEV
+ select DMA_SHARED_BUFFER
+ help
+ Build a virtual display sample driver for use as a VFIO
+ mediated device. It supports the region display interface
+ (VFIO_GFX_PLANE_TYPE_DMABUF).
+ Emulate enough of qemu stdvga to make bochs-drm.ko happy.
+ That is basically the vram memory bar and the bochs dispi
+ interface vbe registers in the mmio register bar.
+ Specifically it does *not* include any legacy vga stuff.
+ Device looks a lot like "qemu -device secondary-vga".
+
+config SAMPLE_ANDROID_BINDERFS
+ bool "Build Android binderfs example"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Builds a sample program to illustrate the use of the Android binderfs
+ filesystem.
+
+config SAMPLE_VFS
+ bool "Build example programs that use new VFS system calls"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build example userspace programs that use new VFS system calls such
+ as mount API and statx(). Note that this is restricted to the x86
+ arch whilst it accesses system calls that aren't yet in all arches.
+
+config SAMPLE_INTEL_MEI
+ bool "Build example program working with intel mei driver"
+ depends on INTEL_MEI
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build a sample program to work with mei device.
+
+config SAMPLE_TPS6594_PFSM
+ bool "Build example program working with TPS6594 PFSM driver"
+ depends on HEADERS_INSTALL
+ depends on CC_CAN_LINK
+ help
+ Build a sample program to work with PFSM devices.
+
+config SAMPLE_WATCHDOG
+ bool "watchdog sample"
+ depends on CC_CAN_LINK
+
+config SAMPLE_WATCH_QUEUE
+ bool "Build example watch_queue notification API consumer"
+ depends on CC_CAN_LINK && HEADERS_INSTALL
+ help
+ Build example userspace program to use the new mount_notify(),
+ sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.
+
+config SAMPLE_CORESIGHT_SYSCFG
+ tristate "Build example loadable module for CoreSight config"
+ depends on CORESIGHT && m
+ help
+ Build an example loadable module that adds new CoreSight features
+ and configuration using the CoreSight system configuration API.
+ This demonstrates how a user may create their own CoreSight
+ configurations and easily load them into the system at runtime.
+
+config SAMPLE_KMEMLEAK
+ tristate "Simple test for the kernel memory leak detector"
+ depends on DEBUG_KMEMLEAK && m
+ help
+ Build a sample program which have explicitly leaks memory to test
+ kmemleak
+
+source "samples/rust/Kconfig"
+
+endif # SAMPLES
+
+config HAVE_SAMPLE_FTRACE_DIRECT
+ bool
+
+config HAVE_SAMPLE_FTRACE_DIRECT_MULTI
+ bool