1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "Sample kernel code"
5 You can build and test sample kernel code here.
9 config SAMPLE_TRACE_EVENTS
10 tristate "Build trace_events examples -- loadable modules only"
11 depends on EVENT_TRACING && m
13 This build trace event example modules.
15 config SAMPLE_TRACE_PRINTK
16 tristate "Build trace_printk module - tests various trace_printk formats"
17 depends on EVENT_TRACING && m
19 This builds a module that calls trace_printk() and can be used to
20 test various trace_printk() calls from a module.
23 tristate "Build kobject examples"
25 This config option will allow you to build a number of
26 different kobject sample modules showing how to use kobjects,
27 ksets, and ktypes properly.
29 If in doubt, say "N" here.
32 tristate "Build kprobes examples -- loadable modules only"
33 depends on KPROBES && m
35 This build several kprobes example modules.
37 config SAMPLE_KRETPROBES
38 tristate "Build kretprobes example -- loadable modules only"
40 depends on SAMPLE_KPROBES && KRETPROBES
42 config SAMPLE_HW_BREAKPOINT
43 tristate "Build kernel hardware breakpoint examples -- loadable module only"
44 depends on HAVE_HW_BREAKPOINT && m
46 This builds kernel hardware breakpoint example modules.
49 tristate "Build kfifo examples -- loadable modules only"
52 This config option will allow you to build a number of
53 different kfifo sample modules showing how to use the
56 If in doubt, say "N" here.
59 tristate "Build kdb command example -- loadable modules only"
60 depends on KGDB_KDB && m
62 Build an example of how to dynamically add the hello
63 command to the kdb shell.
65 config SAMPLE_QMI_CLIENT
66 tristate "Build qmi client sample -- loadable modules only"
70 select QCOM_QMI_HELPERS
72 Build an QMI client sample driver, which demonstrates how to
73 communicate with a remote QRTR service, using QMI encoded messages.
75 config SAMPLE_RPMSG_CLIENT
76 tristate "Build rpmsg client sample -- loadable modules only"
79 Build an rpmsg client sample driver, which demonstrates how
80 to communicate with an AMP-configured remote processor over
83 config SAMPLE_LIVEPATCH
84 tristate "Build live patching samples -- loadable modules only"
85 depends on LIVEPATCH && m
87 Build sample live patch demonstrations.
89 config SAMPLE_CONFIGFS
90 tristate "Build configfs patching sample -- loadable modules only"
91 depends on CONFIGFS_FS && m
93 Builds a sample configfs interface.
95 config SAMPLE_CONNECTOR
96 tristate "Build connector sample -- loadable modules only"
97 depends on CONNECTOR && HEADERS_INSTALL && m
99 When enabled, this builds both a sample kernel module for
100 the connector interface and a user space tool to communicate
102 See also Documentation/driver-api/connector.rst
106 depends on HEADERS_INSTALL
110 depends on HEADERS_INSTALL
112 config SAMPLE_SECCOMP
113 bool "Build seccomp sample code"
114 depends on SECCOMP_FILTER && HEADERS_INSTALL
116 Build samples of seccomp filters using various methods of
117 BPF filter construction.
119 config SAMPLE_VFIO_MDEV_MTTY
120 tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
121 depends on VFIO_MDEV_DEVICE && m
123 Build a virtual tty sample driver for use as a VFIO
126 config SAMPLE_VFIO_MDEV_MDPY
127 tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
128 depends on VFIO_MDEV_DEVICE && m
130 Build a virtual display sample driver for use as a VFIO
131 mediated device. It is a simple framebuffer and supports
132 the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
134 config SAMPLE_VFIO_MDEV_MDPY_FB
135 tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only"
137 select FB_CFB_FILLRECT
138 select FB_CFB_COPYAREA
139 select FB_CFB_IMAGEBLIT
141 Guest fbdev driver for the virtual display sample driver.
143 config SAMPLE_VFIO_MDEV_MBOCHS
144 tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
145 depends on VFIO_MDEV_DEVICE && m
146 select DMA_SHARED_BUFFER
148 Build a virtual display sample driver for use as a VFIO
149 mediated device. It supports the region display interface
150 (VFIO_GFX_PLANE_TYPE_DMABUF).
151 Emulate enough of qemu stdvga to make bochs-drm.ko happy.
152 That is basically the vram memory bar and the bochs dispi
153 interface vbe registers in the mmio register bar.
154 Specifically it does *not* include any legacy vga stuff.
155 Device looks a lot like "qemu -device secondary-vga".
157 config SAMPLE_ANDROID_BINDERFS
158 bool "Build Android binderfs example"
159 depends on CONFIG_ANDROID_BINDERFS
161 Builds a sample program to illustrate the use of the Android binderfs
165 bool "Build example programs that use new VFS system calls"
166 depends on HEADERS_INSTALL
168 Build example userspace programs that use new VFS system calls such
169 as mount API and statx(). Note that this is restricted to the x86
170 arch whilst it accesses system calls that aren't yet in all arches.