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214377e9b7
This userspace program includes UAPI headers exported to usr/include/. 'make headers' always works for the target architecture (i.e. the same architecture as the kernel), so the sample program should be built for the target as well. Kbuild now supports 'userprogs' for that. I also guarded the CONFIG option by 'depends on CC_CAN_LINK' because $(CC) may not provide libc. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
220 lines
6.7 KiB
Plaintext
220 lines
6.7 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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menuconfig SAMPLES
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bool "Sample kernel code"
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help
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You can build and test sample kernel code here.
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if SAMPLES
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config SAMPLE_AUXDISPLAY
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bool "auxdisplay sample"
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depends on CC_CAN_LINK
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config SAMPLE_TRACE_EVENTS
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tristate "Build trace_events examples -- loadable modules only"
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depends on EVENT_TRACING && m
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help
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This build trace event example modules.
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config SAMPLE_TRACE_PRINTK
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tristate "Build trace_printk module - tests various trace_printk formats"
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depends on EVENT_TRACING && m
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help
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This builds a module that calls trace_printk() and can be used to
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test various trace_printk() calls from a module.
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config SAMPLE_FTRACE_DIRECT
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tristate "Build register_ftrace_direct() example"
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depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m
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depends on X86_64 # has x86_64 inlined asm
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help
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This builds an ftrace direct function example
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that hooks to wake_up_process and prints the parameters.
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config SAMPLE_TRACE_ARRAY
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tristate "Build sample module for kernel access to Ftrace instancess"
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depends on EVENT_TRACING && m
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help
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This builds a module that demonstrates the use of various APIs to
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access Ftrace instances from within the kernel.
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config SAMPLE_KOBJECT
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tristate "Build kobject examples"
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help
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This config option will allow you to build a number of
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different kobject sample modules showing how to use kobjects,
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ksets, and ktypes properly.
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If in doubt, say "N" here.
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config SAMPLE_KPROBES
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tristate "Build kprobes examples -- loadable modules only"
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depends on KPROBES && m
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help
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This build several kprobes example modules.
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config SAMPLE_KRETPROBES
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tristate "Build kretprobes example -- loadable modules only"
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default m
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depends on SAMPLE_KPROBES && KRETPROBES
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config SAMPLE_HW_BREAKPOINT
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tristate "Build kernel hardware breakpoint examples -- loadable module only"
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depends on HAVE_HW_BREAKPOINT && m
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help
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This builds kernel hardware breakpoint example modules.
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config SAMPLE_KFIFO
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tristate "Build kfifo examples -- loadable modules only"
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depends on m
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help
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This config option will allow you to build a number of
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different kfifo sample modules showing how to use the
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generic kfifo API.
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If in doubt, say "N" here.
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config SAMPLE_KDB
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tristate "Build kdb command example -- loadable modules only"
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depends on KGDB_KDB && m
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help
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Build an example of how to dynamically add the hello
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command to the kdb shell.
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config SAMPLE_QMI_CLIENT
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tristate "Build qmi client sample -- loadable modules only"
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depends on m
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depends on ARCH_QCOM
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depends on NET
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select QCOM_QMI_HELPERS
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help
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Build an QMI client sample driver, which demonstrates how to
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communicate with a remote QRTR service, using QMI encoded messages.
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config SAMPLE_RPMSG_CLIENT
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tristate "Build rpmsg client sample -- loadable modules only"
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depends on RPMSG && m
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help
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Build an rpmsg client sample driver, which demonstrates how
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to communicate with an AMP-configured remote processor over
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the rpmsg bus.
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config SAMPLE_LIVEPATCH
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tristate "Build live patching samples -- loadable modules only"
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depends on LIVEPATCH && m
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help
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Build sample live patch demonstrations.
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config SAMPLE_CONFIGFS
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tristate "Build configfs patching sample -- loadable modules only"
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depends on CONFIGFS_FS && m
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help
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Builds a sample configfs interface.
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config SAMPLE_CONNECTOR
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tristate "Build connector sample -- loadable modules only"
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depends on CONNECTOR && HEADERS_INSTALL && m
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help
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When enabled, this builds both a sample kernel module for
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the connector interface and a user space tool to communicate
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with it.
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See also Documentation/driver-api/connector.rst
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config SAMPLE_HIDRAW
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bool "hidraw sample"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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config SAMPLE_PIDFD
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bool "pidfd sample"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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config SAMPLE_SECCOMP
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bool "Build seccomp sample code"
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depends on SECCOMP_FILTER && CC_CAN_LINK && HEADERS_INSTALL
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help
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Build samples of seccomp filters using various methods of
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BPF filter construction.
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config SAMPLE_TIMER
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bool "Timer sample"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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config SAMPLE_UHID
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bool "UHID sample"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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help
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Build UHID sample program.
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config SAMPLE_VFIO_MDEV_MTTY
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tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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help
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Build a virtual tty sample driver for use as a VFIO
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mediated device
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config SAMPLE_VFIO_MDEV_MDPY
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tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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help
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Build a virtual display sample driver for use as a VFIO
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mediated device. It is a simple framebuffer and supports
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the region display interface (VFIO_GFX_PLANE_TYPE_REGION).
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config SAMPLE_VFIO_MDEV_MDPY_FB
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tristate "Build VFIO mdpy example guest fbdev driver -- loadable module only"
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depends on FB && m
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select FB_CFB_FILLRECT
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select FB_CFB_COPYAREA
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select FB_CFB_IMAGEBLIT
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help
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Guest fbdev driver for the virtual display sample driver.
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config SAMPLE_VFIO_MDEV_MBOCHS
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tristate "Build VFIO mdpy example mediated device sample code -- loadable modules only"
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depends on VFIO_MDEV_DEVICE && m
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select DMA_SHARED_BUFFER
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help
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Build a virtual display sample driver for use as a VFIO
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mediated device. It supports the region display interface
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(VFIO_GFX_PLANE_TYPE_DMABUF).
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Emulate enough of qemu stdvga to make bochs-drm.ko happy.
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That is basically the vram memory bar and the bochs dispi
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interface vbe registers in the mmio register bar.
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Specifically it does *not* include any legacy vga stuff.
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Device looks a lot like "qemu -device secondary-vga".
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config SAMPLE_ANDROID_BINDERFS
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bool "Build Android binderfs example"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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help
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Builds a sample program to illustrate the use of the Android binderfs
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filesystem.
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config SAMPLE_VFS
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bool "Build example programs that use new VFS system calls"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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help
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Build example userspace programs that use new VFS system calls such
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as mount API and statx(). Note that this is restricted to the x86
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arch whilst it accesses system calls that aren't yet in all arches.
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config SAMPLE_INTEL_MEI
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bool "Build example program working with intel mei driver"
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depends on INTEL_MEI
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depends on CC_CAN_LINK && HEADERS_INSTALL
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help
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Build a sample program to work with mei device.
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config SAMPLE_WATCHDOG
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bool "watchdog sample"
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depends on CC_CAN_LINK
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config SAMPLE_WATCH_QUEUE
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bool "Build example /dev/watch_queue notification consumer"
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depends on CC_CAN_LINK && HEADERS_INSTALL
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help
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Build example userspace program to use the new mount_notify(),
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sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function.
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endif # SAMPLES
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