add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/samples/Kconfig
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+# 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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-	depends on !UML
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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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+
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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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 	 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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+
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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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+
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 config SAMPLE_KOBJECT
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-	tristate "Build kobject examples -- loadable modules only"
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-	depends on m
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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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@@ -95,19 +113,37 @@
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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 && m
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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/connector/connector.txt
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+	  See also Documentation/driver-api/connector.rst
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+
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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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+
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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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-	tristate "Build seccomp sample code -- loadable modules only"
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-	depends on SECCOMP_FILTER && m
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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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+
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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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+
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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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 	  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_STATX
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-	bool "Build example extended-stat using code"
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-	depends on BROKEN
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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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-	  Build example userspace program to use the new extended-stat syscall.
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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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+
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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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+
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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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+
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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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+
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+config SAMPLE_WATCH_QUEUE
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+	bool "Build example watch_queue notification API 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