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| author | Heiko Carstens <hca@linux.ibm.com> | 2021-10-12 15:38:01 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-10-19 15:39:53 +0200 |
| commit | c316eb4460463b6dd1aee6d241cb20323a0030aa (patch) | |
| tree | 13371f5edc12fb7063a1be66699bdfb05730e830 | |
| parent | 3d487acf1b1a5d1473e27c093c97a2a90062a41b (diff) | |
| download | linux-c316eb4460463b6dd1aee6d241cb20323a0030aa.tar.bz2 | |
samples: add HAVE_SAMPLE_FTRACE_DIRECT config option
Add HAVE_SAMPLE_FTRACE_DIRECT config option which can be selected by
architectures which have support for ftrace direct call samples.
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20211012133802.2460757-4-hca@linux.ibm.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | samples/Kconfig | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ab83c22d274e..620fce152be9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -190,6 +190,7 @@ config X86 select HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_DYNAMIC_FTRACE_WITH_ARGS if X86_64 select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS + select HAVE_SAMPLE_FTRACE_DIRECT if X86_64 select HAVE_EBPF_JIT select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_EISA diff --git a/samples/Kconfig b/samples/Kconfig index b0503ef058d3..501f66309118 100644 --- a/samples/Kconfig +++ b/samples/Kconfig @@ -26,7 +26,7 @@ config SAMPLE_TRACE_PRINTK config SAMPLE_FTRACE_DIRECT tristate "Build register_ftrace_direct() example" depends on DYNAMIC_FTRACE_WITH_DIRECT_CALLS && m - depends on X86_64 # has x86_64 inlined asm + depends on HAVE_SAMPLE_FTRACE_DIRECT help This builds an ftrace direct function example that hooks to wake_up_process and prints the parameters. @@ -224,3 +224,6 @@ config SAMPLE_WATCH_QUEUE sb_notify() syscalls and the KEYCTL_WATCH_KEY keyctl() function. endif # SAMPLES + +config HAVE_SAMPLE_FTRACE_DIRECT + bool |