Messages in this thread Patch in this message | | | From | Heiko Carstens <> | Subject | [PATCH 3/4] samples: add HAVE_SAMPLE_FTRACE_DIRECT config option | Date | Tue, 12 Oct 2021 15:38:01 +0200 |
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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> --- arch/x86/Kconfig | 1 + samples/Kconfig | 5 ++++- 2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a52e81cb256e..917391003c7a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -189,6 +189,7 @@ 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 8cbd6490823f..0823b97d8546 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. @@ -226,3 +226,6 @@ config SAMPLE_WATCH_QUEUE source "samples/rust/Kconfig" endif # SAMPLES + +config HAVE_SAMPLE_FTRACE_DIRECT + bool -- 2.25.1
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