From c316eb4460463b6dd1aee6d241cb20323a0030aa Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Tue, 12 Oct 2021 15:38:01 +0200 Subject: [PATCH] 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 Reviewed-by: Sven Schnelle Signed-off-by: Heiko Carstens Acked-by: Steven Rostedt (VMware) Link: https://lore.kernel.org/r/20211012133802.2460757-4-hca@linux.ibm.com Signed-off-by: Vasily Gorbik --- 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 ab83c22d274e7..620fce152be99 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 b0503ef058d33..501f663091186 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 -- 2.30.2