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author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-11-08 13:11:39 -0500 |
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committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2019-11-13 09:36:49 -0500 |
commit | 562955fe6a558b9ef98ad87c470314946338cb2f (patch) | |
tree | cb76aa51c8a29ef696210e9145ff45772094ed98 /arch/x86/Kconfig | |
parent | ed9dafebce52206382de96bd5bbdff22335930f6 (diff) | |
download | lwn-562955fe6a558b9ef98ad87c470314946338cb2f.tar.gz lwn-562955fe6a558b9ef98ad87c470314946338cb2f.zip |
ftrace/x86: Add register_ftrace_direct() for custom trampolines
Enable x86 to allow for register_ftrace_direct(), where a custom trampoline
may be called directly from an ftrace mcount/fentry location.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r-- | arch/x86/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d6e1faa28c58..329d9c729ba3 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -158,6 +158,7 @@ config X86 select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS + select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS select HAVE_EBPF_JIT select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_EISA |