diff mbox series

[v2,5/6] compiler.h: add CC_USING_PATCHABLE_FUNCTION_ENTRY

Message ID 20190604183435.20175-6-svens@stackframe.org (mailing list archive)
State Superseded
Headers show
Series Dynamic FTRACE for PA-RISC | expand

Commit Message

Sven Schnelle June 4, 2019, 6:34 p.m. UTC 
This can be used for architectures implementing dynamic
ftrace via -fpatchable-function-entry.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 include/linux/compiler_types.h | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 19e58b9138a0..095d55c3834d 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -112,6 +112,8 @@  struct ftrace_likely_data {
 
 #if defined(CC_USING_HOTPATCH)
 #define notrace			__attribute__((hotpatch(0, 0)))
+#elif defined(CC_USING_PATCHABLE_FUNCTION_ENTRY)
+#define notrace			__attribute__((patchable_function_entry(0, 0)))
 #else
 #define notrace			__attribute__((__no_instrument_function__))
 #endif