Messages in this thread Patch in this message | | | From | John Keeping <> | Subject | [PATCH] ftrace: mark get_lock_parent_ip() __always_inline | Date | Mon, 27 Mar 2023 18:36:46 +0100 |
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If the compiler decides not to inline this function then preemption tracing will always show an IP inside the preemption disabling path and never the function actually calling preempt_{enable,disable}.
Signed-off-by: John Keeping <john@metanate.com> --- include/linux/ftrace.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 327046f1278d..6954e4ed5bbf 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -964,7 +964,7 @@ static inline void __ftrace_enabled_restore(int enabled) #define CALLER_ADDR5 ((unsigned long)ftrace_return_address(5)) #define CALLER_ADDR6 ((unsigned long)ftrace_return_address(6)) -static inline unsigned long get_lock_parent_ip(void) +static __always_inline unsigned long get_lock_parent_ip(void) { unsigned long addr = CALLER_ADDR0; -- 2.40.0
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