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ftrace: Factor ftrace_ops ops_func interface

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We are going to remove "ftrace_ops->private == bpf_trampoline" setup
in following changes.

Adding ip argument to ftrace_ops_func_t callback function, so we can
use it to look up the trampoline.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/bpf/20251230145010.103439-9-jolsa@kernel.org
This commit is contained in:
Jiri Olsa
2025-12-30 15:50:09 +01:00
committed by Andrii Nakryiko
parent 7d0452497c
commit 956747efd8
3 changed files with 6 additions and 5 deletions
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2
include/linux/ftrace.h
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@@ -403,7 +403,7 @@ enum ftrace_ops_cmd {
* Negative on failure. The return value is dependent on the
* callback.
*/
typedef int (*ftrace_ops_func_t)(struct ftrace_ops *op, enum ftrace_ops_cmd cmd);
typedef int (*ftrace_ops_func_t)(struct ftrace_ops *op, unsigned long ip, enum ftrace_ops_cmd cmd);
#ifdef CONFIG_DYNAMIC_FTRACE