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authorJiri Olsa <jolsa@redhat.com>2021-07-14 12:43:56 +0300
committerAlexei Starovoitov <ast@kernel.org>2021-07-16 03:59:09 +0300
commit9ffd9f3ff7193933dae171740ab70a103d460065 (patch)
treea274a2d5bad87bc289efe4c3da0da20bf2e8eed8 /include/uapi
parent9b99edcae5c80c8fb9f8e7149bae528c9e610a72 (diff)
downloadlinux-9ffd9f3ff7193933dae171740ab70a103d460065.tar.xz
bpf: Add bpf_get_func_ip helper for kprobe programs
Adding bpf_get_func_ip helper for BPF_PROG_TYPE_KPROBE programs, so it's now possible to call bpf_get_func_ip from both kprobe and kretprobe programs. Taking the caller's address from 'struct kprobe::addr', which is defined for both kprobe and kretprobe. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Link: https://lore.kernel.org/bpf/20210714094400.396467-5-jolsa@kernel.org
Diffstat (limited to 'include/uapi')
-rw-r--r--include/uapi/linux/bpf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 89688f16ad60..2db6925e04f4 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -4844,7 +4844,7 @@ union bpf_attr {
*
* u64 bpf_get_func_ip(void *ctx)
* Description
- * Get address of the traced function (for tracing programs).
+ * Get address of the traced function (for tracing and kprobe programs).
* Return
* Address of the traced function.
*/