Messages in this thread Patch in this message | | | Date | Tue, 22 Jan 2019 02:23:19 -0800 | From | tip-bot for Song Liu <> | Subject | [tip:perf/core] bpf: Add module name [bpf] to ksymbols for bpf programs |
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Commit-ID: 6934058d9fb6c058fb5e5b11cdcb19834e205c91 Gitweb: https://git.kernel.org/tip/6934058d9fb6c058fb5e5b11cdcb19834e205c91 Author: Song Liu <songliubraving@fb.com> AuthorDate: Thu, 17 Jan 2019 08:15:21 -0800 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Mon, 21 Jan 2019 17:38:56 -0300
bpf: Add module name [bpf] to ksymbols for bpf programs
With this patch, /proc/kallsyms will show BPF programs as
<addr> t bpf_prog_<tag>_<name> [bpf]
Signed-off-by: Song Liu <songliubraving@fb.com> Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: kernel-team@fb.com Cc: netdev@vger.kernel.org Link: http://lkml.kernel.org/r/20190117161521.1341602-10-songliubraving@fb.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- kernel/kallsyms.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c index f3a04994e063..14934afa9e68 100644 --- a/kernel/kallsyms.c +++ b/kernel/kallsyms.c @@ -494,7 +494,7 @@ static int get_ksymbol_ftrace_mod(struct kallsym_iter *iter) static int get_ksymbol_bpf(struct kallsym_iter *iter) { - iter->module_name[0] = '\0'; + strlcpy(iter->module_name, "bpf", MODULE_NAME_LEN); iter->exported = 0; return bpf_get_kallsym(iter->pos - iter->pos_ftrace_mod_end, &iter->value, &iter->type,
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