From: Peter Zijlstra <peterz@infradead.org>
To: Song Liu <songliubraving@fb.com>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
acme@kernel.org, ast@kernel.org, daniel@iogearbox.net,
kernel-team@fb.com, dsahern@gmail.com
Subject: Re: [PATCH v10 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs
Date: Thu, 17 Jan 2019 14:10:44 +0100 [thread overview]
Message-ID: <20190117131044.GH10486@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190116162931.1542429-10-songliubraving@fb.com>
On Wed, Jan 16, 2019 at 08:29:31AM -0800, Song Liu wrote:
> 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>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> ---
> 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,
> --
> 2.17.1
>
prev parent reply other threads:[~2019-01-17 13:11 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-16 16:29 [PATCH v10 perf, bpf-next 0/9] reveal invisible bpf programs Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 1/9] perf, bpf: Introduce PERF_RECORD_KSYMBOL Song Liu
2019-01-17 12:48 ` Peter Zijlstra
2019-01-17 12:56 ` Peter Zijlstra
2019-01-17 14:49 ` Song Liu
2019-01-17 14:58 ` Arnaldo Carvalho de Melo
2019-01-17 15:02 ` Song Liu
2019-01-18 8:38 ` Peter Zijlstra
2019-01-18 8:41 ` Peter Zijlstra
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 2/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 3/9] perf, bpf: introduce PERF_RECORD_BPF_EVENT Song Liu
2019-01-17 13:09 ` Peter Zijlstra
2019-01-17 13:49 ` Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 4/9] sync tools/include/uapi/linux/perf_event.h Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 5/9] perf util: handle PERF_RECORD_KSYMBOL Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 6/9] perf util: handle PERF_RECORD_BPF_EVENT Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 7/9] perf tools: synthesize PERF_RECORD_* for loaded BPF programs Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 8/9] perf top: Synthesize BPF events for pre-existing " Song Liu
2019-01-16 16:29 ` [PATCH v10 perf, bpf-next 9/9] bpf: add module name [bpf] to ksymbols for bpf programs Song Liu
2019-01-17 13:10 ` Peter Zijlstra [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190117131044.GH10486@hirez.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=acme@kernel.org \
--cc=ast@kernel.org \
--cc=daniel@iogearbox.net \
--cc=dsahern@gmail.com \
--cc=kernel-team@fb.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=songliubraving@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.