linux-kernel - Re: [PATCH 1/3] perf skel: Remove some unused variables.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <BA2B7D75-9ABC-4666-82FC-0AE1A0729372@fb.com>
Date:   Sat, 6 Mar 2021 19:33:09 +0000
From:   Song Liu <songliubraving@...com>
To:     Ian Rogers <irogers@...gle.com>
CC:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        "Namhyung Kim" <namhyung@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 1/3] perf skel: Remove some unused variables.



> On Mar 6, 2021, at 12:08 AM, Ian Rogers <irogers@...gle.com> wrote:
> 
> Fixes -Wall warnings.
> 
> Signed-off-by: Ian Rogers <irogers@...gle.com>

Acked-by: Song Liu <songliubraving@...com>

Thanks for the clean up!

> ---
> tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> index c7cec92d0236..ab12b4c4ece2 100644
> --- a/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> +++ b/tools/perf/util/bpf_skel/bpf_prog_profiler.bpf.c
> @@ -52,7 +52,7 @@ int BPF_PROG(fentry_XXX)
> static inline void
> fexit_update_maps(struct bpf_perf_event_value *after)
> {
> -	struct bpf_perf_event_value *before, diff, *accum;
> +	struct bpf_perf_event_value *before, diff;
> 	__u32 zero = 0;
> 
> 	before = bpf_map_lookup_elem(&fentry_readings, &zero);
> @@ -78,7 +78,6 @@ int BPF_PROG(fexit_XXX)
> {
> 	struct bpf_perf_event_value reading;
> 	__u32 cpu = bpf_get_smp_processor_id();
> -	__u32 one = 1, zero = 0;
> 	int err;
> 
> 	/* read all events before updating the maps, to reduce error */
> -- 
> 2.30.1.766.gb4fecdf3b7-goog
>