linux-kernel - Re: [PATCH bpf-next 2/3] ftrace: Keep address offset in ftrace_lookup

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Date:   Mon, 6 Jun 2022 19:56:20 +0200
From:   Jiri Olsa <olsajiri@...il.com>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>, netdev@...r.kernel.org,
        bpf@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Masami Hiramatsu <mhiramat@...nel.org>
Subject: Re: [PATCH bpf-next 2/3] ftrace: Keep address offset in
 ftrace_lookup_symbols

On Sun, Jun 05, 2022 at 12:51:22PM -0400, Steven Rostedt wrote:
> On Fri, 27 May 2022 22:56:10 +0200
> Jiri Olsa <jolsa@...nel.org> wrote:
> 
> > @@ -8017,6 +8025,7 @@ int ftrace_lookup_symbols(const char **sorted_syms, size_t cnt, unsigned long *a
> >  	struct kallsyms_data args;
> >  	int err;
> >  
> > +	memset(addrs, 0x0, sizeof(*addrs) * cnt);
> 
> Nit, but you don't need the "0x".

ok, will remove

thanks,
jirka

> 
> -- Steve
> 
> >  	args.addrs = addrs;
> >  	args.syms = sorted_syms;
> >  	args.cnt = cnt;
> > --