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Date: Mon, 2 Jan 2017 14:09:40 -0300
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>,
        Namhyung Kim <namhyung@kernel.org>
Subject: Re: [PATCH perf/core] perf-probe: Fix to get correct modname from
 elf header
Message-ID: <20170102170940.GD21178@kernel.org>
References: <148337043836.6752.383495516397005695.stgit@devbox>
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Em Tue, Jan 03, 2017 at 12:20:49AM +0900, Masami Hiramatsu escreveu:
> Since perf-probe supports cross-arch probe, it is possible to
> analyze different arch kernel image which has different
> bits-per-long. In that case, it fails to get module name
> because perf probe uses MOD_NAME_OFFSET macro based on
> host machines bits-per-long, instead of the target archs
> bits-per-long.
> 
> This fixes above issue by changing modname-offset based on
> the target archs bitwidth. This is ok because linux kernel
> uses LP64 model on 64bit arch.

Seems simple enough, thanks, applied.

- Arnaldo