From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>,
Kan Liang <kan.liang@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-perf-users@vger.kernel.org,
Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Subject: Re: [PATCH 1/3] perf annotate-data: Fix missing constant copy
Date: Wed, 21 Aug 2024 11:41:38 -0300 [thread overview]
Message-ID: <ZsX8omIZDgQyUkwU@x1> (raw)
In-Reply-To: <20240821065408.285548-1-namhyung@kernel.org>
On Tue, Aug 20, 2024 at 11:54:06PM -0700, Namhyung Kim wrote:
> I found it missed to copy the immediate constant when it moves the
> register value. This could result in a wrong type inference since the
> address for the per-cpu variable would be 0 always.
>
> Fixes: eb9190afaed6 ("perf annotate-data: Handle ADD instructions")
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Thanks, applied the series.
- Arnaldo
> ---
> tools/perf/arch/x86/annotate/instructions.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
> index 7b7d462c6c6b..88b5bcf2116f 100644
> --- a/tools/perf/arch/x86/annotate/instructions.c
> +++ b/tools/perf/arch/x86/annotate/instructions.c
> @@ -382,6 +382,7 @@ static void update_insn_state_x86(struct type_state *state,
>
> tsr->type = state->regs[src->reg1].type;
> tsr->kind = state->regs[src->reg1].kind;
> + tsr->imm_value = state->regs[src->reg1].imm_value;
> tsr->ok = true;
>
> pr_debug_dtp("mov [%x] reg%d -> reg%d",
> --
> 2.46.0.184.g6999bdac58-goog
prev parent reply other threads:[~2024-08-21 14:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-21 6:54 [PATCH 1/3] perf annotate-data: Fix missing constant copy Namhyung Kim
2024-08-21 6:54 ` [PATCH 2/3] perf annotate-data: Prefer struct/union over base type Namhyung Kim
2024-08-21 6:54 ` [PATCH 3/3] perf annotate-data: Fix percpu pointer check Namhyung Kim
2024-08-21 14:41 ` Arnaldo Carvalho de Melo [this message]
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