From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AE54FC433FE for ; Fri, 22 Apr 2022 10:00:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1446342AbiDVKDs (ORCPT ); Fri, 22 Apr 2022 06:03:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348202AbiDVKDr (ORCPT ); Fri, 22 Apr 2022 06:03:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A15223CFFD; Fri, 22 Apr 2022 03:00:55 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3E6AB61E0D; Fri, 22 Apr 2022 10:00:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B97CBC385A4; Fri, 22 Apr 2022 10:00:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1650621654; bh=l3QQdpXdux2M4AyDc26VJwNvtk8Vaco1LZHB5M52YYE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ru6TTEKUp6T28F5HUuIo6smBeiiu1WspTfaSHfTaXJAF6wExVAde87EJH58jNlOvl o95d1M/wY0AbXrumgzvmzSgFT9MHtqbHMMY6yT+syjMBAauz5NIk/eEyQI4GhsldAs //PZRcbLM4LpZh+KKpT7uLlbI9fOkO9Ti+fjgTDaXUw3qlxJJJJqSxasiO8wiwynUN sJtc4SHugo+KicvHM1IqWfDprNK7pC0JNK+lKM/n48WbPugDmQtBe1jz5H6LMXoteI qrMu32Mg5DgEcnLlAvd7evPh0nWIgeMFAFLDLVwJKOp1CC09PDqUM62E31NWcSNLg9 55UpmRflEDj2g== From: Jiri Olsa To: Arnaldo Carvalho de Melo , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: linux-perf-users@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , Ian Rogers Subject: [PATCH perf/core 2/5] libbpf: Load prog's instructions after prog_prepare_load_fn callback Date: Fri, 22 Apr 2022 12:00:22 +0200 Message-Id: <20220422100025.1469207-3-jolsa@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220422100025.1469207-1-jolsa@kernel.org> References: <20220422100025.1469207-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org We can have changed instructions after calling prog_prepare_load_fn callback, reload them. Signed-off-by: Jiri Olsa --- tools/lib/bpf/libbpf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 284790d81c1b..c8df74e5f658 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -6695,6 +6695,8 @@ static int bpf_object_load_prog_instance(struct bpf_object *obj, struct bpf_prog prog->name, err); return err; } + insns = prog->insns; + insns_cnt = prog->insns_cnt; } if (obj->gen_loader) { -- 2.35.1