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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B46CDC282DA for ; Wed, 17 Apr 2019 17:37:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8359E20835 for ; Wed, 17 Apr 2019 17:37:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="UfFXEsl5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733083AbfDQRhg (ORCPT ); Wed, 17 Apr 2019 13:37:36 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:42973 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729641AbfDQRhf (ORCPT ); Wed, 17 Apr 2019 13:37:35 -0400 Received: by mail-qk1-f196.google.com with SMTP id b74so14852429qkg.9 for ; Wed, 17 Apr 2019 10:37:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=6/4BtlTJLa8Zvlk+i9ij0ya4oUngxJe3lXv6hSoAHJk=; b=UfFXEsl5Gzm8+f4XLCekIRFrMWqIyqDbVu++s7rASqAVSrphl8wZ6NK6oajXw+iIcd b4+BxA8DF8Ucp/k8s/W6GwtUef6DjEVzxLM/HIePDTLyp/YRIIoCJ4EJIqi1bnVwzZ46 ebzfFWVhDh1nj74rHbzpG77dnYLORcxKp72kR44eqzTY/7ULPYFx7QeiUq5WYn4GaYWc l1AGmk5IMQD4MuYvDkvaspwaIO1HuX94lY1rjs8OHRqjPfQ+BTuXacWxrI7p5GEa99dW Of6SVMmWxn2uaX67HtiEX3lWD5j291CD8/NOCavtaUmvd50ZjB0QBV6okJye/508roIE 5dEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=6/4BtlTJLa8Zvlk+i9ij0ya4oUngxJe3lXv6hSoAHJk=; b=gN0B9JSjS6oN75O7alF/C0fPY/CH+wxlgAt5b21ecZ8VyfkpI04qfOxnILueBzjnpG ZdgFaXUa/6PGFFiB1qVq0bXtbdvJCE0dwJpeoY35T0XdMkmXoJThd0iKMXx7qS6wItRG SMH2gF3qRSiGhMXhEVWlLG5py1+e31k1osTdnTNIxiLhffwMb+9UKKe8nmtz2xdD5CJ7 o2O7JimnPBjJqoEzypGVCEBYAlxpBtbQiLu8ocGxA0E/T6fSH+D8REetW+tpwjJths2W qjTsB2p6ni5EN93gVDo/t2Jcmqg9Jzpeq0t94B8FWHx3VOe8ofDfAZoXRlv10vmrXNNW AJXQ== X-Gm-Message-State: APjAAAUaSP01MnoDPswKyZN9KaMeJr2cJlejbOdLBY641wFIgJJNJYXt PiyYk5dGYONTjNrD0e/BqlU= X-Google-Smtp-Source: APXvYqy/ed9pf1Gt4XRJjfnn1kCU0gSjSyfBvHghPuvo6NgP4XbaQ0vEWDHGzCVXrydTnLhsqNEsVg== X-Received: by 2002:a37:b303:: with SMTP id c3mr71001043qkf.154.1555522654671; Wed, 17 Apr 2019 10:37:34 -0700 (PDT) Received: from quaco.ghostprotocols.net ([190.15.121.82]) by smtp.gmail.com with ESMTPSA id s12sm33072772qke.36.2019.04.17.10.37.33 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 17 Apr 2019 10:37:33 -0700 (PDT) From: Arnaldo Carvalho de Melo X-Google-Original-From: Arnaldo Carvalho de Melo Received: by quaco.ghostprotocols.net (Postfix, from userid 1000) id 3E55340521; Wed, 17 Apr 2019 14:37:31 -0300 (-03) Date: Wed, 17 Apr 2019 14:37:31 -0300 To: Song Liu Cc: Jiri Olsa , Alexander Shishkin , Namhyung Kim , Peter Zijlstra , lkml , Ingo Molnar , Peter Zijlstra Subject: Re: [PATCH] perf bpf: Return NULL when RB tree lookup fails in perf_env__find_btf() Message-ID: <20190417173731.GC5246@kernel.org> References: <20190417145539.11669-1-jolsa@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Wed, Apr 17, 2019 at 04:49:13PM +0000, Song Liu escreveu: > > On Apr 17, 2019, at 7:55 AM, Jiri Olsa wrote: > > > > We currently don't return NULL in case we don't find the > > bpf_prog_info_node, fixing that. > > > > Signed-off-by: Jiri Olsa > > Cc: Alexander Shishkin > > Cc: Namhyung Kim > > Cc: Peter Zijlstra > > Cc: Song Liu > > Fixes: 3792cb2ff43b ("perf bpf: Save BTF in a rbtree in perf_env") > > Link: http://lkml.kernel.org/n/tip-99g9rg4p20a1o99vr0nkjhq8@git.kernel.org > > Signed-off-by: Arnaldo Carvalho de Melo > > Acked-by: Song Liu Thanks, applied. - Arnaldo