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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86719CD54AB for ; Tue, 19 Sep 2023 09:33:36 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 1BB1D6B04E3; Tue, 19 Sep 2023 05:33:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 16D4E6B04E4; Tue, 19 Sep 2023 05:33:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 031B76B04E5; Tue, 19 Sep 2023 05:33:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id E5F776B04E3 for ; Tue, 19 Sep 2023 05:33:35 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id B977B160B9C for ; Tue, 19 Sep 2023 09:33:35 +0000 (UTC) X-FDA: 81252834390.22.65631E1 Received: from mail-wr1-f48.google.com (mail-wr1-f48.google.com [209.85.221.48]) by imf20.hostedemail.com (Postfix) with ESMTP id E9F661C0007 for ; Tue, 19 Sep 2023 09:33:33 +0000 (UTC) Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=VrMjXI5t; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf20.hostedemail.com: domain of alexei.starovoitov@gmail.com designates 209.85.221.48 as permitted sender) smtp.mailfrom=alexei.starovoitov@gmail.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1695116014; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=MpYHaXDJ9fV3McCT5caMeGlmzeSYOtE24Q/o7Z1lAx0=; b=ri+1qtQ05FeZF1smt6A8yjmQ/+OH05Q150SVdAFCmtMK6+uG0Ue121Wdgv04kzdXLYBwjP 2CrfLyMs8E7twmjpuglAt2gTG6G+aYCcQ9l1nHa7HECTeckiP0E+6t/JEGijTFiCY3VS4J WmS04mvIe0jqmuZ5Ko6wwCzVgwXWZq4= ARC-Authentication-Results: i=1; imf20.hostedemail.com; dkim=pass header.d=gmail.com header.s=20230601 header.b=VrMjXI5t; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf20.hostedemail.com: domain of alexei.starovoitov@gmail.com designates 209.85.221.48 as permitted sender) smtp.mailfrom=alexei.starovoitov@gmail.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1695116014; a=rsa-sha256; cv=none; b=d8OsEg6q8kh3WFbJpnHS4UJCu4jnJ9KX234RFfOZJZqRgZFXGZp9tRBGKZwa+9LIvsqa0a 7v7Kumgq8XGxCEX8RJBcboGyC+PE9ka6s5ao4YgezpDuv1MPHzBRlyNAYqGOjuiIqIv+Td 4/EctFVNkM9ldyTPfvyEo3Xe2UGAYo8= Received: by mail-wr1-f48.google.com with SMTP id ffacd0b85a97d-31ff2ce9d4cso3926630f8f.0 for ; Tue, 19 Sep 2023 02:33:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695116012; x=1695720812; darn=kvack.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=MpYHaXDJ9fV3McCT5caMeGlmzeSYOtE24Q/o7Z1lAx0=; b=VrMjXI5tTfXhbn32Z9bMWlr+PdkH/bK2TvQQ8rZlwZWLNo9KHoesAYfVrjudl7IvE7 h9Yk2ThfSr34tzZwWSWEwOmJ5F9Vxvg9JFT6mjnbMMS44eAZfUezyGuDS8Eb2l3hHefs Kv5y/NM+xiZe2Vz/d7PMoNSbTHU4YN8hUD5MQX9DV1FnuWotqIDyKCmz+oi1OGLeKwYX Q6EA2tywUdMjc3dH3/aTPIjy1XhrVkGaMIW//OAp2MH3skoj5YQENXnfAWAL73impAPo /+pe1os8rJ2skyZJq/2o/5Zc0VgYz0imOW0yIIGI3KZAF8Rk0R5ic38qd/CNv7uVbAu0 0S0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695116012; x=1695720812; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MpYHaXDJ9fV3McCT5caMeGlmzeSYOtE24Q/o7Z1lAx0=; b=tJ+gy++wsp/qtfsNFTykXKmNOSYhr6qYE81TgfBmtEW4aCZ2LiDt6utVUJI6ApsFY2 Rg4jvNVoH5zyghbpIm7nJHAEg+HfFJ8JaMpET234ILAV65E23ZJzTn2BIdBnLmDa89ko z2Hww7+tJ20tRnaV0dc64SyusfBpYcsHyPFuSD7YBYYs/5q5yKYvosCG8hCOlTaCauQe lUikb0fva9anj69y7eOycculxRi9DOciXmq7bTmTQk5x4dEkyndhqTitE5d59/Igf2i9 jVMi9ryRUolWa+sxuacQhY9ZYjibmJgZlMzNfooznYDf64jmMlZrNtpocunxJxsv0DhH TvPA== X-Gm-Message-State: AOJu0Yyo8kaeHdXvMO9beZTV/UsZjt66WUimo+4h33Xwu89a9WEOL11M 6Tag5DRr6YZeZHOZ2ulz68VtYF9pba5yfImtmMM= X-Google-Smtp-Source: AGHT+IFoeASmfFuxlv4GDCZjiRfLtAzZFkECWaLXabSgbEsfWe9UvJ2c42YXYzNjsAGXKQNQQxdE0buGI7r1JzgxgCE= X-Received: by 2002:a05:6000:98d:b0:320:a19:7f87 with SMTP id by13-20020a056000098d00b003200a197f87mr5985622wrb.18.1695116012003; Tue, 19 Sep 2023 02:33:32 -0700 (PDT) MIME-Version: 1.0 References: <202309190634.fL17FWoT-lkp@intel.com> In-Reply-To: <202309190634.fL17FWoT-lkp@intel.com> From: Alexei Starovoitov Date: Tue, 19 Sep 2023 02:33:19 -0700 Message-ID: Subject: Re: [linux-next:master 5430/5912] kernel/bpf/verifier.c:15232:13: warning: variable 'prev_offset' set but not used To: kernel test robot Cc: Kumar Kartikeya Dwivedi , oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Alexei Starovoitov Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: E9F661C0007 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: 8wt3crogf3nwify4pskt5ornehp8go9q X-HE-Tag: 1695116013-335948 X-HE-Meta: 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 AijlUb+S 3xL7Ytu/EFkLZIZGxTcHVZBQACdEDV4yNb+3SqKJ1V1aFaAnwlSHRkTQZG/KLwfktOHiAH3pcdfrlY4yL6n+iNEgQdW4261tVkq66PPuc0YqnfKzRClSFAfGIwsEv/kNJsm42UWbTC1rQ8Zoto6SHrgEgc41Cw3Cbn5/c+RHU5/3n/m/wjMMHo8Co3smP+EPGZTBgwlNEvOKs5J1JzoSeOfzWPLe9MoXZgzInOt5gPw4VIz15QKkStRDOxHlPNGaDFQL86HQ7VMj4IxY5WPwDmBXEzWyrLVUA0nCgbc4eQMwDsLmOpsh3e5voQNLPqJ6f7Jv968fZPeLqdtul5PtUGgmbtN34tp5D6wh66xTNbVXip+wjfh1bNMYYYRr+IVsDmOPC96nPF8IPGDcg3jDTfrhZQFmzNFnMn5Akhc3mzA1sbdMxZuMTX7z77I/3/8gkQbYNWI3nk+WvwDFJ7FYJ6fOp1nn3arKIVcF+bNSMBCyxhpGygu3NlRvu2O6Dnnxel1OD2tFKU6Vou3BNfYakO8/z6g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Sep 18, 2023 at 3:31=E2=80=AFPM kernel test robot w= rote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.g= it master > head: 7fc7222d9680366edeecc219c21ca96310bdbc10 > commit: aaa619ebccb2b78b3c6d2c0cd72d206ee8fc0025 [5430/5912] bpf: Refacto= r check_btf_func and split into two phases > config: arc-randconfig-002-20230919 (https://download.01.org/0day-ci/arch= ive/20230919/202309190634.fL17FWoT-lkp@intel.com/config) > compiler: arc-elf-gcc (GCC) 13.2.0 > reproduce (this is a W=3D1 build): (https://download.01.org/0day-ci/archi= ve/20230919/202309190634.fL17FWoT-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new vers= ion of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202309190634.fL17FWoT-lkp= @intel.com/ > > All warnings (new ones prefixed by >>): > > kernel/bpf/verifier.c: In function 'check_btf_func': > >> kernel/bpf/verifier.c:15232:13: warning: variable 'prev_offset' set bu= t not used [-Wunused-but-set-variable] > 15232 | u32 prev_offset =3D 0; > | ^~~~~~~~~~~ > >> kernel/bpf/verifier.c:15225:35: warning: variable 'min_size' set but n= ot used [-Wunused-but-set-variable] > 15225 | u32 i, nfuncs, urec_size, min_size; > | ^~~~~~~~ Applied trivial fix to bpf-next.