From patchwork Fri Jan 31 06:17:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Morton X-Patchwork-Id: 11359353 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 62FAB139A for ; Fri, 31 Jan 2020 06:17:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 269E222522 for ; Fri, 31 Jan 2020 06:17:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="YWNZl8B9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 269E222522 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A75806B0599; Fri, 31 Jan 2020 01:17:15 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 9DC146B059B; Fri, 31 Jan 2020 01:17:15 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8CA726B059C; Fri, 31 Jan 2020 01:17:15 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0227.hostedemail.com [216.40.44.227]) by kanga.kvack.org (Postfix) with ESMTP id 738266B0599 for ; Fri, 31 Jan 2020 01:17:15 -0500 (EST) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 2DF1E4403 for ; Fri, 31 Jan 2020 06:17:15 +0000 (UTC) X-FDA: 76436922030.25.blow40_3f44fed83d452 X-Spam-Summary: 2,0,0,fd91c64ae895123f,d41d8cd98f00b204,akpm@linux-foundation.org,:akpm@linux-foundation.org:cmetcalf@tilera.com:krzysiek@podlesie.net::mm-commits@vger.kernel.org:nivedita@alum.mit.edu:torvalds@linux-foundation.org,RULES_HIT:41:355:379:800:960:967:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1541:1711:1730:1747:1777:1792:2393:2525:2559:2563:2682:2685:2859:2902:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3352:3865:3867:3868:3870:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4321:5007:6261:6653:7576:8599:9025:9545:10004:10913:11026:11658:11914:12043:12048:12297:12438:12517:12519:12555:12679:12783:12986:13069:13311:13357:14181:14384:14721:14849:21080:21451:21627:21939:21990:30051:30054,0,RBL:error,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:16,LUA_SUMMARY:none X-HE-Tag: blow40_3f44fed83d452 X-Filterd-Recvd-Size: 2652 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf01.hostedemail.com (Postfix) with ESMTP for ; Fri, 31 Jan 2020 06:17:14 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C50EF2082E; Fri, 31 Jan 2020 06:17:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580451434; bh=2x7T/i2GWSYYDiD2WYSegt/JOkPmY8VPSgrKRcMuYdE=; h=Date:From:To:Subject:In-Reply-To:From; b=YWNZl8B9XdurJkz6pBLzgFIjCAd3w1rr9tLRNitd9a6NqivfwXN9yCAViUa3nn4yI A1vGzgDVFrgoC7XxPNyBMHTMFQi8TC0Iyas/fDZabNi67RdFYXNA8oks/g/R3Q6IFW HohjxR3ofV8vCNiep3DGEVNnEUpY5U/76aAErxmM= Date: Thu, 30 Jan 2020 22:17:13 -0800 From: Andrew Morton To: akpm@linux-foundation.org, cmetcalf@tilera.com, krzysiek@podlesie.net, linux-mm@kvack.org, mm-commits@vger.kernel.org, nivedita@alum.mit.edu, torvalds@linux-foundation.org Subject: [patch 111/118] init/main.c: log arguments and environment passed to init Message-ID: <20200131061713.CqwifCDBT%akpm@linux-foundation.org> In-Reply-To: <20200130221021.5f0211c56346d5485af07923@linux-foundation.org> User-Agent: s-nail v14.8.16 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: From: Arvind Sankar Subject: init/main.c: log arguments and environment passed to init Extend logging in `run_init_process` to also show the arguments and environment that we are passing to init. Link: http://lkml.kernel.org/r/20191212180023.24339-2-nivedita@alum.mit.edu Signed-off-by: Arvind Sankar Cc: Chris Metcalf Cc: Krzysztof Mazur Signed-off-by: Andrew Morton --- init/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/init/main.c~init-mainc-log-arguments-and-environment-passed-to-init +++ a/init/main.c @@ -1043,8 +1043,16 @@ static void __init do_pre_smp_initcalls( static int run_init_process(const char *init_filename) { + const char *const *p; + argv_init[0] = init_filename; pr_info("Run %s as init process\n", init_filename); + pr_debug(" with arguments:\n"); + for (p = argv_init; *p; p++) + pr_debug(" %s\n", *p); + pr_debug(" with environment:\n"); + for (p = envp_init; *p; p++) + pr_debug(" %s\n", *p); return do_execve(getname_kernel(init_filename), (const char __user *const __user *)argv_init, (const char __user *const __user *)envp_init);