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=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 6DEF1C433E6 for ; Wed, 10 Mar 2021 12:18:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3CF2965000 for ; Wed, 10 Mar 2021 12:18:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231901AbhCJMSP (ORCPT ); Wed, 10 Mar 2021 07:18:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233004AbhCJMRy (ORCPT ); Wed, 10 Mar 2021 07:17:54 -0500 Received: from mail-wm1-x330.google.com (mail-wm1-x330.google.com [IPv6:2a00:1450:4864:20::330]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E25BBC061760 for ; Wed, 10 Mar 2021 04:17:53 -0800 (PST) Received: by mail-wm1-x330.google.com with SMTP id e23so6968593wmh.3 for ; Wed, 10 Mar 2021 04:17:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chrisdown.name; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=gmOoh5rfSQ/bfLOfAKnidJz/mWzWfe0aQp/Ruh78YZ8=; b=iDAEkCc02bjHDQ+7TwJdJ1YsEO1KdagSmFzJxK4wnZ3Mo1a2QtWSUzNAdghFp4TtgM 9nL1kMKyFivtbPBAPBtmTsQJ9d89hAAHNSbO3cSUFjaBlh3piJwuX+z4SseVwVhL1Wn8 hvbPAAvBoyHRdKGVb7DVc+j0FDNsPQ2SOaRM0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=gmOoh5rfSQ/bfLOfAKnidJz/mWzWfe0aQp/Ruh78YZ8=; b=iCpTZsUTvJO2prWxGOpyEJTZqWdHBA2VlixQCmqDKnw7h1KKuHu1NLIxBieqnVyYOP JzqVf9Egv21/zaVA1Y0blxbxP+w97ZtN5xJ8bBDlAgccbZNZ04C3V+ni9tCjmD+ElWFI /YIc93+xDcIdJIZmZK5j7VC606pwUOy+JflgbKFIpx5pE+IusS4zwZrC1JfLbV77Q4we dh3LNPIINZdN+GabPL9VM5+leM8q8MU2vG0Y4/mpuP/1w4bocceF0U8fQKHaOfvWzVZ8 lDJ+JEIjQORrLJ6K1ZjjNfpQJ5k7GfyUlD/ISP9q6WG9mJ4OhPtw/CuKEjHZ6l8zpp5h Jl0A== X-Gm-Message-State: AOAM5320Fb8Q35OYt+adSFE4jVX5fqgmS+iavgbpxqde6JL6Qrh0sKDA j3ihaFpAtCvWi1AD/9eECbzLNg== X-Google-Smtp-Source: ABdhPJzan8mC9QAWOYl9atk3ciaOsKSsGNokeW0oCmAohMtlA22gkQ4TEEWeqN2AFxVYgSjup8MD2w== X-Received: by 2002:a1c:a74b:: with SMTP id q72mr3068415wme.158.1615378672676; Wed, 10 Mar 2021 04:17:52 -0800 (PST) Received: from localhost ([2a01:4b00:8432:8a00:63de:dd93:20be:f460]) by smtp.gmail.com with ESMTPSA id a14sm30810152wrg.84.2021.03.10.04.17.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Mar 2021 04:17:52 -0800 (PST) Date: Wed, 10 Mar 2021 12:17:51 +0000 From: Chris Down To: Petr Mladek Cc: linux-kernel@vger.kernel.org, Sergey Senozhatsky , John Ogness , Johannes Weiner , Andrew Morton , Steven Rostedt , Greg Kroah-Hartman , Kees Cook , kernel-team@fb.com Subject: Re: [PATCH v5] printk: Userspace format enumeration support Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.0.5 (da5e3282) (2021-01-21) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey Petr, Chris Down writes: > $ head -1 vmlinux; shuf -n 5 vmlinux > # filename:line function "format" > <5> block/blk-settings.c:661 disk_stack_limits "%s: Warning: Device %s is misaligned\n" > <4> kernel/trace/trace.c:8296 trace_create_file "Could not create tracefs '%s' entry\n" > <6> arch/x86/kernel/hpet.c:144 _hpet_print_config "hpet: %s(%d):\n" > <6> init/do_mounts.c:605 prepare_namespace "Waiting for root device %s...\n" > <6> drivers/acpi/osl.c:1410 acpi_no_auto_serialize_setup "ACPI: auto-serialization disabled\n" Regardless of any of the internals, how does this format look to you? I ask because the sooner we agree on the format, the sooner I can provide an interim version of this patch to internal customers, even if the eventual implementation changes a little :-) Thanks, Chris