From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f45.google.com (mail-ej1-f45.google.com [209.85.218.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFCF46BFDE for ; Fri, 1 Mar 2024 15:18:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709306308; cv=none; b=kcYOtHSN5Ke7UtnxlVFnXUFLOIumAa+/a2Bi7nvB6+njnCP+6oMpZDNQj0Mn8EWSIBPFOPXAELxbcKzA4v396KYeUxlqQHa6lEpv7aB8sQnT1kWjL8KRsaO+glb2eizNk99H7UXm68sKuutG/PSUDQEa7uxwCTUuXgTSi5eMpUw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709306308; c=relaxed/simple; bh=beAmNvfR879nx/BDX0OEsLcWJ25vfKK/Tq/Cb7bWRYo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=n8VGorCq4sPs918hPj0UBgVouqmJ1tUjHMMpnC7aGTLK/UmvadqUwojjFes70igKk6e9kScn5bVtL/9E5lfWCsHReNzeAvwVgCzHpiKx0cBLztYEvvu6s1Mr7AecqBX06HksKpyoJrK9hOyc/W6iHj2Ie33upfTQ6OE7uPssQSc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=DL3VrTm1; arc=none smtp.client-ip=209.85.218.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="DL3VrTm1" Received: by mail-ej1-f45.google.com with SMTP id a640c23a62f3a-a293f2280c7so429697066b.1 for ; Fri, 01 Mar 2024 07:18:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1709306305; x=1709911105; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=aos9MqXsF1xOY2jZMEtY/lcIeAPnqSm3ELtqtU4n2jQ=; b=DL3VrTm1O/jb5Rw9dgxVS0bJKjw98/jWX9Dww6PCYkBVY9oMG+M6aCrqPo4rLmb+6+ Kvotge3G5INXwl5uG3QIw1aDvrkeKozOuFcciwuiAovK7POQ9sGdYnxeeLobSP/qcVNA VcSP9qM1UNH0jjVNhEFz7ws2IwsMLsaUMu+eTyhoV9s6jLMuPCk/2Zyu2xL3sGxmOTKy f1TcsYbVJAoZat3MqSV17tM5DV/FBgJzCINf6dZE+ehbvOKCdYVU5dZsGGosOSPLagAw qikJkPq3l1UyuzGOhAA1mT4m70AX3cdp1F+osj6z2wP+39gNo81zPHljpIcpwyelvTCR /X/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1709306305; x=1709911105; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=aos9MqXsF1xOY2jZMEtY/lcIeAPnqSm3ELtqtU4n2jQ=; b=OHUb7oIbNiMm++4WJqstq6HKLHjTPtmakdurXurTHYjwJM9Ob14+XV3hI7f1dS04F/ luuHoFS1uesRq+YnkqVeL6uEdA3mJix9piibZgHXqHb5dkGwSl3bAM++laWqEjOSnFfC wZMReczNxHVF7OIIMP0m+FoUems2asajsdxhttSZtb4DrSOcHmHTQh445neBxPhdVXs8 c+/u1gzx7q0G4JhL3auiPTAqy6PfUJqhDqRXY1yCKrN+tTAV5lD/LeyV5Eg7XEIVNacU xc6sOx/ACM5qLDl8SouysGjwM8W3EcFROtCFbYSFte/B/FaXajC2zUr42oEs4OZT7FPv 9CWw== X-Forwarded-Encrypted: i=1; AJvYcCXeuiwk1mDQNWjNSmLdJQAL8FUNWPkHV7ehFNi79VU6rffxmzZ7P3ACr+I9qJzQSeefFnLqBncTnOPai1+rKZ8l/gRTFVdWll4+2/Zg X-Gm-Message-State: AOJu0Yyxe+ruaneZgHF6Ov2rUE99FPrWAdCwoCo1XdElVi8r/c+OEdqz /dRIHsm/qCVkKHsDy8OAWAegqvHwLGwMqXP8Kf7qX0lA6LN/hIhUY6sjw/R+BMM= X-Google-Smtp-Source: AGHT+IF5CguTytJh67cp9oC8R3rw4kdjmEM51Pfall6sFe8sSNqkIniachACb1r5c5idTKCMPG1aXA== X-Received: by 2002:a17:906:4107:b0:a44:378:d3b0 with SMTP id j7-20020a170906410700b00a440378d3b0mr1647858ejk.41.1709306305164; Fri, 01 Mar 2024 07:18:25 -0800 (PST) Received: from alley ([176.114.240.50]) by smtp.gmail.com with ESMTPSA id n9-20020a170906688900b00a44b975170csm148256ejr.190.2024.03.01.07.18.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Mar 2024 07:18:24 -0800 (PST) Date: Fri, 1 Mar 2024 16:18:23 +0100 From: Petr Mladek To: John Ogness Cc: Sergey Senozhatsky , Steven Rostedt , Thomas Gleixner , linux-kernel@vger.kernel.org, Peter Zijlstra , Ingo Molnar , Will Deacon , Waiman Long , Boqun Feng Subject: Re: [PATCH printk v2 26/26] lockdep: Mark emergency section in lockdep splats Message-ID: References: <20240218185726.1994771-1-john.ogness@linutronix.de> <20240218185726.1994771-27-john.ogness@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240218185726.1994771-27-john.ogness@linutronix.de> On Sun 2024-02-18 20:03:26, John Ogness wrote: > Mark an emergency section within print_usage_bug(), where > lockdep bugs are printed. In this section, the CPU will not > perform console output for the printk() calls. Instead, a > flushing of the console output is triggered when exiting > the emergency section. > > Signed-off-by: John Ogness The patch looks fine from my POV. Well, I expect that you will send another version addressing Waiman's concerns. Best Regards, Petr