From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D028219DF4D; Thu, 5 Sep 2024 14:09:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725545355; cv=none; b=glIc81rB/wgEcw1tNMc1DK1qw2JQmEqWX83veWvjHsYPhz1jwQnTVMpKD0kf0V3svSleBmfslGX0JfyYIOtidhn5R9P8sRFUZEc39R6AC/vDYqEGdE89M6Q8OaTo5kI6EtFApPLQjFYu8XooUHE9durU6Gfbxpyw6oFn3Tlh3mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725545355; c=relaxed/simple; bh=fLfEK5nmEj951+8kWCi5bB5LhgjnTjib2vsqlmyHJWs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jH/akKzLdmMALihKC5yoO2IGIWR4YpZbin654+ImLTAM4vdEZknw16Qq1L5A3sGFdmyJjmo/BAHlnWBSIDh5xosGKn+caTXRNEuKypV7oiODsjaZ7JCZaHhjM4RXEtaPlT9wSES/3lc9e0WYnsFQbrB94KreQMLpmfgZi2iGMKw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XMQtd0mZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="XMQtd0mZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B11A9C4CEC3; Thu, 5 Sep 2024 14:09:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725545355; bh=fLfEK5nmEj951+8kWCi5bB5LhgjnTjib2vsqlmyHJWs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XMQtd0mZyeO/vIHaf0ZTy/bsrsMSyqImF/BH7UuQOs+pXRtta5kCVv54BnDfJTPNM iGipASz2XfNLuh1okn8YmHrr36AT5n5afGdO+vWn4hBaP6Byox8KzK9WY9CNu2Qxv9 Z2yRfRnn9jn3lf3TWGbKSldop+pFRqvquw8jF/II= Date: Thu, 5 Sep 2024 16:09:12 +0200 From: Greg Kroah-Hartman To: John Ogness Cc: Jiri Slaby , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , Thomas Gleixner , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Shevchenko , Tony Lindgren , "Paul E. McKenney" , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Serge Semin , Rengarajan S , Wolfram Sang , Florian Fainelli , Jeff Johnson , Lino Sanfilippo , Derek Barbosa Subject: Re: [PATCH tty-next v1 0/2] convert 8250 to nbcon Message-ID: <2024090554-mating-humiliate-292b@gregkh> References: <20240905134719.142554-1-john.ogness@linutronix.de> Precedence: bulk X-Mailing-List: linux-serial@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: <20240905134719.142554-1-john.ogness@linutronix.de> On Thu, Sep 05, 2024 at 03:53:17PM +0206, John Ogness wrote: > The recent printk rework introduced a new type of console NBCON > that will perform printing via a dedicated kthread during > normal operation. For times when the kthread is not available > (early boot, panic, reboot/shutdown) the NBCON console will > print directly from the printk() calling context (even if from > NMI). > > Futher details about NBCON consoles are available here [0]. Really? That link calls them "NOBKL", is that the same thing? confused, greg k-h