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Hermes SMTP Server) with ESMTPA ID dc21d25653818b99f5103f4d5b3f3aac; Sun, 18 Aug 2024 14:33:47 +0000 (UTC) From: nerdopolis To: Greg KH Cc: pmladek@suse.com, rostedt@goodmis.org, john.ogness@linutronix.de, senozhatsky@chromium.org, tglx@linutronix.de, tony@atomide.com, linux-kernel@vger.kernel.org, Bagas Sanjaya Subject: Re: VT-less kernels, and /dev/console on x86 Date: Sun, 18 Aug 2024 10:33:46 -0400 Message-ID: <6066116.alqRGMn8q6@nerdopolis2> In-Reply-To: <2024081821-taps-briskly-c23f@gregkh> References: <2669238.7s5MMGUR32.ref@nerdopolis2> <4805768.rnE6jSC6OK@nerdopolis2> <2024081821-taps-briskly-c23f@gregkh> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Mailer: WebService/1.1.22544 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.aol On Sunday, August 18, 2024 1:12:58 AM EDT Greg KH wrote: > On Sat, Aug 17, 2024 at 10:31:17PM -0400, nerdopolis wrote: > > The thought is that when distributions eventually decide to go VT-less they are > > not going to want to change the kernel boot options in the bootloader config to > > force console=ttynull, and might want this to happen automatically. > > If/when they want to do this, odds are a command line will be fine, or > they will build in ttynull properly into their kernels. > For new installs, I guess it would be fine, but for existing installs they would have to script out the changes to /etc/default/grub, and/or however systemd-boot handles default kernel command line arguments during the upgrade process. I couldn't get ttynull to be selected by default without the command line without the console=ttynull, even when building it into the kernel (not as a module) without the modification to printk.c > thanks, > > greg k-h >