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Date: Mon, 21 Feb 2022 15:47:55 +0100 From: Petr Mladek <pmladek@...e.com> To: Randy Dunlap <rdunlap@...radead.org> Cc: linux-kernel@...r.kernel.org, Sergey Senozhatsky <senozhatsky@...omium.org>, Steven Rostedt <rostedt@...dmis.org>, John Ogness <john.ogness@...utronix.de>, Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org Subject: Re: [PATCH v2] Docs: printk: add 'console=null|""' to admin/kernel-parameters On Wed 2022-02-16 12:37:45, Randy Dunlap wrote: > Tell about 'console=null|""' and how to use it. > > It can be helpful to set (enable) CONFIG_NULL_TTY so that the ttynull > driver is available. This avoids problems with stdin/stdout/stderr of > the init process. Howevere, CONFIG_NULL_TTY cannot be enabled by default > because it can be used by mistake [see commit a91bd6223ecd ("Revert > "init/console: Use ttynull as a fallback when there is no console").] > > Signed-off-by: Randy Dunlap <rdunlap@...radead.org> The patch is committed in printk/linux.git, branch for-5.18. Best Regards, Petr
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