linux-kernel - Re: [PATCH] /proc/sysrq-trigger can now pause processing for one second

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Message-ID: <2023121858-aground-consent-cfe3@gregkh>
Date: Mon, 18 Dec 2023 13:18:20 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Tomáš Mudruňka <tomas.mudrunka@...il.com>
Cc: Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH] /proc/sysrq-trigger can now pause processing for one
 second

On Mon, Dec 18, 2023 at 01:13:34PM +0100, Tomáš Mudruňka wrote:
> > Bah, what's wrong with:
> >   echo e > /proc/sysrq-trigger
> >   sleep 2
> >   echo i > /proc/sysrq-trigger
> > ?
> 
> Your bash, or even ssh session being killed during the first line, not
> getting to the two subsequent lines.

What will kill it?  I feel like you are adding features to the kernel
that can be done in userspace, which is generally not a good idea.

thanks,

greg k-h