Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good
From: Steven Rostedt
Date: Mon Mar 22 2021 - 11:19:38 EST
On Mon, 22 Mar 2021 11:08:47 +0100
David Hildenbrand <david@xxxxxxxxxx> wrote:
>
> Wonder if "echo c > /proc/sysrq-trigger" already existed and would have
> worked back then. :)
>
>
Looks like sysrq-c was added in 2005:
commit 86b1ae38c0a62 ("kdump: sysrq trigger mechanism for kexec based crashdumps")
Thus the answer is "No, it would not have worked back then".
-- Steve