Re: [PATCH RFC 0/3] drivers/char: remove /dev/kmem for good

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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




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