[patch v2] manual: Update signal descriptions

[Stefan Liebler]

On 1/21/25 11:14, Andreas Schwab wrote:
> On Jan 21 2025, Florian Weimer wrote:
> 
>> Stefan, does s390x call these notifications “ctrl-alt-del
>> notifications”, or this there some other name for them?  Is this kernel
>> code path really active on current systems?
> 
> It is also available as function key 0x020c (Boot) in the vt keyboard
> driver, and used by various other drivers in the kernel (look for
> kill_cad_pid and ctrl_alt_del).
> 

FYI: I've asked around in our kernel-team and the answer:
Yes, the kernel sends SIGPWR on a machine check warning.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/s390/kernel/nmi.c#n177

Thus the description is fine.

Thanks,
Stefan