[Skiboot] [PATCH] core/direct-controls: Add sreset support for P8
artemsen at gmail.com
Tue Feb 19 22:25:08 AEDT 2019
On Tue, Feb 19, 2019 at 02:32:08PM +1000, Nicholas Piggin wrote:
> Maxim Polyakov's on February 8, 2019 10:10 pm:
> > VESNIN server uses NMI SRESET signal to initiate memory dumping with
> > kdump in case of crash of the host OS. It is not necessary to return
> > control to the host's kernel since it has already crashed. This
> > commit allows for registration and handling of
> > opal_signal_system_reset signal for POWER8 based systems.
> > Signed-off-by: Maxim Polyakov <m.polyakov at yadro.com>
> Sorry just thinking about this a bit more, Linux will use this
> for a watchdog NMI IPI or xmon break if the token exists now,
> which can be annoying or unexpected.
> I can't think of the best way to proceed. Possibly a new call token, or
> a new value like NMI_IPI_ALL_OTHERS_CRASH? Any other ideas?
Actually, we don't need this patch and we have removed it.
Let's continue the discussion in the thread:
Software Engineer, YADRO.
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