Michael Ellerman <m...@ellerman.id.au> writes: > Andrew Donnellan <andrew.donnel...@au1.ibm.com> writes: > >> On 23/11/16 12:37, Andrew Donnellan wrote: >>>> There's existing logic in kernel/reboot.c to handle a reboot= command >>>> line parameter, which can set the reboot_mode, so my preference would be >>>> that we use that. >>>> >>>> Currently we completely ignore the reboot_mode, so there's no backward >>>> compatibility issue. >>>> >>>> It looks like the default is REBOOT_COLD, whatever that means. So I >>>> think we could define that on powernv REBOOT_HARD means "do a full IPL". >>> >>> Sounds good. >> >> Thinking about this more - you can't change that at runtime. :( > > Yeah. Is that a problem? From my POV this is basically a "my firmware is > broken" workaround, so you're going to want to set it permanently until > you update your firmware.
The only real world application I can see wanting to do that is perhaps HTX - where it chooses what kind of bootme run it wants. So, well, for certain definitions of "real world". -- Stewart Smith OPAL Architect, IBM.
