Andrew Donnellan <andrew.donnel...@au1.ibm.com> writes: > skiboot now supports "fast reboot", a reboot procedure where skiboot > reinitialises hardware and loads a new kernel without re-IPLing the > machine. At present, fast reboot support is still experimental and is not > enabled by default, however it is intended that it will be enabled by > default in a near-future release. > > There may be some circumstances where the user wants to force a full IPL > reboot rather than using fast reboot. Add support for the > OPAL_REBOOT_FULL_IPL reboot type, enabled by writing 1 to > /sys/firmware/opal/force_full_ipl_reboot. On versions of skiboot that > implement the OPAL_REBOOT_FULL_IPL reboot type, this will force an IPL. On > versions that do not, print an error message on reboot and proceed with a > regular reboot (which could be a full IPL or a fast reboot). > > Cc: Stewart Smith <stew...@linux.vnet.ibm.com> > Cc: Benjamin Herrenschmidt <b...@kernel.crashing.org> > Signed-off-by: Andrew Donnellan <andrew.donnel...@au1.ibm.com> > > --- > > Corresponding skiboot patch: http://patchwork.ozlabs.org/patch/697601/
FWIW I've just merged the skiboot patch. -- Stewart Smith OPAL Architect, IBM.
