Michael Ellerman <m...@ellerman.id.au> writes: >> 2. On a bare metal machine, if you set ipr.fast_reboot=1 on the skiboot >> kernel, then we should also avoid resetting the ipr adapter, so ipr >> init on the kernel being kexec booted from skiboot should be extremely >> fast. > > OK, I didn't know that was an option, so that might help. > >> ... >> If you've got cases where ipr init is taking a long time, I'd be >> interested to know what scenarios are the most annoying to see if there >> is any opportunity to improve. > > Yeah booting bare metal is where I see it (not using ipr.fast_reboot).
Hrm... We should probably enable that by default for petitboot then. It'd at least cut some time off booting straight through to OS. -- Stewart Smith OPAL Architect, IBM.