> > > The kexec use case is it depends on the pre-kexec kernel saving it > > > during boot for noefi case. I do not have a better idea to do it in > > > kexec code for the time being. > > > > How about something like this? > > Thanks! It works for me, however the legacy kexec_load syscall still > failed with a panic I did not dig into the root cause yet, I supposed > it will find the rsdp from /sys/firmware/efi/systab file, maybe some > userspace code bug.
FYI, the changes work with the latest upstream kexec-tools, In case someone is curious, it fixed the wrong "%lux" with ""0x%" PRIx64" Thanks Dave
