On 03/25/19 at 11:10pm, Junichi Nomura wrote: > On 3/25/19 9:32 PM, Borislav Petkov wrote: > > On Mon, Mar 25, 2019 at 08:23:02PM +0800, Dave Young wrote: > >> Kexec saved the original physical addresses, and pass them to kexeced > >> kernel via x86 setup_data, so both the early parsing or efi init code > >> need to get those physical values from setup_data. > > > > So efi_get_rsdp_addr() needs to be refactored in such a way so that at > > least the loop towards the end gets carved out into a separate function > > - __efi_get_rsdp_addr() or so - which gets config_tables, nr_tables and > > size as arguments and finds the RSDP address in the kexec-ed kernel. > > Since we still need to read systab for nr_tables and do signature > check to determine if it's 32bit or 64bit for kexec-ed kernel, > everything except the address of config_tables are common between > normal boot and kexec boot. Hmm, the efi/kexec support only added for 64bit, so no need check 32bit for kexec. Thanks Dave _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
