On Monday 20 April 2015 12:54 PM, Baoquan He wrote: > On 04/16/15 at 10:17pm, Pratyush Anand wrote: >> >This patch adds support to use binary image ie arch/arm64/boot/Image. >> > >> >Binary image does not have sufficient knowledge to extract page offset >> >information, which is needed by kexec tool. Use a new command parameter >> >--page-offset, so that user can provide page offset information for >> >liner mapping. >> > >> >Signed-off-by: Pratyush Anand<panand at redhat.com> >> >--- > Seems there's a function get_kernel_page_offset used to get page_offset > automatically in arm. arm64 should have it either. > > ARM still takes user option for --page-offset in user_page_offset variable and then cross check that value with one found in /proc/kallsyms. May be for ARM64, we can read it like "value of symbol _text in /proc/kallsyms & 0xfffffffffff00000". ~Pratyush
