On March 2, 2016 8:25:30 AM PST, Borislav Petkov <b...@alien8.de> wrote: >On Wed, Mar 02, 2016 at 11:22:30AM -0500, Brian Gerst wrote: >> This should be: movq stack_start(%rip), %rsp > >No it wouldn't. That doesn't work. > >> > + subq $__START_KERNEL_map, %rsp >> >> It would be better to add the offset to the initializer for >> stack_start instead of adjusting it at runtime. That would require >> moving the existing load of stack_start from the common path to the >> secondary startup, > >This is the BSP we're talking about - no secondary startup. We want to >run >verify_cpu as early as possible.
Please explain why we can't use rip-relative addressing in some form... -- Sent from my Android device with K-9 Mail. Please excuse brevity and formatting.
