arm64 kvm built with clang doesn't boot

[Mark Rutland]

On Fri, Mar 16, 2018 at 04:52:08PM +0000, Nick Desaulniers wrote:
> + Sami (Google), Takahiro (Linaro)
> 
> Just so I fully understand the problem enough to articulate it, we'd be
> looking for the compiler to keep the jump tables for speed (I would guess
> -fno-jump-tables would emit an if-else chain) but only emit relative jumps
> (not absolute jumps)?

Our main concern is that there is no absolute addressing. If that rules
out using a relative jump table, that's ok.

We want to avoid the fragility of collecting -f-no-* options as future
compiler transformations end up introducing absolute addressing.

Thanks,
Mark.