On Thu, Nov 30, 2017 at 04:39:38PM +0000, Will Deacon wrote: > + .macro tramp_ventry, regsize = 64 > + .align 7 > +1: > + .if \regsize == 64 > + msr tpidrro_el0, x30 > + .endif > + tramp_map_kernel x30 > + ldr x30, =vectors > + prfm plil1strm, [x30, #(1b - tramp_vectors)] > + msr vbar_el1, x30 > + add x30, x30, #(1b - tramp_vectors) > + isb > + br x30 > + .endm
It might be worth a comment that the real vectors will restore x30 from tpiddro_el0, since as-is, it looks like we're corrupting the value. Otherwise, this looks good to me. Thanks, Mark.
