diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index 0414b0494dd3..160a3131a190 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -76,16 +76,20 @@ .align 7 .Lventry_start\@: #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 -alternative_if ARM64_UNMAP_KERNEL_AT_EL0 .if \el == 0 + /* + * This must be the first instruction of the EL0 vector entries. It is + * skipped by the trampoline vectors, to trigger the cleanup. + */ + b .Lskip_tramp_vectors_cleanup\@ .if \regsize == 64 mrs x30, tpidrro_el0 msr tpidrro_el0, xzr .else mov x30, xzr .endif +.Lskip_tramp_vectors_cleanup\@: .endif -alternative_else_nop_endif #endif sub sp, sp, #S_FRAME_SIZE @@ -934,7 +938,7 @@ __ni_sys_trace: #endif prfm plil1strm, [x30, #(1b - tramp_vectors)] msr vbar_el1, x30 - add x30, x30, #(1b - tramp_vectors) + add x30, x30, #(1b - tramp_vectors + 4) isb ret .org 1b + 128 // Did we overflow the ventry slot?