On 08.03.2022 16:23, Bjoern Doebel wrote:
> @@ -127,15 +161,21 @@ int arch_livepatch_verify_func(const struct
> livepatch_func *func)
> void noinline arch_livepatch_apply(struct livepatch_func *func)
> {
> uint8_t *old_ptr;
> -uint8_t insn[sizeof(func->opaque)];
> +struct x86_livepa
Xen enabled CET for supporting architectures. The control flow aspect of
CET expects functions that can be called indirectly (i.e., via function
pointers) to start with an ENDBR64 instruction. Otherwise a control flow
exception is raised.
This expectation breaks livepatching flows because we patch
