Re: [RFC PATCH 14/26] x86/alternatives: Handle native insns in text_poke_loc*()

[Peter Zijlstra]

On Tue, Apr 07, 2020 at 10:03:11PM -0700, Ankur Arora wrote:
>  struct text_poke_loc {
>  	s32 rel_addr; /* addr := _stext + rel_addr */
> -	s32 rel32;
> -	u8 opcode;
> +	union {
> +		struct {
> +			s32 rel32;
> +			u8 opcode;
> +		} emulated;
> +		struct {
> +			u8 len;
> +		} native;
> +	};
>  	const u8 text[POKE_MAX_OPCODE_SIZE];
>  };

NAK, this grows the structure from 16 to 20 bytes.