Re: [PATCH v9 20/23] x86/virt/tdx: Reject updates during compatibility-sensitive operations

[Chao Gao]

> /* Bit definitions of TDX_FEATURES0 metadata field */
> #define TDX_FEATURES0_NO_RBP_MOD	BIT_ULL(18)
>+#define TDX_FEATURES0_UPDATE_COMPAT	BIT_ULL(47)

Sashiko pointed out that this definition is currently unused.

We do not pre-check this TDX_FEATURES0 bit. So, I will drop this definition
in the next revision.