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SubjectRe: [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files
On Fri, 12 Jul 2019, Thiago Jung Bauermann wrote:
> diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h
> index b310a9c18113..f2e399fb626b 100644
> --- a/include/linux/mem_encrypt.h
> +++ b/include/linux/mem_encrypt.h
> @@ -21,23 +21,11 @@
>
> #else /* !CONFIG_ARCH_HAS_MEM_ENCRYPT */
>
> -#define sme_me_mask 0ULL
> -
> -static inline bool sme_active(void) { return false; }
> static inline bool sev_active(void) { return false; }

You want to move out sev_active as well, the only relevant thing is
mem_encrypt_active(). Everything SME/SEV is an architecture detail.

> +static inline bool mem_encrypt_active(void) { return false; }

Thanks,

tglx

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