[PATCH v5 06/32] x86/mm: Add Secure Memory Encryption (SME) support

[Borislav Petkov]

On Tue, May 16, 2017 at 02:28:42PM -0500, Tom Lendacky wrote:
> It's most problematic when CONFIG_AMD_MEM_ENCRYPT is not defined since
> we never include an asm/ version from the linux/ path.  I could create
> a mem_encrypt.h in include/asm-generic/ that contains the info that
> is in the !CONFIG_AMD_MEM_ENCRYPT path of the linux/ version. Let me
> look into that.

So we need to keep asm/ and linux/ apart. The linux/ stuff is generic,
global, more or less. The asm/ is arch-specific. So they shouldn't be
overlapping wrt definitions, IMHO.

So asm-generic is the proper approach here because then you won't need
the ifndef fun.

Thanks.

-- 
Regards/Gruss,
    Boris.

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