[PATCH] x86/uaccess: Avoid barrier_nospec() in copy_from_user()

[Borislav Petkov]

On Wed, Oct 16, 2024 at 03:32:32PM -0700, Linus Torvalds wrote:
> My preference would actually be to do nothing, on the assumption that
> the AMD issue is actually impossible to trigger (due to CLAC/STAC
> serializing memory address checks - which the timings certainly imply
> they do).

I'm verifying that assumption...

-- 
Regards/Gruss,
    Boris.

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