[Bug 51152] The 64-bit ntdll:exception test fails in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51152

--- Comment #12 from Paul Gofman <pgofman at codeweavers.com> ---
(In reply to Zebediah Figura from comment #10)
> I'm not immediately sure I understand how the kernel can be responsible for
> this. The AMD spec (volume 4 § 4.5.3) says "When a null selector is loaded
> into FS or GS, the contents of the corresponding hidden descriptor register
> are not altered." 

Yes, I read that as well but that's not what I see. I can imagine some ways how
kernel can affect that. The only way I see to find that out is to dig the
kernel code if there is anything about that.

Why I even think of some kernel-controlled quirk rather than a CPU bug is I
don't immediately see how Windows would handle such thing nicely, while the
test succeeds on Windows on the same AMD machine here.

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