Re: [PATCH 04/14] x86/fpu: Remove 'kbuf' parameter from the copy_xstate_to_user() APIs

From: Borislav Petkov
Date: Mon Jan 30 2017 - 10:47:59 EST

On Mon, Jan 30, 2017 at 10:57:28AM +0100, Ingo Molnar wrote:
> Would anyone object to using u32 in these prototypes?

Well, would there be any disadvantage to forcing them to u32?
Potentially by something else wanting to use those interfaces besides
the regset thing and that something else doesn't like u32s?

Otherwise, I don't see a problem.

I mean, if 4G are not enough for xstate dimensions then we have a whole
different problem.


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