* Andy Lutomirski <l...@amacapital.net> wrote:

> On May 28, 2015 1:16 AM, "Jan Beulich" <jbeul...@suse.com> wrote:
> >
> > While commit efa7045103 ("x86/asm/entry: Make user_mode() work
> > correctly if regs came from VM86 mode") claims that "user_mode() is now
> > identical to user_mode_vm()", this wasn't actually the case - no prior
> > commit made it so.
> 
> That's embarrassing!  I'm not sure how I screwed that up.

I should have noticed it too :-/

In fact I remember that I wanted to double check it all because the algorithmic 
complexity of the new test looked suspiciously too simple on the 32-bit side 
(we 
_did_ have a legitimate reason to keep the API split originally) - but forgot 
about it.

> Acked-by: Andy Lutomirski <l...@kernel.org>
> 
> This is needed for x86/urgent.

Yeah, queued it up.

> [...]  I'll see if I can write a simple test case, too.  My old do_bounds 
> test 
> should be a good start.

That kind of test would be absolutely fantastic to have.

Thanks,

        Ingo
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