On Wed, 4 Apr 2018 09:49:27 +0200
Peter Zijlstra <pet...@infradead.org> wrote:

> On Tue, Apr 03, 2018 at 05:06:12PM -0400, Steven Rostedt wrote:
> > If you are concerned about attack surface, I could make it a bit more
> > difficult to tweak by malicious software. What about the patch below?
> > It would be much more difficult to modify this knob from an attack
> > vector.  
> Not if you build using clang, because that doesn't support asm-goto and
> thus falls back to a simple runtime variable, which is exactly what Kees
> didn't want.

Fix clang ;-)

-- Steve

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