Re: [PATCH] x86/xsave: Robustify and merge macros
From: Quentin Casasnovas
Date: Fri Apr 03 2015 - 10:12:41 EST
On Fri, Apr 03, 2015 at 04:06:30PM +0200, Quentin Casasnovas wrote:
> On Thu, Apr 02, 2015 at 06:12:59PM +0200, Borislav Petkov wrote:
> > On Thu, Apr 02, 2015 at 05:52:10PM +0200, Quentin Casasnovas wrote:
> > > I've tried compiling this on top of v4.0-rc5 and I get a compile error
> > > because alt_end_marker isn't defined. Which other patches should I take to
> > > test this?
> > It needs tip/master.
> So I've had a look at tip/master and I don't _think_ commit
> 4332195 ("x86/alternatives: Add instruction padding")
> is correct.
> we can use something like this even more horrible line:
Derp! Already spotted a couple of errors below..
> .skip -(((145f - 144f) - ((-(((144f - 143f) - (141b - 140b)) > 0) * (144f - 143f)) +
> (-(((144f - 143f) - (141b - 140b)) <= 0) * (141b - 143b)))) > 0) *
> ((145f - 144f) - ((-(((144f - 143f) - (141b - 140b)) > 0) * (144f - 143f)) +
> (-(((144f - 143f) - (141b - 140b)) <= 0) * (141b - 143b))))
> This is obviously completely un-tested and not even compiled! :)
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/