On Fri, Nov 21, 2014 at 08:48:58AM -0800, Linus Torvalds wrote: > > (The 64-bit mode also has a "WARN_ON_ONCE(in_nmi())", which I guess is > good - but it's good because the 64-bit version is written the way it > is).
Actually, in_nmi() is now safe for vmalloc faults. In fact, it handles the clobbering of the cr2 register just fine. I wrote tests to test this, and submitted patches to get rid of that warn on. But that never went through. https://lkml.org/lkml/2013/10/15/894 -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/