On Fri, Jul 24, 2015 at 9:32 PM, Borislav Petkov <b...@alien8.de> wrote: > On Fri, Jul 24, 2015 at 09:28:47PM -0700, Andy Lutomirski wrote: >> Yeah, I'm going to submit v2 with the simple approach. I admit I'm >> rather fond of xadd as a way to switch rsp and set a flag at the same >> time, though :) > > I know you are. > > But people will rip your head out if you added 60 cycles to the IRQ > path.
And people will give me five new heads if I ignore Linus and do RET even with IF=1, saving 300 cycles? --Andy -- 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/