On Tue, 2013-03-19 at 13:50 +0100, Stephane Eranian wrote: > > Should we not replace: > > > > regs.ip = 0; > > > > with that memset? It avoids the memset work in a few cases and > removes > > the then superfluous clearing of the IP field. > > > We could drop it because it's covered by the memset().
Yeah, but also place the memset a little lower than you did, avoids the stack writes when not needed. > The issue here was that you eventually end up in code_segment_base() > which > looks at other uninitialized fields in pt_regs and may cause breakage. Right, your changelog said so ;-) -- 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/