On 09/11/2014 03:18 PM, Thomas Gleixner wrote: > On Thu, 11 Sep 2014, Qiaowei Ren wrote: >> This patch sets bound violation fields of siginfo struct in #BR >> exception handler by decoding the user instruction and constructing >> the faulting pointer. >> >> This patch does't use the generic decoder, and implements a limited >> special-purpose decoder to decode MPX instructions, simply because the >> generic decoder is very heavyweight not just in terms of performance >> but in terms of interface -- because it has to. > > And why is that an argument to add another special purpose decoder?
Peter asked for it to be done this way specifically: https://lkml.org/lkml/2014/6/19/411 -- 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/