On Wed, Jul 23, 2014 at 09:07:32AM +0300, Adrian Hunter wrote: > On 07/22/2014 05:11 PM, Peter Zijlstra wrote: > > On Tue, Jul 22, 2014 at 11:00:34AM -0300, Arnaldo Carvalho de Melo wrote: > >> Em Tue, Jul 22, 2014 at 04:17:10PM +0300, Adrian Hunter escreveu: > >>> Intel PT decoding walks the object code to reconstruct > >>> the trace. A jump label change during tracing causes > >>> decoding errors. > > > > You'd better fix that, jump_labels can change any time and they're all > > over the frigging place. > > > > Perhaps a general method is needed to be able to deal with kernel > self-modifying code.
I know people are looking at doing the same to userspace, is that also a problem? -- 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/
