On Thu, Dec 19, 2013 at 03:49:42PM +0100, Frederic Weisbecker wrote: > On Thu, Dec 19, 2013 at 04:30:53PM +0200, Alexander Shishkin wrote: > > Or the interface and implementation of BTS support in the kernel > > discourage its use and that is why it is so rarely used. > > I never heard complains about it. It's a simple dump of from/to address > couples. > I just think nobody take the time to develop userspace tooling to exploit it. > But it's famous slowness might have had a bad influence on this. And may be > also the fact that it's very architecture specific. AMD doesn't support BTS > if I recall > correctly. Or may be it has its own different implementation?
No AMD doesn't do anything like that. There was some attempt to cure some of the wobblies: https://lkml.org/lkml/2013/7/8/154 But people never pursued that. That said, if people want overwrite mode to work for PT we'd need to fix the same thing. -- 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/
