Hi David, On Thu, Aug 13, 2015 at 04:50:40AM +0100, David Long wrote: > On 08/11/15 13:31, Will Deacon wrote: > > On Tue, Aug 11, 2015 at 01:52:38AM +0100, David Long wrote: > >> + REG_OFFSET_NAME(x30), > > > > Does this interact badly with perf tools, which expect to pass "lr" for > > x30? (see tools/perf/arch/arm64/include/perf_regs.h). > > > > Possibly, I can test that when I'm back from my short vacation this > week. The lr/x30 thing seems to be a recurring issue. Perhaps it is > best simply to add a reundant entry for x30 as "lr". It's simple enough > to do, although just slightly ugly looking as it would have to be done > without a macro. Would one ever use "x31" in place of "sp"?
No; "sp" should always be "sp". Let me know how you get on with perf. I couldn't quite tie the two ends together, but it does look like it expects "lr" to work. Will -- 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/
