On 07/11/2011 03:45 AM, Sean Bolton wrote: > On Jul 10, 2011, at 6:34 PM, Sean Bolton wrote: >> On Jul 10, 2011, at 2:41 PM, Paul Davis wrote: >>> do we have SMP systems these days that do not guarantee cache coherency? >> >> Yes. PowerPC and Alpha do not. UltraSPARC v9 and ARMv6/ARM11 and later >> have modes where they do not (and linux on a SPARC v9 runs in that >> mode.) > > And how about the iPad 2?: > http://wanderingcoder.net/2011/04/01/arm-memory-ordering/
Good catch... Multi-core ARM devices are actually arriving massively. With Android, there's the Motorola Atrix, the Samsung Galaxy S II, etc.. I think it wouldn't hurt to run the ringbuffer tests again.. -- Olivier _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
