* Woodruff, Richard <r-woodruff2@xxxxxx> [080331 15:18]: > > > > Attached is a rev-4 with the cpu_relax() added to while loops as > > > > suggested by Ladislav, and CTRL register defines moved to the > right > > > > location. > > > > > > I confirm this version of the patch works on 3430 with latest > kernel. > > > > I'll push the rev-4 version of the patch today. The second patch needs > > a bit more work still. > > Great. > > I've been testing on a few systems with a functional variant of the 1st > + 2nd patch back ported to older TI CDP kernels. So far I've only ran > into positive side effects. No noticeable load, pass normal functional > tests, and still able to hit all low power states. > > In that variant I just added a load_start() function in addition to the > load function and converted all the in tree callers to use this as they > all called load() then start() in order anyway. This left the API > behavior the same but optimized all current users. Can you send a patch against l-o tree for the load_start()? That might be optimized enough :) Tony > Regards, > Richard W. > > I did get my ETM adaptor board back so I have been able to verify > directly. ETM is cool in that you can get (depending on filtering) > almost a 60 second complete capture of instruction execution during some > use case. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
