On Tue, Apr 22, 2014 at 10:25 AM, Catalin Marinas <[email protected]> wrote: > On Tue, Apr 22, 2014 at 04:02:19PM +0100, Arnd Bergmann wrote: >> On Saturday 19 April 2014, Thomas Petazzoni wrote:
[...] >> I would hope we can find a way to avoid the platform notifiers for >> mvebu as well and come up with a generic way to express this >> 'semi-coherent' mode. I believe x-gene has a similar issue, and >> I wouldn't be surprised if there are others like this. > > The solution is for the snooping unit to detect the DSB instruction > (which is propagated outside the CPU) and wait for the completion of the > coherency work (but we need more information from the hardware guys). If the solution was fixing broken h/w, we'd all be retired (or h/w designers). :) Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
