Robin Murphy <robin.murphy@xxxxxxx> writes: > Hi Roy, > > On 29/03/17 22:13, Roy Pledge wrote: >> Use the shared-memory-pool mechanism for frame queue descriptor and >> packed frame descriptor record area allocations. > > Thanks for persevering with this - in my opinion it's now looking like > it was worth the effort :) > > AFAICS the ioremap_wc() that this leads to does appear to give back > something non-cacheable on PPC (assuming "pgprot_noncached_wc" isn't > horrendously misnamed), and "no-map" should rule out any cacheable > linear map alias existing, so it would seem that this approach should > avert Scott's concerns about attribute mismatches. How does 'no-map' translate into something being excluded from the linear mapping? cheers -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html