Robin Murphy <robin.mur...@arm.com> 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
