Ralf Baechle <ralf@xxxxxxxxxxxxxx> writes: > The kernel is supposed to perform the necessary cache flushing, so any > remaining aliasing issue would be considered a bug. But the code is > performance sensitive, some of the problem cases are twisted and complex > so bugs and unsolved corner cases show up every now and then. Ok. This means I should also investigate the V4L2 and the hw driver code, because the cache aliasing shouldn't be there in the first place. > Does it work for you, even solve your problem? Sure, with 16 KB page size everything works fine. -- Krzysztof Halasa Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland
