* FUJITA Tomonori | 2010-03-23 18:49:04 [+0900]: >On Sun, 21 Mar 2010 22:53:08 +0100 >Sebastian Andrzej Siewior <sebastian@xxxxxxxxxxxxx> wrote: > >> If the request has been made in user context it could be moved to a >> different CPU on a SMP machine between the copy and cache flush. Thus we >> could flush the dcache on the wrong CPU. > >This issue should be addressed in flush_dcache_page() inside? How so? You have to remain on the same CPU on which you started the copy process. Once you get to flush_dcache_page() you may have allready switched the CPU. Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
