https://bugzilla.kernel.org/show_bug.cgi?id=215740 --- Comment #24 from Alan Stern (stern@xxxxxxxxxxxxxxxxxxx) --- Sorry, submitted the update too soon. I meant to add: Incidentally, the check for overlapping DMA mappings does not take into account the possibility that a mapping can extend over several cache lines. Maybe this wasn't deemed important enough to check for. But in any case, it seems clear that on x86 there shouldn't be anything wrong with allowing several different mappings to refer to the same cache line. -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
