On Fri, Oct 18, 2019 at 11:43:01AM +0200, glider@xxxxxxxxxx wrote: > When data is copied to memory from a device KMSAN should treat it as > initialized. In most cases it's enough to just unpoison the buffer that > is known to come from a device. > In the case with __do_page_cache_readahead() and bio_copy_user_iov() we > have to mark the whole pages as ignored by KMSAN, as it's not obvious > where these pages are read again. I'm not sure how your annotations work because you only Cced me on this one patch. Don't do that.
