On Mon, 2018-06-18 at 22:56 +0300, Andy Shevchenko wrote: > On Mon, Jun 18, 2018 at 6:49 PM, Joe Perches <joe@xxxxxxxxxxx> wrote: > > Perhaps bitmap_dup_user [or some better name] could or should > > be one of the helpers. > > Can you help with estimation how many existing users need this kind of > functionality? One of them evdev, which has an open coded variant. My estimation via cocci script below is 1 existing user, so it's almost certainly not worthwhile. $ cat copy_from_user.cocci @@ unsigned long *p; expression e1, e2; @@ * copy_from_user(p, e1, e2) -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
