From: Christoph Hellwig > Sent: 18 September 2020 13:45 > > this series changes import_iovec to transparently deal with comat iovec > structures, and then cleanups up a lot of code dupliation. But to get > there it first has to fix the pre-existing bug that io_uring compat > contexts don't trigger the in_compat_syscall() check. This has so far > been relatively harmless as very little code callable from io_uring used > the check, and even that code that could be called usually wasn't. I thought about that change while writing my import_iovec() => iovec_import() patch - and thought that the io_uring code would (as usual) cause grief. Christoph - did you see those patches? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)