On 20/09/2020 22:22, Matthew Wilcox wrote: > On Sun, Sep 20, 2020 at 08:10:31PM +0100, Al Viro wrote: >> IMO it's much saner to mark those and refuse to touch them from io_uring... > > Simpler solution is to remove io_uring from the 32-bit syscall list. > If you're a 32-bit process, you don't get to use io_uring. Would > any real users actually care about that? There were .net and\or wine (which AFAIK often works in compat) guys experimenting with io_uring, they might want it. -- Pavel Begunkov