[PATCH 1/9] kernel: add a PF_FORCE_COMPAT flag

[Andy Lutomirski]

On Sun, Sep 20, 2020 at 12:23 PM Matthew Wilcox <willy at infradead.org> 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?

We could go one step farther and declare that we're done adding *any*
new compat syscalls :)



-- 
Andy Lutomirski
AMA Capital Management, LLC