On Sat, Dec 8, 2018, 8:36 PM Kevin Bowling <kevin.bowl...@kev009.com wrote:
> On Sat, Dec 8, 2018 at 12:09 AM Mateusz Guzik <mjgu...@gmail.com> wrote: > > > > > Fully satisfying solution would be that all architectures get 64-bit > > ops, even if in the worst case they end up taking a lock. Then > > subsystems would not have to ifdef on anything. However, there > > was some opposition to this proposal and I don't think this is > > important enough to push. > > Mateusz, > > Who is opposing this particular polyfill solution? Scott Long brought > up a situation in driver development where this would be useful as > well. The polyfills lower the cognitive load and #ifdef soup which > are the right call here regardless of performance on toy ports. > I don't recall seeing the opposition either. It would have to be a global lock for all 64bit atomics.... but I think it would only be 2 atomics on those architectures. Warner > _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
