On Wednesday, March 18, 2015 11:19:21 AM Ryan Stone wrote:
> On Wed, Mar 18, 2015 at 10:24 AM, John Baldwin <j...@freebsd.org> wrote:
> > I do think the normal zone callbacks passed to uma_zcreate() are too public
> > to change. Or at least, you would need to do some crazy ABI shim where you
> > have a uma_zcreate_new() that you map to uma_zcreate() via a #define for
> > the API, but include a legacy uma_zcreate() symbol that older modules can
> > call (and then somehow tag the old function pointers via an internal flag
> > in the zone and patch UMA to cast to the old function signatures for zones
> > with that flag).
> I really wasn't clear here. I definitely don't think that changing the
> ctor, etc to accept a size_t is MFC'able, and I don't think that the
> problem (which is really only theoretical at this point) warrants an MFC to
> -stable. I was talking about potentially doing it in a separate commit to
> head, but that does leave -stable and head with a different API. This can
> be painful for downstream consumers to deal with, which is why I wanted
I actually think the API change to fix the zone callbacks is fine to change
in HEAD. I don't think that is too disruptive for folks who might be
sharing code across branches (they can use a local typedef to work around
it or some such).
email@example.com mailing list
To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"