Messages in this thread | | | Date | Thu, 7 Mar 2019 09:46:54 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH 09/10] mm/hmm: allow to mirror vma of a file on a DAX backed filesystem |
| |
On Tue, 5 Mar 2019 20:20:10 -0800 Dan Williams <dan.j.williams@intel.com> wrote:
> My hesitation would be drastically reduced if there was a plan to > avoid dangling unconsumed symbols and functionality. Specifically one > or more of the following suggestions: > > * EXPORT_SYMBOL_GPL on all exports to avoid a growing liability > surface for out-of-tree consumers to come grumble at us when we > continue to refactor the kernel as we are wont to do.
The existing patches use EXPORT_SYMBOL() so that's a sticking point. Jerome, what would happen is we made these EXPORT_SYMBOL_GPL()?
> * A commitment to consume newly exported symbols in the same merge > window, or the following merge window. When that goal is missed revert > the functionality until such time that it can be consumed, or > otherwise abandoned.
It sounds like we can tick this box.
> * No new symbol exports and functionality while existing symbols go unconsumed.
Unsure about this one?
| |