On Thu, Sep 21, 2017 at 8:44 AM, Yann Ylavic <ylavic....@gmail.com> wrote: > On Thu, Sep 21, 2017 at 2:11 PM, Eric Covener <cove...@gmail.com> wrote: >> >> IIUC it should be safe to extend module_struct with a minor bump to >> add 'int flags' to the bottom, but when you check the value you'd need >> to check the MMN first. In the module you'd then just have some flags >> or'ed together after register_hooks. > > Something like the attached patch might do it (untested, no MMN minor bump). > >> >> (hopefully someone will check my work) > > Since modules (module_struct) are déclared globally, unspecified > fields at the end of the struct should be initialized to zero, so it > should be safe.
I was thinking about modules compiled against the previous definition / out of tree. -- Eric Covener cove...@gmail.com
