On Thu, Sep 21, 2017 at 2:51 PM, Eric Covener <cove...@gmail.com> wrote: > 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.
Right, it's missing some #ifdefs MMN too :)
