On Fri, Jul 16, 2021 at 11:13 PM gregkh@xxxxxxxxxxxxxxxxxxx <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Fri, Jul 16, 2021 at 02:50:04PM -0700, Dan Williams wrote: > > On Fri, Jul 16, 2021 at 2:08 PM Winiarska, Iwona > > > > > +} > > > > > +EXPORT_SYMBOL_NS_GPL(peci_controller_add, PECI); > > > > > > > > I think it's cleaner to declare symbol namespaces in the Makefile. In > > > > this case, add: > > > > > > > > cflags-y += -DDEFAULT_SYMBOL_NAMESPACE=PECI > > > > > > > > ...and just use EXPORT_SYMBOL_GPL as normal in the C file. > > > > > > > > > > I kind of prefer the more verbose EXPORT_SYMBOL_NS_GPL - it also > > > doesn't "hide" the fact that we're using namespaces (everything is in > > > the C file rather than mixed into Makefile), but it's not a strong > > > opinion, so sure - I can change this. > > > > > > > Perhaps as a tie breaker, the maintainer you are submitting this to, > > Greg, uses the -DDEFAULT_SYMBOL_NAMESPACE scheme in his subsystem, > > drivers/usb/. > > We did that because namespaces were added _after_ the kernel code was > already there. For new code like this, the original use of > EXPORT_SYMBOL_NS_GPL() is best as it is explicit and obvious. No need > to dig around in a Makefile to find out the namespace name. Fair enough. /me goes to update drivers/cxl/
