On 09/17/17 10:47, Paul E. McKenney wrote: > On Sat, Sep 16, 2017 at 09:41:45PM -0700, Paul E. McKenney wrote: >> On Sat, Sep 16, 2017 at 06:26:04PM -0700, Randy Dunlap wrote: >>> On 4.14-rc1, I am seeing lots of warnings on rcu kernel-doc: >>> >>> .. kernel-doc:: include/linux/rcupdate.h >>> :external: >>> ./Documentation/core-api/kernel-api.rst:357: ERROR: Error in "kernel-doc" directive: >>> unknown option: "external". >> >> $ grep external include/linux/rcupdate.h >> * by a single external-to-structure RCU-protected pointer, then you may >> * external-to-structure pointer -after- you have completely initialized >> >> Do these comments somehow qualify as an "external" option? If so, how >> do I tell kernel-doc to ignore them? Or must I reword them to avoid >> the word "external"? >> >>> .. kernel-doc:: include/linux/rcupdate_wait.h >>> :external: >>> ./Documentation/core-api/kernel-api.rst:360: ERROR: Error in "kernel-doc" directive: >>> unknown option: "external". >> >> $ grep external include/linux/rcupdate_wait.h >> >> There is no occurrence of the string "external" in this file. So this >> "external" option is unknown to me as well. So, any hints on how I >> should interpret these error messages? > > And thanks to Akira Yokosawa for pointing out my confusion in reading > these error messages. The line numbers of course apply to the file > Documentation/core-api/kernel-api.rst rather than the various RCU > C-language source files. > > The patch below removes the error messages for me. Is this what you > had in mind? (Might need other options at some point, but somewhere > to start.) > Yes, much better. Thanks. Just some missing kernel-doc on parameters mostly remaining: ../include/linux/rcupdate.h:818: warning: No description found for parameter 'p' ../include/linux/rcupdate.h:818: warning: No description found for parameter 'v' ../include/linux/rcupdate.h:826: warning: No description found for parameter 'p' ../include/linux/rcupdate.h:826: warning: No description found for parameter 'v' ../include/linux/srcu.h:95: warning: No description found for parameter 'sp' ../kernel/rcu/srcutree.c:873: warning: No description found for parameter 'rhp' ../kernel/rcu/srcutree.c:873: warning: Excess function parameter 'head' description in 'call_srcu' ../include/linux/rculist.h:302: warning: Incorrect use of kernel-doc format: * list_first_or_null_rcu - get the first element from a list ../include/linux/rculist.h:317: warning: No description found for parameter 'ptr' ../include/linux/rculist.h:317: warning: No description found for parameter 'type' ../include/linux/rculist.h:317: warning: No description found for parameter 'member' ../kernel/rcu/sync.c:94: warning: No description found for parameter 'rsp' ../kernel/rcu/sync.c:162: warning: No description found for parameter 'rcu' ../kernel/rcu/sync.c:162: warning: Excess function parameter 'rsp' description in 'rcu_sync_func' > > ------------------------------------------------------------------------ > > diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst > index 8282099e0cbf..30b2666bf494 100644 > --- a/Documentation/core-api/kernel-api.rst > +++ b/Documentation/core-api/kernel-api.rst > @@ -352,44 +352,44 @@ Read-Copy Update (RCU) > ---------------------- > > .. kernel-doc:: include/linux/rcupdate.h > - :external: > + :export > > .. kernel-doc:: include/linux/rcupdate_wait.h > - :external: > + :export > > .. kernel-doc:: include/linux/rcutree.h > - :external: > + :export > > .. kernel-doc:: kernel/rcu/tree.c > - :external: > + :export > > .. kernel-doc:: kernel/rcu/tree_plugin.h > - :external: > + :export > > .. kernel-doc:: kernel/rcu/tree_exp.h > - :external: > + :export > > .. kernel-doc:: kernel/rcu/update.c > - :external: > + :export > > .. kernel-doc:: include/linux/srcu.h > - :external: > + :export > > .. kernel-doc:: kernel/rcu/srcutree.c > - :external: > + :export > > .. kernel-doc:: include/linux/rculist_bl.h > - :external: > + :export > > .. kernel-doc:: include/linux/rculist.h > - :external: > + :export > > .. kernel-doc:: include/linux/rculist_nulls.h > - :external: > + :export > > .. kernel-doc:: include/linux/rcu_sync.h > - :external: > + :export > > .. kernel-doc:: kernel/rcu/sync.c > - :external: > + :export > > > -- -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
