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On 10-11-14 12:18 PM, Mathieu Desnoyers wrote: > * Paul E. McKenney ([email protected]) wrote: >> On Sun, Nov 14, 2010 at 11:29:37AM -0500, Mathieu Desnoyers wrote: >>> Hi Paul, >>> >>> We're currently deploying UST (and thus urcu) into MariaDB (it's also >>> deployed >>> in qemu), and it looks like there are some of our primitives that are >>> causing >>> namespacing clash, e.g. >>> >>> list_add >>> list_del >>> >>> etc. >>> >>> So I was wondering how we could proceed to change the namespace to something >>> that is not too confusing. Using a "rcu_" prefix is out of question, >>> because it >>> would confuse "rcu-related" primitives (e.g. a primitive designed to be >>> used in >>> a rcu read-side C.S. or update) with userspace-rcu-related primitives. >>> >>> E.g., for list.h, we don't want to name these "rcu_list_add" if they are not >>> RCU-aware. >>> >>> This would apply to other primitives, e.g.: >>> >>> barrier() >>> smp_mb() >>> .... >>> >>> So I would not want to use a prefix that is too long neither. >>> >>> So far, for the atomic operations, I've simply done: >>> >>> atomic_op() -> uatomic_op() (simply prepending a u). Do you think we could >>> use >>> this technique for the rest ? (e.g. ulist_add, usmp_mb, etc) >> >> Makes sense to me! > > Good! So David, can you prepare the renaming to add the "u" prefix as needed ? I just hope no name clash will happen again with this ulist_add and on.. I shall do that at the beginning of next week. David > >> >> Of course, at some point, it might make sense to have the list primitives >> in a separate user-level library. > > Yep. Although I'm already maintaining 3 separate packages. Seeing this number > grow even more makes me slightly uneasy. ;-) This is why, for now, it seems to > be a good idea to keep it simple and package the data structure headers in > urcu. > > Thanks, > > Mathieu > > - -- David Goulet LTTng project, DORSAL Lab. 1024D/16BD8563 BE3C 672B 9331 9796 291A 14C6 4AF7 C14B 16BD 8563 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkzgHp8ACgkQSvfBSxa9hWNwpgCfegC8jCKLmfhK1VAgsdFnNxM5 1SgAn35x7DtKpU16nOhsMIjNoTea3tz+ =EBEQ -----END PGP SIGNATURE----- _______________________________________________ ltt-dev mailing list [email protected] http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev
