On Sat, Dec 13, 2014 at 10:06:06PM -0500, Benjamin Kaduk wrote: > On Sat, 13 Dec 2014, Chagin Dmitry wrote: > > > > Can you please say a bit more about why this is desired and what it will > > > be > > > used for? > > > > > If the kernel has been compiled with INVARIANTS _init() will assert that the > > lock has not been initialized multiple times. _NEW flag is needed to skip > > this. > > Yes, I have run into that assertion a few times; it helped me fix bugs in > my code. > > > as _init() does expect you to zero lock first. > > it should be used carefully, when you are sure its safe, > > to avoid bzero'ing lock struct. ugh > > I guess I'm still confused as why skipping the zeroing is useful. > Wouldn't it be a good practice to always zero? useful? no > > > Do you have any specific places in mind where you want to use this > functionality? That might help me understand. > sure, next commit
-- Have fun! chd _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
