On Thu, Apr 23, 2020 at 11:53:30AM +0200, Alexander Leidinger wrote: > Quoting Konstantin Belousov <kostikbel_at_gmail.com> (from Thu, 23 Apr 2020 > 12:22:48 +0300): > > > On Thu, Apr 23, 2020 at 09:46:02AM +0200, Alexander Leidinger wrote: > > > > > > Quoting Konstantin Belousov <kostikbel_at_gmail.com> (from Thu, 23 Apr 2020 > > > 10:04:12 +0300): > > > > > > MODULE_DEPEND() handles symbol namespaces. > > > > > > Since when is this the case (rough figure would be enough if someone knows > > > it without looking it up)? > > > > It is definitely so from the 5.x times, but I highly suspect that this was > > Thanks for the info. > > > the feature of 'new' modules from the beginning. > > I do not remember this behavior in 3.0. I remember cases where a module > didn't had a dependency and manually loading the dependency before was > enough. Memories alter over time, so I may be wrong... > I wouldn't be surprised if this behavior was introduced more in the > timeframe around amd64 or the reworking of module loading a while after > amd64 (may this is what you refer to as "new modules"). No, it predates amd64 for many years. There were 'lkm' modules, and dfr then implemented 'kld' modules, I think around 1998, mostly confirmed by svn log for link_elf.c. Namespace restriction for symbol lookup for dependencies only was in kld from the start.Received on Thu Apr 23 2020 - 08:30:21 UTC
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