On Fri, 15 Feb 2008 15:47:24 -0800 Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote: > On Fri, 15 Feb 2008 15:37:32 -0800 Andrew Morton wrote: > > > On Fri, 15 Feb 2008 23:23:08 +0000 > > Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> wrote: > > > > > On Tue, Feb 12, 2008 at 12:48:13PM -0800, Greg KH wrote: > > > > I have tried, and successfully done this many times in the past. The > > > > kobject change was one example: add a new function, migrate all users of > > > > a direct pointer over to that function, after that work is all done and > > > > in, change the structure and do the needed work afterward. All is > > > > bisectable completly, with no big "flag day" needed. > > > > > > Incorrect - because this all happened far too quickly. This is one of > > > the reasons that I ended up having to redo various parts of the ARM tree > > > because stuff broke - set_kset_name() completely vanished introducing > > > compile errors, and iirc some merge issues as well. > > > > > > I had patches introducing new system objects which use that, and > > > modifications extremely close to other uses in the PXA code. > > > > > > The end result (through rebuilding the affected parts of my git tree, and > > > asking people for replacement patches) was something that is bisectable - > > > but had I tried to merge stuff as is, it would've been an utter mess, and > > > _was_ unbuildable. > > > > > > > I wonder why I didn't see any of this - I build arm allmodconfig at least > > once a week, usually more frequently. > > > > So either the offending patches weren't in my pile or arm allmodconfig is > > worse than I thought :( > > > > It really is in arch maintainers' best interest to keep their allmodconfig > > in good shape, for this reason. arm's _isn't_ in good shape: the compile > > fails for several long-standing reasons (eg: no hope of building DRM) and I > > don't think the coverage is very broad either. > > I think that Russell has said that allmodconfig isn't very realistic > for ARM, with its 70+ config files. You'd need to pick one board support and enable everything else you possibly can. - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
