Messages in this thread | | | Date | Sat, 19 Jul 2008 15:17:23 -0700 | From | Greg KH <> | Subject | Re: linux-next: Tree for July 18: warning at kernel/lockdep.c:2068 trace_hardirqs_on_caller |
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On Sat, Jul 19, 2008 at 02:59:12PM +0200, Vegard Nossum wrote: > On Sat, Jul 19, 2008 at 11:55 AM, Vegard Nossum <vegard.nossum@gmail.com> wrote: > > What I don't get here is how SLUB can be used this early in the boot > > process. Notice that this is still miles away from the > > > > SLUB: Genslabs=12, HWalign=128, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 > > > > line, which comes much later. And that kobject_init() _is_ calling > > kzalloc() via verify_dynamic_kobject_allocation(). Isn't this an > > error? > > > > (Unfortunately, my "git log" doesn't turn up any recent changes for > > any of the affected code paths here.) > > Ehe... and this is the reason why: The code was added by this patch: > > commit 0e3638d1e04040121af00195f7e4628078246489 > Author: Dave Hansen <haveblue@us.ibm.com> > Date: Thu Mar 16 17:30:16 2006 -0800 > > warn when statically-allocated kobjects are used > > ..which only exists in -next. Is that just a truly ancient patch, or > did somebody forget to adjust their clock?
It is truely a very old patch, that only lives in my tree, and currently isn't planned to go to Linus any year soon.
But it has a very long history of living in the -mm tree, and finding real bugs, it's just not "safe" enough to go to Linus's tree. Unless you think it is?
thanks,
greg k-h
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