Messages in this thread | | | Date | Fri, 23 Apr 2010 07:13:35 +1000 | From | Neil Brown <> | Subject | Re: tip: origin tree build failure (x86, 32-bit, allyesconfig) |
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On Thu, 22 Apr 2010 11:12:41 -0700 (PDT) Linus Torvalds <torvalds@linux-foundation.org> wrote:
> > > On Thu, 22 Apr 2010, Ingo Molnar wrote: > > > > All 32-bit x86 builds (x86, allyesconfig) that enable RAID are failing with > > this build failure: > > > > drivers/built-in.o: In function `raid5_compute_sector': > > raid5.c:(.text+0x2e42ac): undefined reference to `__umoddi3' > > raid5.c:(.text+0x2e42d8): undefined reference to `__umoddi3' > > raid5.c:(.text+0x2e42ff): undefined reference to `__umoddi3' > > raid5.c:(.text+0x2e4327): undefined reference to `__umoddi3' > > raid5.c:(.text+0x2e4385): undefined reference to `__umoddi3' > > drivers/built-in.o:raid5.c:(.text+0x2e43bc): more undefined references to `__umoddi3' follow > > > > Caused by this commit: > > > > 35f2a59: md/raid5: allow for more than 2^31 chunks. > > Gaah, yes. > > How about just making it "unsigned long" instead of sector_t, and telling > people that if they have more than 2**32 chunks in their RAID array, they > should damn well use a 64-bit CPU. > > The alternative, of course, is to use "sector_div()" everywhere. Neil?
Sorry, using sector_div everywhere is definitely the right thing to do. Please pull one more patch from
git://neil.brown.name/md/ for-linus
Thanks, NeilBrown
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