Messages in this thread | | | Date | Thu, 22 Apr 2010 11:12:41 -0700 (PDT) | From | Linus Torvalds <> | Subject | Re: tip: origin tree build failure (x86, 32-bit, allyesconfig) |
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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?
Linus
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