ca0ad83da1
The Debian experimental linux source package (3.8.5-1) build fails with the following errors: ... MODPOST 2016 modules ERROR: "__ucmpdi2" [fs/btrfs/btrfs.ko] undefined! ERROR: "__ucmpdi2" [drivers/md/dm-verity.ko] undefined! The attached patch resolves this problem. It is based on the s390 implementation of ucmpdi2.c. Signed-off-by: John David Anglin <dave.anglin@bell.net> Cc: "James E.J. Bottomley" <jejb@parisc-linux.org> Signed-off-by: Helge Deller <deller@gmx.de>
25 lines
448 B
C
25 lines
448 B
C
#include <linux/module.h>
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union ull_union {
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unsigned long long ull;
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struct {
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unsigned int high;
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unsigned int low;
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} ui;
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};
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int __ucmpdi2(unsigned long long a, unsigned long long b)
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{
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union ull_union au = {.ull = a};
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union ull_union bu = {.ull = b};
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if (au.ui.high < bu.ui.high)
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return 0;
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else if (au.ui.high > bu.ui.high)
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return 2;
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if (au.ui.low < bu.ui.low)
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return 0;
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else if (au.ui.low > bu.ui.low)
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return 2;
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return 1;
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}
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