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[S390]: Fix build on 31-bit.

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Allow s390 to properly override the generic
__div64_32() implementation by:

1) Using obj-y for div64.o in s390's makefile instead
   of lib-y

2) Adding the weak attribute to the generic implementation.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-04-10 22:10:39 -07:00
parent efd1e8d569
commit cb8c181f28
3 changed files with 2 additions and 4 deletions
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2
arch/s390/lib/Makefile
View file

@ -5,6 +5,6 @@
EXTRA_AFLAGS := -traditional
lib-y += delay.o string.o uaccess_std.o uaccess_pt.o qrnnd.o
lib-$(CONFIG_32BIT) += div64.o
obj-$(CONFIG_32BIT) += div64.o
lib-$(CONFIG_64BIT) += uaccess_mvcos.o
lib-$(CONFIG_SMP) += spinlock.o

2
arch/s390/lib/div64.c
View file

@ -147,5 +147,3 @@ uint32_t __div64_32(uint64_t *n, uint32_t base)
}
#endif /* MARCH_G5 */
EXPORT_SYMBOL(__div64_32);

2
lib/div64.c
View file

@ -23,7 +23,7 @@
/* Not needed on 64bit architectures */
#if BITS_PER_LONG == 32
uint32_t __div64_32(uint64_t *n, uint32_t base)
uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base)
{
uint64_t rem = *n;
uint64_t b = base;