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DateTue, 13 May 2008 14:43:43 +0400
FromNickolay Vinogradov <>
SubjectRe: [PATCH] asm-generic/bitops/fls64.h
Andrew Morton пишет:
> On Sun, 04 May 2008 22:58:50 +0400
> ____________________ ______________ ____________________ <nickolay@protei.ru> wrote:
> 
>> bugfix in fls64 on a big endian systems(against 2.6.25).
>>
>> Signed-off-by: Nickolay Vinogradov <nickolay@protei.ru>
>>
>> --
>>
>> diff --git a/include/asm-generic/bitops/fls64.h 
>> b/include/asm-generic/bitops/fls64.h
>> index 1b6b17c..2eedb6f 100644
>> --- a/include/asm-generic/bitops/fls64.h
>> +++ b/include/asm-generic/bitops/fls64.h
>> @@ -8,7 +8,7 @@ static inline int fls64(__u64 x)
>>          __u32 h = x >> 32;
>>          if (h)
>>                  return fls(h) + 32;
>> -       return fls(x);
>> +       return fls((__u32)x);
>>   }
>>
>>   #endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */
> 
> Please describe the bug which you are fixing?
> 
> Perhaps a more robust fix to <whatever the bug is> would be to
> repair fls() so that it works correctly when passed a u64.  Perhaps.

Repair fls64() so that it works correctly when passed a u64.

-- 
Nickolay Vinogradov
Protei Research and Development Center
St.Petersburg, 194044, Russia
Tel.: +7 812 449 47 27
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