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Message-ID: <482970DF.8020206@protei.ru>
Date: Tue, 13 May 2008 14:43:43 +0400
From: Nickolay Vinogradov <nickolay@...tei.ru>
To: Andrew Morton <akpm@...ux-foundation.org>
CC: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] asm-generic/bitops/fls64.h
Andrew Morton пишет:
> On Sun, 04 May 2008 22:58:50 +0400
> ____________________ ______________ ____________________ <nickolay@...tei.ru> wrote:
>
>> bugfix in fls64 on a big endian systems(against 2.6.25).
>>
>> Signed-off-by: Nickolay Vinogradov <nickolay@...tei.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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