On 01/30/2014 09:08 PM, Waiman Long wrote:
> On 01/30/2014 03:55 AM, Raghavendra K T wrote:
>> On 01/28/2014 11:49 PM, Waiman Long wrote:
[...]
                   from kernel/bounds.c:9:
>> include/linux/log2.h: In function ‘__ilog2_u32’:
>> include/linux/log2.h:34:2: error: implicit declaration of function
>> ‘fls’ [-Werror=implicit-function-declaration]
>> include/linux/log2.h: In function ‘__ilog2_u64’:
>> include/linux/log2.h:42:2: error: implicit declaration of function
>> ‘fls64’ [-Werror=implicit-function-declaration]
>> include/linux/log2.h: In function ‘__roundup_pow_of_two’:
>> .
>> .
>> [trimmed]
>>
>
> The code will need to be compiled in either the latest linux tree as the
> patches have dependency on some new memory barrier that are in 3.14.
> Alternatively, you can compile with the latest tip tree.
>
> If you have already done that, please send me your config file so that I
> can reproduce the compilation error in my build environment.
>

I did compile on latest linux tree which had barrier.txt. May be I 'll
recheck if I am missing something obvious.

Here is .config attached