On Thursday 17 September 2009 13:47:58 Hu Mingkai-B21284 wrote:
> I traced the code and found the variable law_sz_enc got an
> error value when call __ilog2_u64 in the function set_ddr_laws.
>
> The inline function __ilog2_u64 will call fls inline function
> finally, but the fls is defined as a variable by the commit
> 52d61227b66d4099b39c8309ab37cb67ee09a405 in the platform specific
> bitops.h file.
>
> include/asm-ppc/bitops.h:
> static __inline__ int fls(unsigned int x)
> {
> return __ilog2(x) + 1;
> }
> #define fls
>
> So when called fls, which one will be used?
> From the experiments, I got the latter called, but I don't find
> the root reason, any clues?
This problem is already known, and Simon (on Cc) is currently working on a
patch to fix it. Should be ready this afternoon...
Cheers,
Stefan
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