Re: [PATCH 7/10] compiler{,-gcc4}.h: Introduce __flatten function attribute

Daniel Santos
2012-09-29T00:43:50Z

On 09/28/2012 07:26 PM, Josh Triplett wrote:
> On Fri, Sep 28, 2012 at 06:20:08PM -0500, Daniel Santos wrote:
>> --- a/include/linux/compiler-gcc4.h
>> +++ b/include/linux/compiler-gcc4.h
>> @@ -15,7 +15,12 @@
>>
>> #if GCC_VERSION >= 40102
>> # define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
>> -#endif
>> +
>> +/* flatten introduced in 4.1, but broken in 4.6.0 (gcc bug #48731)*/
>> +# if GCC_VERSION != 40600
>> +# define __flatten __attribute__((flatten))
>> +# endif
>> +#endif /* GCC_VERSION >= 40102 */
> Same comment as before: why 40102 rather than 40100?
Again, I'm presuming building with 4.1.0 or 4.1.1 will always have the
build broken earlier. I don't have any objections to changing this, but
it would seem that the issue with the __weak attribute needs to be resolved.

Daniel