J.A. Magallon wrote:
> On 2002.12.08 Andrew Morton wrote:
>
>>Jeff Garzik wrote:
>>
>>>David S. Miller wrote:
>>>
>>>>Can't the cacheline_aligned attribute be applied to individual
>>>>struct members? I remember doing this for thread_struct on
>>>>sparc ages ago.
>>>
>>>Looks like it from the 2.4 processor.h code.
>>>
>>>Attached is cut #2. Thanks for all the near-instant feedback so far :)
>>> Andrew, does the attached still need padding on SMP?
>>
>
> What do you all think about this:
>
> #include <stdio.h>
>
> #define CACHE_LINE_SIZE 128
> #define ____cacheline_aligned __attribute__((__aligned__(CACHE_LINE_SIZE)))
>
> #define __cacheline_start struct { } ____cacheline_aligned;
if you can mark struct members with attributes, as it appears you can,
there's no need to define a struct.
Jeff
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This archive was generated by hypermail 2b29 : Sat Dec 07 2002 - 22:00:31 EST