On 09/04/2012 09:59 PM, Steven Rostedt wrote:
> On Tue, 2012-09-04 at 18:21 +0100, Pedro Alves wrote:
>> On 09/04/2012 06:17 PM, Steven Rostedt wrote:
>>> On Tue, 2012-09-04 at 17:40 +0100, Pedro Alves wrote:
>>>
>>>> BTW, you can also go a step further and remove the need to close with double }},
>>>> with something like:
>>>>
>>>> #define do_for_each_ftrace_rec(pg, rec) \
>>>> for (pg = ftrace_pages_start, rec = &pg->records[pg->index]; \
>>>> pg && rec == &pg->records[pg->index]; \
>>>> pg = pg->next) \
>>>> for (rec = pg->records; rec < &pg->records[pg->index]; rec++)
>>>>
>>>
>>> Yeah, but why bother? It's hidden in a macro, and the extra '{ }' shows
>>> that this is something "special".
>>
>> The point of both changes is that there's nothing special in the end
>> at all. It all just works...
>>
>
> It would still fail on a 'break'. The 'while' macro tells us that it is
> special, because in the end, it wont work.
Please explain why it would fail on a 'break'.
--
Pedro Alves
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