Re: [PATCH 08/14] sched: add latency tracing for -deadline tasks.

[Peter Zijlstra]

On Wed, Nov 27, 2013 at 04:46:00PM +0100, Ingo Molnar wrote:
> 
> * Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> 
> > On Wed, Nov 27, 2013 at 04:35:19PM +0100, Ingo Molnar wrote:
> > > So why does GCC then behave like this:
> > 
> > I think because its a much saner behaviour; also it might still be the
> > spec actually says this, its a somewhat opaque text.
> > 
> > Anyway, yes GCC seems to behave as we 'expect' it to; I just can't find
> > the language spec actually guaranteeing this.
> 
> So from C99 standard §6.7.8 (Initialization)/21:
> 
>     "If there are fewer initializers in a brace-enclosed list than 
>   there are elements or members of an aggregate, or fewer characters 
>   in a string literal used to initialize an array of known size than 
>   there are elements in the array, the remainder of the aggregate 
>   shall be initialized implicitly the same as objects that have static 
>   storage duration."
> 
> static initialization == zeroing in this case.

Hurm for some reason I thought that was for static objects only.


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