Re: [Xen-devel] headers.chk failing under certain circumstances.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.12.11 at 15:21, Keir Fraser <keir@xxxxxxx> wrote:
> On 13/12/2011 14:17, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> 
>>> Given that uint64_aligned_t is a
>>> sensible datatype to be using with the hypercall interface, fixing the
>>> check seems to be the correct solution.
>> 
>> Sensible or not, you would have to find a way to define such a type
>> in a compiler-independent (i.e. ANSI conforming) manner, and I'm
>> afraid you won't be able to.
> 
> Yes, as barbaric as it may seem you just have to make sure that uint64_t
> gets naturally 8-byte aligned. Luckily none of our interface structures are
> particularly large, and I believe you can get them checked for 32/64-bit
> invariance by adding them to xlat.lst.

... and invoking the resultant check macro somewhere in the sources.

Jan


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