Re: [Xen-devel] [PATCH 4/5] xen/arm: Cleanup use of __attribute__((packed))

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.03.14 at 10:55, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Thu, 2014-03-13 at 08:34 +0000, Jan Beulich wrote:
>> >>> On 12.03.14 at 20:08, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
>> > And standardise on having the statement at the head of the struct/union 
>> > rather
>> > than at the tail.  This is all mechanical shuffling.
>> 
>> Yet none of the attributes seem really necessary here.
> 
> These structs mirror the actual hardware PTE layouts, although it should
> make no difference in practice isn't __packed quite a useful indicator
> for this?

Yes - see my respective comments elsewhere on this series. All
I'm asking Andrew for is to get this done consistently: Either
retain the attribute on everything defining interfaces to lower
level entities (hardware/firmware), or drop them everywhere
where they don't serve a purpose beyond documentation.

Jan


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