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Re: [Xen-devel] [PATCH 07/12] xen: allow tmem to be disabled on platforms which do not support it (ARM)

>>> On 20.01.12 at 13:39, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Fri, 2012-01-20 at 12:36 +0000, Jan Beulich wrote:
>> >>> On 20.01.12 at 13:28, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
>> > On Fri, 2012-01-20 at 12:19 +0000, Stefano Stabellini wrote:
>> >> Why do we need this?
>> >> I though that tmem compiled OK on ARM.
>> > 
>> > But it can't possibly work, as evidenced by the missing symbol in
>> > dummy.S! There is no point in compiling something which cannot work.
>> But introducing random HAS_xyz variables isn't that pretty either. The
>> more that the term 'has' seems wrong to me in this case.
> yeah, I was copy the other similar variables. Probably ENABLE would be
> better in this case.
>> By just not wiring up the hypercall you could achieve the same effect.
> Really? I'd still need to ifdef out the hypercall body or I'd get
> unresolved symbols, wouldn't I?

Perhaps, but stubbing out dead symbols in a new port seems
prettier to me than cluttering common code.


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