Re: [PATCH 0/1] mspec driver: compile error

From: Fernando Luis Vzquez Cao <fernando_at_oss.ntt.co.jp>
Date: 2006-11-08 20:45:30
On Wed, 2006-11-08 at 10:42 +0100, Jes Sorensen wrote:
> Fernando Luis Vázquez Cao wrote:
> > On Tue, 2006-11-07 at 13:35 -0800, Andrew Morton wrote:
> > The problem occurs because i386 (as expected) does not define
> > IA64_UNCACHED_ALLOCATOR. I thought that making the select expression
> > depend on IA64 as shown below might silence allmodconfig:
> > 
> >   select IA64_UNCACHED_ALLOCATOR if IA64
> > 
> > But my guess was wrong and the same warning appeared. It seems that "if"
> > expressions do not prevent allmodconfig from checking the symbol
> > indicated by the select the "if" is conditioning. By the way, is this
> > the expected behaviour? If so, we need to get rid of the reverse
> > dependency, modify the "depends on" line accordingly, and make
> > IA64_UNCACHED_ALLOCATOR selectable. I may be missing the whole point so
> > please correct if I am wrong.
> 
> This patch is a bad solution as it requires people to manually select
> the uncached allocator. It should be enabled automatically by MSPEC,
> not the other way round.
> 
> Given that MSPEC is clearly marked as depending on IA64, it seems bogus
> for i386 allmodconfig to barf over it and the problem should be fixed
> there instead IMHO.
Agreed. That is why I asked if that was allmodconfig's expected
behaviour. Andrew?

Cheers,

Fernando

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Received on Wed Nov 08 20:45:38 2006

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