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Re: [Xen-devel] Build problems: references to init_mm in pgtable*.h
| To: | Stephen Tweedie <sct@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Build problems: references to init_mm in pgtable*.h |
| From: | Christian Limpach <christian.limpach@xxxxxxxxx> |
| Date: | Tue, 13 Dec 2005 19:34:27 -0800 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 14 Dec 2005 03:36:07 +0000 |
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| Reply-to: | Christian.Limpach@xxxxxxxxxxxx |
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On 12/5/05, Stephen Tweedie <sct@xxxxxxxxxx> wrote:
> My normal xen .config will not build on recent linux-2.6-merge.hg trees.
> The problem is the
> include/asm-i386/mach-xen/asm/pgtable-2level.h
> and
> include/asm-i386/mach-xen/asm/pgtable-3level.h
> files, which reference "init_mm" without ever pulling in a definition of
> those files.
>
> Whether you see the problem or not depends on the .config; most files
> which include the pgtable*.h includes already pull in sched.h (which is
> where init_mm is declared), but not all do so. Trivial patch attached,
> but it's not necessarily the best solution as we don't want sched.h
> changes polluting mm .o's unnecessarily.
I've changed the set_pte_at and set_pte_at_sync inline functions to be
macros. This way, init_mm only needs to be defined where these macros
are used.
Does this fix all the errors you're seeing?
christian
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