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Subjectsparc compile error caused by x86 arch updates
On Thu, Jan 31, 2008 at 05:15:23PM +0100, Ingo Molnar wrote:
>
> * Adrian Bunk <bunk@kernel.org> wrote:
>
> > On Thu, Jan 31, 2008 at 05:00:33PM +0100, Ingo Molnar wrote:
> > >
> > > * Adrian Bunk <bunk@kernel.org> wrote:
> > >
> > > > You tested x86 but broke more than half a dozen other archtectures,
> > > > with at least 3 different commits breaking other architectures.
> > >
> > > Note that all known breakages are fixed in current -git, except for the
> > > s390 problem that Martin/Nick posted the fix.
> >
> > What about the breakages caused by commit
> > a5a19c63f4e55e32dc0bc3d936d7f94793d8b380 (this commit broke the
> > defconfig compilation on at least avr32, blackfin, sh, sparc and uml)?
>
> the patch below fixes that.

The sparc breakage (might not have been reported until now and I
bisected it just a few minutes ago) is caused by the following part of
commit a5a19c63f4e55e32dc0bc3d936d7f94793d8b380:

--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -6,6 +6,7 @@
#include <linux/mmzone.h>
#include <linux/list.h>
#include <linux/sched.h>
+#include <linux/pagemap.h>

#include <asm/atomic.h>
#include <asm/page.h>

The compile error with the sparc defconfig is:

<-- snip -->

...
CC init/main.o
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/highmem.h:24,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:10,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swap.h:9,
from include2/asm/pgtable.h:15,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mm.h:39,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/asm-generic/dma-mapping.h:17,
from include2/asm/dma-mapping.h:6,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/dma-mapping.h:52,
from include2/asm/sbus.h:10,
from include2/asm/dma.h:13,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/bootmem.h:8,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/init/main.c:26:
include2/asm/highmem.h: In function 'kmap':
include2/asm/highmem.h:60: error: implicit declaration of function 'PageHighMem'
include2/asm/highmem.h:61: error: implicit declaration of function 'page_address'
include2/asm/highmem.h:61: warning: return makes pointer from integer without a cast
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/swap.h:9,
from include2/asm/pgtable.h:15,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mm.h:39,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/asm-generic/dma-mapping.h:17,
from include2/asm/dma-mapping.h:6,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/dma-mapping.h:52,
from include2/asm/sbus.h:10,
from include2/asm/dma.h:13,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/bootmem.h:8,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/init/main.c:26:
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h: In function 'lock_page':
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:169: error: implicit declaration of function 'TestSetPageLocked'
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h: In function 'wait_on_page_locked':
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:199: error: implicit declaration of function 'PageLocked'
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:200: error: 'PG_locked' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:200: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:200: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h: In function 'wait_on_page_writeback':
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:208: error: implicit declaration of function 'PageWriteback'
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/pagemap.h:209: error: 'PG_writeback' undeclared (first use in this function)
In file included from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/asm-generic/dma-mapping.h:17,
from include2/asm/dma-mapping.h:6,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/dma-mapping.h:52,
from include2/asm/sbus.h:10,
from include2/asm/dma.h:13,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/bootmem.h:8,
from /home/bunk/linux/kernel-2.6/git/linux-2.6/init/main.c:26:
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mm.h: At top level:
/home/bunk/linux/kernel-2.6/git/linux-2.6/include/linux/mm.h:556: error: conflicting types for 'page_address'
include2/asm/highmem.h:61: error: previous implicit declaration of 'page_address' was here
make[2]: *** [init/main.o] Error 1
make[1]: *** [init] Error 2
make: *** [sub-make] Error 2

<-- snip -->


> Ingo

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed



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