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Date: Wed, 21 Oct 2015 16:59:32 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
Laurent Dufour <ldufour@...ux.vnet.ibm.com>,
"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>,
Pavel Emelyanov <xemul@...allels.com>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>
Subject: linux-next: build failure after merge of the akpm-current tree
Hi Andrew,
After merging the akpm-current tree, today's linux-next build (powerpc
allnoconfig) failed like this:
In file included from arch/powerpc/include/asm/thread_info.h:34:0,
from include/linux/thread_info.h:54,
from include/asm-generic/preempt.h:4,
from arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:59,
from include/linux/spinlock.h:50,
from include/linux/seqlock.h:35,
from include/linux/time.h:5,
from include/uapi/linux/timex.h:56,
from include/linux/timex.h:56,
from include/linux/sched.h:19,
from arch/powerpc/kernel/asm-offsets.c:17:
arch/powerpc/include/asm/pgtable.h: In function 'pte_pgprot':
arch/powerpc/include/asm/pte-common.h:104:18: error: '_PAGE_SOFT_DIRTY' undeclared (first use in this function)
_PAGE_EXEC | _PAGE_SOFT_DIRTY)
^
arch/powerpc/include/asm/page.h:359:22: note: in definition of macro '__pgprot'
#define __pgprot(x) (x)
^
arch/powerpc/include/asm/pgtable.h:39:79: note: in expansion of macro 'PAGE_PROT_BITS'
static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
^
arch/powerpc/include/asm/pte-common.h:104:18: note: each undeclared identifier is reported only once for each function it appears in
_PAGE_EXEC | _PAGE_SOFT_DIRTY)
^
arch/powerpc/include/asm/page.h:359:22: note: in definition of macro '__pgprot'
#define __pgprot(x) (x)
^
arch/powerpc/include/asm/pgtable.h:39:79: note: in expansion of macro 'PAGE_PROT_BITS'
static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
^
In file included from include/linux/mm.h:55:0,
from include/linux/mman.h:4,
from arch/powerpc/kernel/asm-offsets.c:22:
arch/powerpc/include/asm/pgtable.h: In function 'pte_mkdirty':
arch/powerpc/include/asm/pgtable.h:130:32: error: '_PAGE_SOFT_DIRTY' undeclared (first use in this function)
pte_val(pte) |= _PAGE_DIRTY | _PAGE_SOFT_DIRTY; return pte; }
^
In file included from arch/powerpc/include/asm/pgtable-ppc32.h:123:0,
from arch/powerpc/include/asm/pgtable.h:19,
from include/linux/mm.h:55,
from include/linux/mman.h:4,
from arch/powerpc/kernel/asm-offsets.c:22:
arch/powerpc/include/asm/pgtable.h: In function 'pte_modify':
arch/powerpc/include/asm/pte-common.h:97:38: error: '_PAGE_SOFT_DIRTY' undeclared (first use in this function)
_PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_SOFT_DIRTY)
^
arch/powerpc/include/asm/pgtable.h:139:33: note: in expansion of macro '_PAGE_CHG_MASK'
pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot);
^
./Kbuild:80: recipe for target 'arch/powerpc/kernel/asm-offsets.s' failed
Caused by commit
8bd232790748 ("powerpc/mm: add page soft dirty tracking")
I have reverted that commit for today.
--
Cheers,
Stephen Rothwell sfr@...b.auug.org.au
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