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authorKumar Gala <galak@kernel.crashing.org>2009-08-18 15:21:40 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-08-20 10:28:32 +1000
commit797a747a82e23530ee45d2927bf84f3571c1acb2 (patch)
tree1d198cf33c42d91b87116ea48dff71327f7bddae /arch/powerpc/mm/pgtable.c
parent433abcdf321322495d83c8b571bdf7134622c734 (diff)
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op-kernel-dev-797a747a82e23530ee45d2927bf84f3571c1acb2.tar.gz
powerpc/mm: Fix assert_pte_locked to work properly on uniprocessor
Since the pte_lockptr is a spinlock it gets optimized away on uniprocessor builds so using spin_is_locked is not correct. We can use assert_spin_locked instead and get the proper behavior between UP and SMP builds. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/mm/pgtable.c')
-rw-r--r--arch/powerpc/mm/pgtable.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index cafb2a2..b6b3248 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -254,7 +254,7 @@ void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
BUG_ON(pud_none(*pud));
pmd = pmd_offset(pud, addr);
BUG_ON(!pmd_present(*pmd));
- BUG_ON(!spin_is_locked(pte_lockptr(mm, pmd)));
+ assert_spin_locked(pte_lockptr(mm, pmd));
}
#endif /* CONFIG_DEBUG_VM */
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