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 <ga...@kernel.crashing.org>
---
arch/powerpc/mm/pgtable.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 627767d..4b9a27d 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -242,7 +242,7 @@ 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 */
--
1.6.0.6
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