diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2009-08-18 15:21:40 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 10:28:32 +1000 |
| commit | 797a747a82e23530ee45d2927bf84f3571c1acb2 (patch) | |
| tree | 1d198cf33c42d91b87116ea48dff71327f7bddae | |
| parent | 433abcdf321322495d83c8b571bdf7134622c734 (diff) | |
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>
| -rw-r--r-- | 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 cafb2a26954..b6b32487e74 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 */ |