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| author | Qi Zheng <zhengqi.arch@bytedance.com> | 2024-09-26 14:46:15 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-11-05 16:56:26 -0800 |
| commit | 7aefa59899e576db093ff077fd1ebd0d1b748f33 (patch) | |
| tree | 2066883a74b7ee6acd231444e1644e22d18bc3b4 /arch/powerpc/mm | |
| parent | 66efef9b1a7d6cc725efa9395fb390483ad5b555 (diff) | |
| download | lwn-7aefa59899e576db093ff077fd1ebd0d1b748f33.tar.gz lwn-7aefa59899e576db093ff077fd1ebd0d1b748f33.zip | |
powerpc: assert_pte_locked() use pte_offset_map_ro_nolock()
In assert_pte_locked(), we just get the ptl and assert if it was already
held, so convert it to using pte_offset_map_ro_nolock().
Link: https://lkml.kernel.org/r/42559e042eb6fc3129a40f710d671712030646b4.1727332572.git.zhengqi.arch@bytedance.com
Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Muchun Song <muchun.song@linux.dev>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/powerpc/mm')
| -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 7316396e452d..61df5aed7989 100644 --- a/arch/powerpc/mm/pgtable.c +++ b/arch/powerpc/mm/pgtable.c @@ -398,7 +398,7 @@ void assert_pte_locked(struct mm_struct *mm, unsigned long addr) */ if (pmd_none(*pmd)) return; - pte = pte_offset_map_nolock(mm, pmd, addr, &ptl); + pte = pte_offset_map_ro_nolock(mm, pmd, addr, &ptl); BUG_ON(!pte); assert_spin_locked(ptl); pte_unmap(pte); |