By defining depot_lock as a terminal spinlock, it reduces the lockdep overhead when this lock is being used.
Signed-off-by: Waiman Long <long...@redhat.com> --- lib/stackdepot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/stackdepot.c b/lib/stackdepot.c index e513459..fb17888 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -78,7 +78,7 @@ struct stack_record { static int depot_index; static int next_slab_inited; static size_t depot_offset; -static DEFINE_SPINLOCK(depot_lock); +static DEFINE_TERMINAL_SPINLOCK(depot_lock); static bool init_stack_slab(void **prealloc) { -- 1.8.3.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu