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authorMichael Ellerman <mpe@ellerman.id.au>2022-07-25 13:49:22 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2022-07-25 13:49:22 +1000
commit3c69a99b62fde9de86a612ef1daaa07d95f0a773 (patch)
tree2a82c3ba8926092d35a9ef1ddc62a08cf19ac981 /lib/lockref.c
parentbe640317a1d0b9cf42fedb2debc2887a7cfa38de (diff)
parentff6992735ade75aae3e35d16b17da1008d753d28 (diff)
Merge tag 'v5.19-rc7' into fixes
Merge v5.19-rc7 into fixes to bring in: d11219ad53dc ("amdgpu: disable powerpc support for the newer display engine")
Diffstat (limited to 'lib/lockref.c')
-rw-r--r--lib/lockref.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/lib/lockref.c b/lib/lockref.c
index c6f0b183b937..45e93ece8ba0 100644
--- a/lib/lockref.c
+++ b/lib/lockref.c
@@ -111,31 +111,6 @@ int lockref_put_not_zero(struct lockref *lockref)
EXPORT_SYMBOL(lockref_put_not_zero);
/**
- * lockref_get_or_lock - Increments count unless the count is 0 or dead
- * @lockref: pointer to lockref structure
- * Return: 1 if count updated successfully or 0 if count was zero
- * and we got the lock instead.
- */
-int lockref_get_or_lock(struct lockref *lockref)
-{
- CMPXCHG_LOOP(
- new.count++;
- if (old.count <= 0)
- break;
- ,
- return 1;
- );
-
- spin_lock(&lockref->lock);
- if (lockref->count <= 0)
- return 0;
- lockref->count++;
- spin_unlock(&lockref->lock);
- return 1;
-}
-EXPORT_SYMBOL(lockref_get_or_lock);
-
-/**
* lockref_put_return - Decrement reference count if possible
* @lockref: pointer to lockref structure
*