Commit 261adc9a authored by Roel Kluin's avatar Roel Kluin Committed by Linus Torvalds

jump_label: unlikely(x) > 0

if (unlikely(x) > 0) doesn't seem to help branch prediction
Signed-off-by: default avatarRoel Kluin <roel.kluin@gmail.com>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 81e41ea2
...@@ -132,14 +132,14 @@ static __always_inline void jump_label_init(void) ...@@ -132,14 +132,14 @@ static __always_inline void jump_label_init(void)
static __always_inline bool static_key_false(struct static_key *key) static __always_inline bool static_key_false(struct static_key *key)
{ {
if (unlikely(atomic_read(&key->enabled)) > 0) if (unlikely(atomic_read(&key->enabled) > 0))
return true; return true;
return false; return false;
} }
static __always_inline bool static_key_true(struct static_key *key) static __always_inline bool static_key_true(struct static_key *key)
{ {
if (likely(atomic_read(&key->enabled)) > 0) if (likely(atomic_read(&key->enabled) > 0))
return true; return true;
return false; return false;
} }
......
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