[Qemu-devel] [PATCH] Remove unused spin_trylock() function

[Peter Maydell]

Remove the spin_trylock() function, as it is not used anywhere,
and is not even implemented if CONFIG_USE_NPTL is defined.

Signed-off-by: Peter Maydell <address@hidden>
---
 qemu-lock.h |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)

diff --git a/qemu-lock.h b/qemu-lock.h
index 9a3e6ac..65ca084 100644
--- a/qemu-lock.h
+++ b/qemu-lock.h
@@ -224,11 +224,6 @@ static inline void spin_unlock(spinlock_t *lock)
 {
     resetlock(lock);
 }
-
-static inline int spin_trylock(spinlock_t *lock)
-{
-    return !testandset(lock);
-}
 #else
 static inline void spin_lock(spinlock_t *lock)
 {
@@ -237,11 +232,6 @@ static inline void spin_lock(spinlock_t *lock)
 static inline void spin_unlock(spinlock_t *lock)
 {
 }
-
-static inline int spin_trylock(spinlock_t *lock)
-{
-    return 1;
-}
 #endif
 
 #endif
-- 
1.7.1