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0xb6f1
2013 May 09
4
[PATCH] mini-os: eliminate duplicated definition of spin_unlock_wait
...spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
+#define spin_unlock_wait(x) arch_spin_unlock_wait(x)
#define _spin_trylock(lock) ({_raw_spin_trylock(lock) ? \
diff --git a/extras/mini-os/include/x86/arch_spinlock.h b/extras/mini-os/include/x86/arch_spinlock.h
index 4b8faf7..c08b6f1 100644
--- a/extras/mini-os/include/x86/arch_spinlock.h
+++ b/extras/mini-os/include/x86/arch_spinlock.h
@@ -17,7 +17,7 @@
*/
#define arch_spin_is_locked(x) (*(volatile signed char *)(&(x)->slock) <= 0)
-#define spin_unlock_wait(x) do { barrier(); } while(spin_is_locked(x))
+#define...