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call_rcu: remove head field alignement, explain wfcqueue motivation
[urcu.git]
/
urcu
/
compiler.h
diff --git
a/urcu/compiler.h
b/urcu/compiler.h
index 974885a73f36c08e322bb6606bb3cd0e8e964ddd..cd4a49d19dc6e82f454027bfba76dc2f8eb14bf5 100644
(file)
--- a/
urcu/compiler.h
+++ b/
urcu/compiler.h
@@
-24,7
+24,7
@@
#define caa_likely(x) __builtin_expect(!!(x), 1)
#define caa_unlikely(x) __builtin_expect(!!(x), 0)
#define caa_likely(x) __builtin_expect(!!(x), 1)
#define caa_unlikely(x) __builtin_expect(!!(x), 0)
-#define cmm_barrier()
asm volatile
("" : : : "memory")
+#define cmm_barrier()
__asm__ __volatile__
("" : : : "memory")
/*
* Instruct the compiler to perform only a single access to a variable
/*
* Instruct the compiler to perform only a single access to a variable
@@
-38,7
+38,7
@@
* use is to mediate communication between process-level code and irq/NMI
* handlers, all running on the same CPU.
*/
* use is to mediate communication between process-level code and irq/NMI
* handlers, all running on the same CPU.
*/
-#define CMM_ACCESS_ONCE(x) (*(
volatile
__typeof__(x) *)&(x))
+#define CMM_ACCESS_ONCE(x) (*(
__volatile__
__typeof__(x) *)&(x))
#ifndef caa_max
#define caa_max(a,b) ((a)>(b)?(a):(b))
#ifndef caa_max
#define caa_max(a,b) ((a)>(b)?(a):(b))
@@
-70,7
+70,7
@@
})
#define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); }))
})
#define CAA_BUILD_BUG_ON_ZERO(cond) (sizeof(struct { int:-!!(cond); }))
-#define CAA_BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond))
+#define CAA_BUILD_BUG_ON(cond) ((void)
CAA_
BUILD_BUG_ON_ZERO(cond))
/*
* __rcu is an annotation that documents RCU pointer accesses that need
/*
* __rcu is an annotation that documents RCU pointer accesses that need
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