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arm: allocate membarrier system call number
[urcu.git]
/
urcu
/
arch
/
ppc.h
diff --git
a/urcu/arch/ppc.h
b/urcu/arch/ppc.h
index 95393ea0be0ee89b888c64ad53322e41e30631c8..1784ccdfe4aed8663e9706dc99e3ff0833f509eb 100644
(file)
--- a/
urcu/arch/ppc.h
+++ b/
urcu/arch/ppc.h
@@
-24,6
+24,7
@@
#include <urcu/compiler.h>
#include <urcu/config.h>
#include <urcu/compiler.h>
#include <urcu/config.h>
+#include <urcu/syscall-compat.h>
#ifdef __cplusplus
extern "C" {
#ifdef __cplusplus
extern "C" {
@@
-58,6
+59,7
@@
extern "C" {
#define cmm_smp_wmb() __asm__ __volatile__ (LWSYNC_OPCODE:::"memory")
#define mftbl() \
#define cmm_smp_wmb() __asm__ __volatile__ (LWSYNC_OPCODE:::"memory")
#define mftbl() \
+ __extension__ \
({ \
unsigned long rval; \
__asm__ __volatile__ ("mftbl %0" : "=r" (rval)); \
({ \
unsigned long rval; \
__asm__ __volatile__ ("mftbl %0" : "=r" (rval)); \
@@
-65,6
+67,7
@@
extern "C" {
})
#define mftbu() \
})
#define mftbu() \
+ __extension__ \
({ \
unsigned long rval; \
__asm__ __volatile__ ("mftbu %0" : "=r" (rval)); \
({ \
unsigned long rval; \
__asm__ __volatile__ ("mftbu %0" : "=r" (rval)); \
@@
-72,6
+75,7
@@
extern "C" {
})
#define mftb() \
})
#define mftb() \
+ __extension__ \
({ \
unsigned long long rval; \
__asm__ __volatile__ ("mftb %0" : "=r" (rval)); \
({ \
unsigned long long rval; \
__asm__ __volatile__ ("mftb %0" : "=r" (rval)); \
@@
-101,6
+105,14
@@
static inline cycles_t caa_get_cycles(void)
}
#endif
}
#endif
+/*
+ * Define the membarrier system call number if not yet available in the
+ * system headers.
+ */
+#ifndef __NR_membarrier
+#define __NR_membarrier 365
+#endif
+
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
}
#endif
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