X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=libringbuffer%2Fsmp.h;h=479a9dc60a01c9810d166ed1944e8fc7dfb4ecb0;hb=HEAD;hp=755c65fc52fb53e91ee59ddbd415cc0468cec2bf;hpb=4318ae1be57eb7983ab4857a7a8eeb4a030a8216;p=lttng-ust.git

diff --git a/libringbuffer/smp.h b/libringbuffer/smp.h
deleted file mode 100644
index 755c65fc..00000000
--- a/libringbuffer/smp.h
+++ /dev/null
@@ -1,73 +0,0 @@
-#ifndef _LIBRINGBUFFER_SMP_H
-#define _LIBRINGBUFFER_SMP_H
-
-/*
- * libringbuffer/smp.h
- *
- * Copyright 2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Dual LGPL v2.1/GPL v2 license.
- */
-
-#include <lttng/core.h>
-
-/*
- * 4kB of per-cpu data available. Enough to hold the control structures,
- * but not ring buffers.
- */
-#define PER_CPU_MEM_SIZE	4096
-
-extern int __num_possible_cpus;
-extern void _get_num_possible_cpus(void);
-
-static inline
-int num_possible_cpus(void)
-{
-	if (!__num_possible_cpus)
-		_get_num_possible_cpus();
-	return __num_possible_cpus;
-}
-
-/*
- * get_cpu() returns the current CPU number. It may change due to
- * migration, so it is only statistically accurate.
- */
-#ifndef UST_VALGRIND
-static inline
-int get_cpu(void)
-{
-	int cpu;
-
-	cpu = sched_getcpu();
-	if (caa_likely(cpu >= 0))
-		return cpu;
-	/*
-	 * If getcpu(2) is not implemented in the Kernel use CPU 0 as fallback.
-	 */
-	return 0;
-}
-
-#else	/* #else #ifndef UST_VALGRIND */
-static inline
-int get_cpu(void)
-{
-	/*
-	 * Valgrind does not support the sched_getcpu() vsyscall.
-	 * It causes it to detect a segfault in the program and stop it.
-	 * So if we want to check libust with valgrind, we have to refrain
-	 * from using this call. TODO: it would probably be better to return
-	 * other values too, to better test it.
-	 */
-	return 0;
-}
-#endif	/* #else #ifndef UST_VALGRIND */
-
-static inline
-void put_cpu(void)
-{
-}
-
-#define for_each_possible_cpu(cpu)		\
-	for ((cpu) = 0; (cpu) < num_possible_cpus(); (cpu)++)
-
-#endif /* _LIBRINGBUFFER_SMP_H */