X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=libringbuffer%2Fsmp.h;h=bef3e0ef7ff467c01e6937b70bcf3608eb9f51ac;hb=2b2d6ff75efc17aa74ea9b0a7f8c756d812804bb;hp=755c65fc52fb53e91ee59ddbd415cc0468cec2bf;hpb=1af3d49e997e5585079ff917d2435e9380a071b7;p=lttng-ust.git

diff --git a/libringbuffer/smp.h b/libringbuffer/smp.h
index 755c65fc..bef3e0ef 100644
--- a/libringbuffer/smp.h
+++ b/libringbuffer/smp.h
@@ -10,6 +10,7 @@
  */
 
 #include <lttng/core.h>
+#include "getcpu.h"
 
 /*
  * 4kB of per-cpu data available. Enough to hold the control structures,
@@ -28,45 +29,6 @@ int num_possible_cpus(void)
 	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)++)