oprofile: select RING_BUFFER

Impact: build fix OProfile now depends on the ring buffer infrastructure: arch/x86/oprofile/built-in.o: In function `oprofile_add_ibs_sample': : undefined reference to `ring_buffer_unlock_commit' Select TRACING and RING_BUFFER when oprofile is enabled. Signed-off-by: Ingo Molnar <[email protected]>
cail · Dec 12, 2008 · d69d59f · d69d59f
1 parent c4f5018
commit d69d59f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/Kconfig b/arch/Kconfig
@@ -6,6 +6,8 @@ config OPROFILE
 	tristate "OProfile system profiling (EXPERIMENTAL)"
 	depends on PROFILING
 	depends on HAVE_OPROFILE
+	select TRACING
+	select RING_BUFFER
 	help
 	  OProfile is a profiling system capable of profiling the
 	  whole system, include the kernel, kernel modules, libraries,