latencytop: Change Kconfig dependency.

Change latencytop Kconfig entry so it doesn't list the archictectures
that support it. Instead introduce HAVE_LATENCY_SUPPORT which any
architecture can set. Should reduce patch conflicts.

Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Holger Wolf <wolf@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 65b449134cf7..93e66678e158 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -44,6 +44,9 @@ config LOCKDEP_SUPPORT
 config STACKTRACE_SUPPORT
         def_bool y
 
+config HAVE_LATENCYTOP_SUPPORT
+        def_bool y
+
 config SEMAPHORE_SLEEPERS
         def_bool y
 
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 89f4035b526c..0d8a5a4a789d 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -581,7 +581,7 @@ config LATENCYTOP
         select STACKTRACE
         select SCHEDSTATS
         select SCHED_DEBUG
-        depends on X86 || X86_64
+        depends on HAVE_LATENCYTOP_SUPPORT
         help
           Enable this option if you want to use the LatencyTOP tool
           to find out which userspace is blocking on what kernel operations.