[S390] runtime switch for qdio performance statistics

Remove CONFIG_QETH_PERF_STATS and use a sysfs attribute instead.
We want to have the ability to turn the statistics on/off at runtime.

Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

2 files changed, 0 insertions, 9 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 583d9ff0a571..a08e9100e7e4 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -258,14 +258,6 @@ config QDIO
 
           If unsure, say Y.
 
-config QDIO_PERF_STATS
-        bool "Performance statistics in /proc"
-        depends on QDIO
-        help
-          Say Y here to get performance statistics in /proc/qdio_perf
-
-          If unsure, say N.
-
 config QDIO_DEBUG
         bool "Extended debugging information"
         depends on QDIO
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 7cd51e73e274..a6ec919ba83f 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -134,7 +134,6 @@ CONFIG_RESOURCES_64BIT=y
 #
 CONFIG_MACHCHK_WARNING=y
 CONFIG_QDIO=y
-# CONFIG_QDIO_PERF_STATS is not set
 # CONFIG_QDIO_DEBUG is not set
 
 #