[POWERPC] PS3: Add logical performance monitor driver support

Add PS3 logical performance monitor (lpm) device driver.

The PS3's LV1 hypervisor provides a Logical Performance Monitor that
abstracts the Cell processor's performance monitor features for use
by guest operating systems.

Signed-off-by: Takashi Yamamoto <TakashiA.Yamamoto@jp.sony.com>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/ps3/Kconfig b/arch/powerpc/platforms/ps3/Kconfig
index 298f1c9679fb..a3d708fe5709 100644
--- a/arch/powerpc/platforms/ps3/Kconfig
+++ b/arch/powerpc/platforms/ps3/Kconfig
@@ -138,4 +138,17 @@ config PS3_FLASH
           be disabled on the kernel command line using "ps3flash=off", to
           not allocate this fixed buffer.
 
+config PS3_LPM
+        tristate "PS3 Logical Performance Monitor support"
+        depends on PPC_PS3
+        help
+          Include support for the PS3 Logical Performance Monitor.
+
+          This support is required to use the logical performance monitor
+          of the PS3's LV1 hypervisor.
+
+          If you intend to use the advanced performance monitoring and
+          profiling support of the Cell processor with programs like
+          oprofile and perfmon2, then say Y or M, otherwise say N.
+
 endmenu