Merge branch 'perf' into devel

Conflicts:
	arch/arm/Kconfig

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7afc6150ac71..100b90f3778a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -20,6 +20,8 @@ config ARM
         select HAVE_GENERIC_DMA_COHERENT
         select HAVE_KERNEL_GZIP
         select HAVE_KERNEL_LZO
+        select HAVE_PERF_EVENTS
+        select PERF_USE_VMALLOC
         help
           The ARM series is a line of low-power-consumption RISC chip designs
           licensed by ARM Ltd and targeted at embedded applications and
@@ -877,6 +879,11 @@ config XSCALE_PMU
         depends on CPU_XSCALE && !XSCALE_PMU_TIMER
         default y
 
+config CPU_HAS_PMU
+        depends on CPU_V6 || CPU_V7 || XSCALE_PMU
+        default y
+        bool
+
 if !MMU
 source "arch/arm/Kconfig-nommu"
 endif
@@ -1181,6 +1188,14 @@ config HIGHPTE
         depends on HIGHMEM
         depends on !OUTER_CACHE
 
+config HW_PERF_EVENTS
+        bool "Enable hardware performance counter support for perf events"
+        depends on PERF_EVENTS && CPU_HAS_PMU && (CPU_V6 || CPU_V7)
+        default y
+        help
+          Enable hardware performance counter support for perf events. If
+          disabled, perf events will use software events only.
+
 source "mm/Kconfig"
 
 config LEDS