Merge tag 'riscv-for-linus-4.18-merge_window' of git://git.kernel.org/pub/scm/linux...

[linux-2.6-block.git] / arch / riscv / Kconfig

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 42e581a268e1901997de938de01f5b9181f02033..f12680c9b9475e2b130da3369644e797575f7a80 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -32,6 +32,7 @@ config RISCV
        select HAVE_MEMBLOCK_NODE_MAP
        select HAVE_DMA_CONTIGUOUS
        select HAVE_GENERIC_DMA_COHERENT
+       select HAVE_PERF_EVENTS
        select IRQ_DOMAIN
        select NO_BOOTMEM
        select RISCV_ISA_A if SMP
@@ -193,6 +194,19 @@ config RISCV_ISA_C
 config RISCV_ISA_A
        def_bool y
 
+menu "supported PMU type"
+       depends on PERF_EVENTS
+
+config RISCV_BASE_PMU
+       bool "Base Performance Monitoring Unit"
+       def_bool y
+       help
+         A base PMU that serves as a reference implementation and has limited
+         feature of perf.  It can run on any RISC-V machines so serves as the
+         fallback, but this option can also be disable to reduce kernel size.
+
+endmenu
+
 endmenu
 
 menu "Kernel type"