From 20d38f7c45a44e4b762b586a7bcacbc93ddb3153 Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Fri, 26 Jun 2020 14:40:56 +0200
Subject: riscv: Allow building with kcov coverage

Add ARCH_HAS_KCOV and HAVE_GCC_PLUGINS to the riscv Kconfig.
Also disable instrumentation of some early boot code and vdso.

Boot-tested on QEMU's riscv64 virt machine.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
---
 arch/riscv/mm/Makefile | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/riscv/mm/Makefile')

diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile
index 363ef01c30b1..c0185e556ca5 100644
--- a/arch/riscv/mm/Makefile
+++ b/arch/riscv/mm/Makefile
@@ -5,6 +5,8 @@ ifdef CONFIG_FTRACE
 CFLAGS_REMOVE_init.o = -pg
 endif
 
+KCOV_INSTRUMENT_init.o := n
+
 obj-y += init.o
 obj-y += extable.o
 obj-$(CONFIG_MMU) += fault.o pageattr.o
-- 
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