[PATCH] MIPS: allow building with kcov coverage

* [PATCH] MIPS: allow building with kcov coverage
@ 2019-11-06 17:28 Alexey Khoroshilov
  2019-11-09  1:35 ` kbuild test robot
  2019-11-11 19:51 ` Paul Burton
  0 siblings, 2 replies; 3+ messages in thread
From: Alexey Khoroshilov @ 2019-11-06 17:28 UTC (permalink / raw)
  To: Ralf Baechle, Paul Burton, James Hogan
  Cc: Alexey Khoroshilov, linux-mips, linux-kernel

Add ARCH_HAS_KCOV and HAVE_GCC_PLUGINS to MIPS config.
Disable instrumentation of vdso to avoid build failure.

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
 arch/mips/Kconfig       | 2 ++
 arch/mips/vdso/Makefile | 1 +
 2 files changed, 3 insertions(+)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 7cb8947..2ae1e6d 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -87,6 +87,8 @@ config MIPS
 	select SYSCTL_EXCEPTION_TRACE
 	select VIRT_TO_BUS
 	select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
+	select ARCH_HAS_KCOV
+	select HAVE_GCC_PLUGINS
 
 menu "Machine selection"
 
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index 996a934..e059389 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -75,6 +75,7 @@ CFLAGS_REMOVE_vdso.o = -pg
 
 GCOV_PROFILE := n
 UBSAN_SANITIZE := n
+KCOV_INSTRUMENT := n
 
 #
 # Shared build commands.
-- 
2.7.4


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