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authorTobias Klauser <tklauser@distanz.ch>2020-06-26 14:40:56 +0200
committerPalmer Dabbelt <palmerdabbelt@google.com>2020-07-30 11:37:35 -0700
commit20d38f7c45a44e4b762b586a7bcacbc93ddb3153 (patch)
tree0f6256feaa2a3e5b1d417c86b33097bb54c35919 /arch/riscv/Kconfig
parented48b297fe211400531a129c592165958d661def (diff)
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>
Diffstat (limited to 'arch/riscv/Kconfig')
-rw-r--r--arch/riscv/Kconfig2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index b7efe87329dd..0b40449a2eae 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -19,6 +19,7 @@ config RISCV
select ARCH_HAS_DEBUG_WX
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_GIGANTIC_PAGE
+ select ARCH_HAS_KCOV
select ARCH_HAS_MMIOWB
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SET_DIRECT_MAP
@@ -58,6 +59,7 @@ config RISCV
select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_EBPF_JIT if MMU
select HAVE_FUTEX_CMPXCHG if FUTEX
+ select HAVE_GCC_PLUGINS
select HAVE_GENERIC_VDSO if MMU && 64BIT
select HAVE_PCI
select HAVE_PERF_EVENTS