xtensa: enable KCOV support

Select ARCH_HAS_KCOV and set KCOV_INSTRUMENT = n inside
arch/xtensa/boot/lib.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/Documentation/features/debug/kcov/arch-support.txt b/Documentation/features/debug/kcov/arch-support.txt
index afb90bebded236b88e9f9fc23a450d53f2b6bd65..0a91f5ce34a90a02d08bb700c9fba1a7fca30859 100644 (file)
--- a/Documentation/features/debug/kcov/arch-support.txt
+++ b/Documentation/features/debug/kcov/arch-support.txt
@@ -27,5 +27,5 @@
     |       sparc: | TODO |
     |          um: |  ok  |
     |         x86: |  ok  |
-    |      xtensa: | TODO |
+    |      xtensa: |  ok  |
     -----------------------

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 0b0f0172cced55565d35c3b2201a9be1776e1e47..c4ef8e9c72498397c749026a8233324122b5e8a9 100644 (file)
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -6,6 +6,7 @@ config XTENSA
        select ARCH_HAS_CURRENT_STACK_POINTER
        select ARCH_HAS_DEBUG_VM_PGTABLE
        select ARCH_HAS_DMA_PREP_COHERENT if MMU
+       select ARCH_HAS_KCOV
        select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU
        select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU
        select ARCH_HAS_DMA_SET_UNCACHED if MMU

diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile
index 162d10af36f33cf6a963b5ebb3a915a2ea5480f1..6f9a56a8ca851569a3248b6df0d907d3ec61236c 100644 (file)
--- a/arch/xtensa/boot/lib/Makefile
+++ b/arch/xtensa/boot/lib/Makefile
@@ -17,6 +17,7 @@ endif
 
 KASAN_SANITIZE := n
 KCSAN_SANITIZE := n
+KCOV_INSTRUMENT := n
 
 CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong
 CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong