From: Max Filippov <jcmvbkbc@gmail.com>
Date: Thu, 14 Jul 2022 03:14:25 +0000 (-0700)
Subject: xtensa: enable KCOV support
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c49731a04e7c14b2ccd146a7fddf92e78ccae143;p=linux.git

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 afb90bebded23..0a91f5ce34a90 100644
--- 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 0b0f0172cced5..c4ef8e9c72498 100644
--- 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 162d10af36f33..6f9a56a8ca851 100644
--- 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