xtensa: enable KCOV support · tjh.dev/kernel@c49731a

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

Max Filippov 3 years ago c49731a0 628ccfc8

+3 -1

3 changed files

expand all

Documentation

features

debug

kcov

arch-support.txt

arch

xtensa

Kconfig

boot

lib

Makefile

+1 -1

Documentation/features/debug/kcov/arch-support.txt

··· 27 27 | sparc: | TODO | 28 28 | um: | ok | 29 29 | x86: | ok | 30 - | xtensa: | TODO | 30 + | xtensa: | ok | 31 31 -----------------------

arch/xtensa/Kconfig

··· 6 6 select ARCH_HAS_CURRENT_STACK_POINTER 7 7 select ARCH_HAS_DEBUG_VM_PGTABLE 8 8 select ARCH_HAS_DMA_PREP_COHERENT if MMU 9 + select ARCH_HAS_KCOV 9 10 select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU 10 11 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU 11 12 select ARCH_HAS_DMA_SET_UNCACHED if MMU

arch/xtensa/boot/lib/Makefile

··· 17 17 18 18 KASAN_SANITIZE := n 19 19 KCSAN_SANITIZE := n 20 + KCOV_INSTRUMENT := n 20 21 21 22 CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong 22 23 CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong