Commit e0a8b93e authored Jan 31, 2022 by Nemanja Rakovic Committed by Thomas Bogendoerfer Feb 07, 2022

mips: Enable KCSAN

This patch enables KCSAN for the 64-bit version. Updated rules
for the incompatible compilation units (vdso, boot/compressed).

Signed-off-by: Nemanja Rakovic <nemanja.rakovic@syrmia.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

parent d49fc692

arch/mips/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -101,6 +101,7 @@ config MIPS
		select TRACE_IRQFLAGS_SUPPORT
		select VIRT_TO_BUS
		select ARCH_HAS_ELFCORE_COMPAT
		select HAVE_ARCH_KCSAN if 64BIT

		config MIPS_FIXUP_BIGPHYS_ADDR
		bool

arch/mips/boot/compressed/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
		KCOV_INSTRUMENT := n
		GCOV_PROFILE := n
		UBSAN_SANITIZE := n
		KASAN_SANITIZE := n

		# decompressor objects (linked with vmlinuz)
		vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o $(obj)/bswapsi.o

arch/mips/vdso/Makefile

+3 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0
		# Objects to go into the VDSO.

		# Sanitizer runtimes are unavailable and cannot be linked here.
		KCSAN_SANITIZE := n

		# Absolute relocation type $(ARCH_REL_TYPE_ABS) needs to be defined before
		# the inclusion of generic Makefile.
		ARCH_REL_TYPE_ABS := R_MIPS_JUMP_SLOT\|R_MIPS_GLOB_DAT