Commit 95567f46 authored by Rohan McLure's avatar Rohan McLure Committed by Michael Ellerman
Browse files

powerpc/{32,book3e}: kcsan: Extend KCSAN Support 



Enable HAVE_ARCH_KCSAN on all powerpc platforms, permitting use of the
kernel concurrency sanitiser through the CONFIG_KCSAN_* kconfig options.

Boots and passes selftests on 32-bit and 64-bit platforms. See
documentation in Documentation/dev-tools/kcsan.rst for more information.

Signed-off-by: default avatarRohan McLure <rmclure@linux.ibm.com>
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: default avatarMarco Elver <elver@google.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/1a1138966780c3709f55bde8a0eb80209fa4395d.1683892665.git.christophe.leroy@csgroup.eu
parent 353e7300

arch/powerpc/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -211,7 +211,7 @@ config PPC 
	select HAVE_ARCH_KASAN			if PPC_RADIX_MMU

	select HAVE_ARCH_KASAN			if PPC_BOOK3E_64

	select HAVE_ARCH_KASAN_VMALLOC		if HAVE_ARCH_KASAN

	select HAVE_ARCH_KCSAN            	if PPC_BOOK3S_64

	select HAVE_ARCH_KCSAN

	select HAVE_ARCH_KFENCE			if ARCH_SUPPORTS_DEBUG_PAGEALLOC

	select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET

	select HAVE_ARCH_WITHIN_STACK_FRAMES