kmsan: Enable on powerpc

[PATCH 13/13] powerpc: Enable KMSAN on powerpc

Posted by Nicholas Miehlbradt 2 years ago

Enable KMSAN in the Kconfig.

Signed-off-by: Nicholas Miehlbradt <nicholas@linux.ibm.com>
---
 arch/powerpc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e33e3250c478..71cc7d2a0a72 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -217,6 +217,7 @@ config PPC
 	select HAVE_ARCH_KASAN_VMALLOC		if HAVE_ARCH_KASAN
 	select HAVE_ARCH_KCSAN
 	select HAVE_ARCH_KFENCE			if ARCH_SUPPORTS_DEBUG_PAGEALLOC
+        select HAVE_ARCH_KMSAN                  if PPC64
 	select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
 	select HAVE_ARCH_WITHIN_STACK_FRAMES
 	select HAVE_ARCH_KGDB
-- 
2.40.1

Re: [PATCH 13/13] powerpc: Enable KMSAN on powerpc

Posted by Christophe Leroy 2 years ago


Le 14/12/2023 à 06:55, Nicholas Miehlbradt a écrit :
> Enable KMSAN in the Kconfig.
> 
> Signed-off-by: Nicholas Miehlbradt <nicholas@linux.ibm.com>
> ---
>   arch/powerpc/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index e33e3250c478..71cc7d2a0a72 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -217,6 +217,7 @@ config PPC
>   	select HAVE_ARCH_KASAN_VMALLOC		if HAVE_ARCH_KASAN
>   	select HAVE_ARCH_KCSAN
>   	select HAVE_ARCH_KFENCE			if ARCH_SUPPORTS_DEBUG_PAGEALLOC
> +        select HAVE_ARCH_KMSAN                  if PPC64

You said in cover letter you are doing it for "pseries le guests".

Will it also work on BE and also on nohash/64 ?

>   	select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
>   	select HAVE_ARCH_WITHIN_STACK_FRAMES
>   	select HAVE_ARCH_KGDB