From 83b086c5697169f1e34d2430dad062cc714c5c57 Mon Sep 17 00:00:00 2001 From: LEROY Christophe Date: Wed, 22 Apr 2015 12:06:41 +0200 Subject: [PATCH] powerpc/8xx: mark _PAGE_SHARED all types of kernel pages All kernel pages have to be marked as shared in order to not perform CASID verification. Signed-off-by: Christophe Leroy Signed-off-by: Scott Wood --- arch/powerpc/include/asm/pte-8xx.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index 97bae64afdaa..8ea537e76058 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h @@ -62,7 +62,12 @@ /* We need to add _PAGE_SHARED to kernel pages */ #define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_RO | _PAGE_KNLRO) -#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_RO | _PAGE_KNLRO) +#define _PAGE_KERNEL_ROX (_PAGE_SHARED | _PAGE_RO | _PAGE_KNLRO | \ + _PAGE_EXEC) +#define _PAGE_KERNEL_RW (_PAGE_SHARED | _PAGE_DIRTY | _PAGE_RW | \ + _PAGE_HWWRITE) +#define _PAGE_KERNEL_RWX (_PAGE_SHARED | _PAGE_DIRTY | _PAGE_RW | \ + _PAGE_HWWRITE | _PAGE_EXEC) #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PTE_8xx_H */ -- 2.39.5