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powerpc/8xx: mark _PAGE_SHARED all types of kernel pages

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All kernel pages have to be marked as shared in order to not perform
CASID verification.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
LEROY Christophe 2015-04-22 12:06:41 +02:00 committed by Scott Wood
parent eeba1f7c38
commit 83b086c569
1 changed files with 6 additions and 1 deletions
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7
arch/powerpc/include/asm/pte-8xx.h
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@ -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 */