diff options
| author | Ram Pai <linuxram@us.ibm.com> | 2018-01-19 02:50:36 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-01-20 12:59:03 +0100 |
| commit | a6590ca55f1f49912e17e4811ccae9a51bda8859 (patch) | |
| tree | bf406906eb4c82c0c7a7e25607e865a0206d0251 /arch/powerpc/include/asm/mmu_context.h | |
| parent | powerpc: map vma key-protection bits to pte key bits. (diff) | |
| download | linux-a6590ca55f1f49912e17e4811ccae9a51bda8859.tar.xz linux-a6590ca55f1f49912e17e4811ccae9a51bda8859.zip | |
powerpc: Program HPTE key protection bits
Map the PTE protection key bits to the HPTE key protection bits,
while creating HPTE entries.
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/mmu_context.h')
| -rw-r--r-- | arch/powerpc/include/asm/mmu_context.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h index 3ba571dfdfd9..209f12705fbb 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -203,6 +203,12 @@ static inline int vma_pkey(struct vm_area_struct *vma) { return 0; } + +static inline u64 pte_to_hpte_pkey_bits(u64 pteflags) +{ + return 0x0UL; +} + #endif /* CONFIG_PPC_MEM_KEYS */ #endif /* __KERNEL__ */ |