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| author | Paul Mackerras <paulus@samba.org> | 2016-02-22 13:41:15 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-02-29 20:34:39 +1100 |
| commit | 849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce (patch) | |
| tree | 440ffd5ffb57ccbc4005cd50e3ba471ea59d5595 /arch/powerpc/mm | |
| parent | c61a8843124e353f4ba27c073133868da00e0335 (diff) | |
| download | op-kernel-dev-849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce.zip op-kernel-dev-849f86a630e9c84bf4c9d5dcbfe59dc94b2e15ce.tar.gz | |
powerpc/mm/book3s-64: Move _PAGE_PRESENT to the most significant bit
This changes _PAGE_PRESENT for 64-bit Book 3S processors from 0x2 to
0x8000_0000_0000_0000, because that is where PowerISA v3.0 CPUs in
radix mode will expect to find it.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mmu_decl.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 9f58ff4..898d633 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -110,7 +110,8 @@ extern unsigned long Hash_size, Hash_mask; #endif /* CONFIG_PPC32 */ #ifdef CONFIG_PPC64 -extern int map_kernel_page(unsigned long ea, unsigned long pa, int flags); +extern int map_kernel_page(unsigned long ea, unsigned long pa, + unsigned long flags); #endif /* CONFIG_PPC64 */ extern unsigned long ioremap_bot; diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index a1bbdfd..af304e6 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -88,7 +88,7 @@ static __ref void *early_alloc_pgtable(unsigned long size) * map_kernel_page adds an entry to the ioremap page table * and adds an entry to the HPT, possibly bolting it */ -int map_kernel_page(unsigned long ea, unsigned long pa, int flags) +int map_kernel_page(unsigned long ea, unsigned long pa, unsigned long flags) { pgd_t *pgdp; pud_t *pudp; |
