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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 15:51:45 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 09:04:09 +0200 |
| commit | c766ee72235d09b0080f77474085fc17d6ae2fb1 (patch) | |
| tree | 10f9b09f5ad1a05d986d8dde9cf47c9d92441c07 /arch/powerpc/mm/pgtable-book3e.c | |
| parent | powerpc/mm: properly set PAGE_KERNEL flags in ioremap() (diff) | |
| download | linux-c766ee72235d09b0080f77474085fc17d6ae2fb1.tar.xz linux-c766ee72235d09b0080f77474085fc17d6ae2fb1.zip | |
powerpc: handover page flags with a pgprot_t parameter
In order to avoid multiple conversions, handover directly a
pgprot_t to map_kernel_page() as already done for radix.
Do the same for __ioremap_caller() and __ioremap_at().
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/pgtable-book3e.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable-book3e.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c index a2298930f990..e0ccf36714b2 100644 --- a/arch/powerpc/mm/pgtable-book3e.c +++ b/arch/powerpc/mm/pgtable-book3e.c @@ -42,7 +42,7 @@ int __meminit vmemmap_create_mapping(unsigned long start, * thus must have the low bits clear */ for (i = 0; i < page_size; i += PAGE_SIZE) - BUG_ON(map_kernel_page(start + i, phys, flags)); + BUG_ON(map_kernel_page(start + i, phys, __pgprot(flags))); return 0; } @@ -70,7 +70,7 @@ 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, unsigned long flags) +int map_kernel_page(unsigned long ea, unsigned long pa, pgprot_t prot) { pgd_t *pgdp; pud_t *pudp; @@ -89,8 +89,6 @@ int map_kernel_page(unsigned long ea, unsigned long pa, unsigned long flags) ptep = pte_alloc_kernel(pmdp, ea); if (!ptep) return -ENOMEM; - set_pte_at(&init_mm, ea, ptep, pfn_pte(pa >> PAGE_SHIFT, - __pgprot(flags))); } else { pgdp = pgd_offset_k(ea); #ifndef __PAGETABLE_PUD_FOLDED @@ -113,9 +111,8 @@ int map_kernel_page(unsigned long ea, unsigned long pa, unsigned long flags) pmd_populate_kernel(&init_mm, pmdp, ptep); } ptep = pte_offset_kernel(pmdp, ea); - set_pte_at(&init_mm, ea, ptep, pfn_pte(pa >> PAGE_SHIFT, - __pgprot(flags))); } + set_pte_at(&init_mm, ea, ptep, pfn_pte(pa >> PAGE_SHIFT, prot)); smp_wmb(); return 0; |