summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mm/pgtable-book3e.c
diff options
context:
space:
mode:
authorChristophe Leroy <christophe.leroy@c-s.fr>2018-10-09 13:51:45 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2018-10-14 18:04:09 +1100
commitc766ee72235d09b0080f77474085fc17d6ae2fb1 (patch)
tree10f9b09f5ad1a05d986d8dde9cf47c9d92441c07 /arch/powerpc/mm/pgtable-book3e.c
parent56f3c1413f5cce0c8f4d6f1ab79d790da5aa61af (diff)
downloadlinux-0-day-c766ee72235d09b0080f77474085fc17d6ae2fb1.tar.gz
linux-0-day-c766ee72235d09b0080f77474085fc17d6ae2fb1.tar.xz
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.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/powerpc/mm/pgtable-book3e.c b/arch/powerpc/mm/pgtable-book3e.c
index a2298930f990d..e0ccf36714b23 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;