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Diffstat (limited to 'arch/powerpc/mm/nohash/8xx.c')
-rw-r--r--arch/powerpc/mm/nohash/8xx.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 27f9186ae374..6be6421086ed 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -10,12 +10,12 @@
#include <linux/memblock.h>
#include <linux/hugetlb.h>
+#include <asm/fixmap.h>
+
#include <mm/mmu_decl.h>
#define IMMR_SIZE (FIX_IMMR_SIZE << PAGE_SHIFT)
-extern int __map_without_ltlbs;
-
static unsigned long block_mapped_ram;
/*
@@ -28,8 +28,6 @@ phys_addr_t v_block_mapped(unsigned long va)
if (va >= VIRT_IMMR_BASE && va < VIRT_IMMR_BASE + IMMR_SIZE)
return p + va - VIRT_IMMR_BASE;
- if (__map_without_ltlbs)
- return 0;
if (va >= PAGE_OFFSET && va < PAGE_OFFSET + block_mapped_ram)
return __pa(va);
return 0;
@@ -45,8 +43,6 @@ unsigned long p_block_mapped(phys_addr_t pa)
if (pa >= p && pa < p + IMMR_SIZE)
return VIRT_IMMR_BASE + pa - p;
- if (__map_without_ltlbs)
- return 0;
if (pa < block_mapped_ram)
return (unsigned long)__va(pa);
return 0;
@@ -97,7 +93,8 @@ static int __ref __early_map_kernel_hugepage(unsigned long va, phys_addr_t pa,
if (new && WARN_ON(pte_present(*ptep) && pgprot_val(prot)))
return -EINVAL;
- set_huge_pte_at(&init_mm, va, ptep, pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)));
+ set_huge_pte_at(&init_mm, va, ptep,
+ pte_mkhuge(pfn_pte(pa >> PAGE_SHIFT, prot)), psize);
return 0;
}
@@ -153,9 +150,6 @@ unsigned long __init mmu_mapin_ram(unsigned long base, unsigned long top)
mmu_mapin_immr();
- if (__map_without_ltlbs)
- return 0;
-
mmu_mapin_ram_chunk(0, boundary, PAGE_KERNEL_TEXT, true);
if (debug_pagealloc_enabled_or_kfence()) {
top = boundary;
@@ -179,8 +173,8 @@ void mmu_mark_initmem_nx(void)
unsigned long boundary = strict_kernel_rwx_enabled() ? sinittext : etext8;
unsigned long einittext8 = ALIGN(__pa(_einittext), SZ_8M);
- mmu_mapin_ram_chunk(0, boundary, PAGE_KERNEL_TEXT, false);
- mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL, false);
+ if (!debug_pagealloc_enabled_or_kfence())
+ mmu_mapin_ram_chunk(boundary, einittext8, PAGE_KERNEL, false);
mmu_pin_tlb(block_mapped_ram, false);
}