This bug was introduced in commit e651eab0.
Some v4/v5 platforms failed to boot due to this.
Signed-off-by: Po-Yu Chuang <ratbert.chu...@gmail.com>
---
v2:
prefix underscores to map_init_section to emphasize that it should never be
called by some random function.
arch/arm/mm/mmu.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e0d8565..4d409e6 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -616,10 +616,12 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned
long addr,
} while (pte++, addr += PAGE_SIZE, addr != end);
}
-static void __init map_init_section(pmd_t *pmd, unsigned long addr,
+static void __init __map_init_section(pmd_t *pmd, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
{
+ pmd_t *p = pmd;
+
#ifndef CONFIG_ARM_LPAE
/*
* In classic MMU format, puds and pmds are folded in to
@@ -638,7 +640,7 @@ static void __init map_init_section(pmd_t *pmd, unsigned
long addr,
phys += SECTION_SIZE;
} while (pmd++, addr += SECTION_SIZE, addr != end);
- flush_pmd_entry(pmd);
+ flush_pmd_entry(p);
}
static void __init alloc_init_pmd(pud_t *pud, unsigned long addr,
@@ -661,7 +663,7 @@ static void __init alloc_init_pmd(pud_t *pud, unsigned long
addr,
*/
if (type->prot_sect &&
((addr | next | phys) & ~SECTION_MASK) == 0) {
- map_init_section(pmd, addr, next, phys, type);
+ __map_init_section(pmd, addr, next, phys, type);
} else {
alloc_init_pte(pmd, addr, next,
__phys_to_pfn(phys), type);
--
1.7.9.5
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