[PATCH] ARM: map_init_section flushes incorrect pmd
From: Po-Yu Chuang
Date: Tue May 28 2013 - 06:48:59 EST
This bug was introduced in commit e651eab0.
Some v4/v5 platforms failed to boot due to this.
Signed-off-by: Po-Yu Chuang <ratbert.chuang@xxxxxxxxx>
---
arch/arm/mm/mmu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e0d8565..19a43f8 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -620,6 +620,8 @@ 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,
--
1.7.9.5
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