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[arch][arm64][mmu] Add barrier in map

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Fixes random crashes on Cortex-A53

Change-Id: Id3d5c8347dbc4389784e522d083e7658070edce4
This commit is contained in:
Arve Hjønnevåg
2015-05-08 20:29:57 -07:00
parent 99c543c6d8
commit b4aaff6ebd
1 changed files with 5 additions and 2 deletions
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7
arch/arm64/mmu.c
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@@ -414,6 +414,7 @@ int arm64_mmu_map(vaddr_t vaddr, paddr_t paddr, size_t size, pte_t attrs,
uint top_index_shift, uint page_size_shift,
pte_t *top_page_table, uint asid)
{
int ret;
vaddr_t vaddr_rel = vaddr - vaddr_base;
vaddr_t vaddr_rel_max = 1UL << top_size_shift;
@@ -431,8 +432,10 @@ int arm64_mmu_map(vaddr_t vaddr, paddr_t paddr, size_t size, pte_t attrs,
return ERR_INVALID_ARGS;
}
return arm64_mmu_map_pt(vaddr, vaddr_rel, paddr, size, attrs,
top_index_shift, page_size_shift, top_page_table, asid);
ret = arm64_mmu_map_pt(vaddr, vaddr_rel, paddr, size, attrs,
top_index_shift, page_size_shift, top_page_table, asid);
DSB;
return ret;
}
int arm64_mmu_unmap(vaddr_t vaddr, size_t size,