diff options
| author | Grant Likely <grant.likely@linaro.org> | 2014-03-04 16:44:10 +0800 |
|---|---|---|
| committer | Grant Likely <grant.likely@linaro.org> | 2014-03-04 16:44:10 +0800 |
| commit | dab2310d9d90eded48625c5382c6a60389bf8ca9 (patch) | |
| tree | 9327cc815d69dec23aebf03407e3fa82b6d2fbaa /arch/arm64/mm/mmu.c | |
| parent | a3dbeb5b45af5b6113385db89fce2a8279278e8b (diff) | |
| parent | 0414855fdc4a40da05221fc6062cccbc0c30f169 (diff) | |
Merge tag 'v3.14-rc5' into HEAD
Linux 3.14-rc5
Diffstat (limited to 'arch/arm64/mm/mmu.c')
| -rw-r--r-- | arch/arm64/mm/mmu.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index f557ebbe7013..f8dc7e8fce6f 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -203,10 +203,18 @@ static void __init alloc_init_pmd(pud_t *pud, unsigned long addr, do { next = pmd_addr_end(addr, end); /* try section mapping first */ - if (((addr | next | phys) & ~SECTION_MASK) == 0) + if (((addr | next | phys) & ~SECTION_MASK) == 0) { + pmd_t old_pmd =*pmd; set_pmd(pmd, __pmd(phys | prot_sect_kernel)); - else + /* + * Check for previous table entries created during + * boot (__create_page_tables) and flush them. + */ + if (!pmd_none(old_pmd)) + flush_tlb_all(); + } else { alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys)); + } phys += next - addr; } while (pmd++, addr = next, addr != end); } |