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| author | Linux Build Service Account <lnxbuild@localhost> | 2017-03-01 18:38:32 -0800 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-03-01 18:38:31 -0800 |
| commit | 8ddeda9e35a23b5ffb6046fdf827136d591a0bf2 (patch) | |
| tree | a520e66e3b85abac927a57dba98216a6e9a7b927 | |
| parent | 58411a695cef3b64e9f60a2f61c551610652de5c (diff) | |
| parent | 847210ab6b76d2ba65b767836772d5a7c839b4da (diff) | |
Merge "iommu/io-pgtable-fast: cache clean the last level ptes"
| -rw-r--r-- | drivers/iommu/io-pgtable-fast.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/io-pgtable-fast.c b/drivers/iommu/io-pgtable-fast.c index 603b983d1916..3582e206db68 100644 --- a/drivers/iommu/io-pgtable-fast.c +++ b/drivers/iommu/io-pgtable-fast.c @@ -426,11 +426,16 @@ av8l_fast_prepopulate_pgtables(struct av8l_fast_io_pgtable *data, for (j = pmd_index(pud), pmd = pud; pmd < pud_next(pud, end); ++j, pmd = pmd_next(pmd, end)) { av8l_fast_iopte pte, *pudp; + void *addr; page = alloc_page(GFP_KERNEL | __GFP_ZERO); if (!page) goto err_free_pages; pages[pg++] = page; + + addr = page_address(page); + dmac_clean_range(addr, addr + SZ_4K); + pte = page_to_phys(page) | AV8L_FAST_PTE_TYPE_TABLE; pudp = data->puds[i] + j; *pudp = pte; |