This commit 15122ee2c515a ("arm64: Enforce BBM for huge
IO/VMAP mappings") is a temporary work-around until the
issues with CONFIG_HAVE_ARCH_HUGE_VMAP gets fixed.

Revert this change as we have fixes for the issue.

Signed-off-by: Chintan Pandya <cpan...@codeaurora.org>
---
 arch/arm64/mm/mmu.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 0f651db..170009b 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -935,10 +935,6 @@ int pud_set_huge(pud_t *pudp, phys_addr_t phys, pgprot_t 
prot)
        pgprot_t sect_prot = __pgprot(PUD_TYPE_SECT |
                                        pgprot_val(mk_sect_prot(prot)));
 
-       /* ioremap_page_range doesn't honour BBM */
-       if (pud_present(READ_ONCE(*pudp)))
-               return 0;
-
        BUG_ON(phys & ~PUD_MASK);
        set_pud(pudp, pfn_pud(__phys_to_pfn(phys), sect_prot));
        return 1;
@@ -949,10 +945,6 @@ int pmd_set_huge(pmd_t *pmdp, phys_addr_t phys, pgprot_t 
prot)
        pgprot_t sect_prot = __pgprot(PMD_TYPE_SECT |
                                        pgprot_val(mk_sect_prot(prot)));
 
-       /* ioremap_page_range doesn't honour BBM */
-       if (pmd_present(READ_ONCE(*pmdp)))
-               return 0;
-
        BUG_ON(phys & ~PMD_MASK);
        set_pmd(pmdp, pfn_pmd(__phys_to_pfn(phys), sect_prot));
        return 1;
-- 
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