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-rw-r--r--arch/arm64/mm/mmu.c34
-rw-r--r--arch/arm64/mm/proc.S2
2 files changed, 5 insertions, 31 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index b805c017f789..d28dbcf596b6 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -109,10 +109,8 @@ static bool pgattr_change_is_safe(u64 old, u64 new)
static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
unsigned long end, unsigned long pfn,
pgprot_t prot,
- phys_addr_t (*pgtable_alloc)(void),
- bool page_mappings_only)
+ phys_addr_t (*pgtable_alloc)(void))
{
- pgprot_t __prot = prot;
pte_t *pte;
BUG_ON(pmd_sect(*pmd));
@@ -130,18 +128,7 @@ static void alloc_init_pte(pmd_t *pmd, unsigned long addr,
do {
pte_t old_pte = *pte;
- /*
- * Set the contiguous bit for the subsequent group of PTEs if
- * its size and alignment are appropriate.
- */
- if (((addr | PFN_PHYS(pfn)) & ~CONT_PTE_MASK) == 0) {
- if (end - addr >= CONT_PTE_SIZE && !page_mappings_only)
- __prot = __pgprot(pgprot_val(prot) | PTE_CONT);
- else
- __prot = prot;
- }
-
- set_pte(pte, pfn_pte(pfn, __prot));
+ set_pte(pte, pfn_pte(pfn, prot));
pfn++;
/*
@@ -160,7 +147,6 @@ static void alloc_init_pmd(pud_t *pud, unsigned long addr, unsigned long end,
phys_addr_t (*pgtable_alloc)(void),
bool page_mappings_only)
{
- pgprot_t __prot = prot;
pmd_t *pmd;
unsigned long next;
@@ -187,18 +173,7 @@ static void alloc_init_pmd(pud_t *pud, unsigned long addr, unsigned long end,
/* try section mapping first */
if (((addr | next | phys) & ~SECTION_MASK) == 0 &&
!page_mappings_only) {
- /*
- * Set the contiguous bit for the subsequent group of
- * PMDs if its size and alignment are appropriate.
- */
- if (((addr | phys) & ~CONT_PMD_MASK) == 0) {
- if (end - addr >= CONT_PMD_SIZE)
- __prot = __pgprot(pgprot_val(prot) |
- PTE_CONT);
- else
- __prot = prot;
- }
- pmd_set_huge(pmd, phys, __prot);
+ pmd_set_huge(pmd, phys, prot);
/*
* After the PMD entry has been populated once, we
@@ -208,8 +183,7 @@ static void alloc_init_pmd(pud_t *pud, unsigned long addr, unsigned long end,
pmd_val(*pmd)));
} else {
alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys),
- prot, pgtable_alloc,
- page_mappings_only);
+ prot, pgtable_alloc);
BUG_ON(pmd_val(old_pmd) != 0 &&
pmd_val(old_pmd) != pmd_val(*pmd));
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index cd4d53d7e458..877d42fb0df6 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -138,7 +138,7 @@ ENDPROC(cpu_do_resume)
* - pgd_phys - physical address of new TTB
*/
ENTRY(cpu_do_switch_mm)
- pre_ttbr0_update_workaround x0, x1, x2
+ pre_ttbr0_update_workaround x0, x2, x3
mmid x1, x1 // get mm->context.id
bfi x0, x1, #48, #16 // set the ASID
msr ttbr0_el1, x0 // set TTBR0