lk/linux-kernel-test
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Merge branches 'fixes', 'pgt-next' and 'versatile' into devel

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This commit is contained in:
Russell King
2011-03-20 09:32:12 +00:00
parent 6d7ed21d17 7d85d61f6a 516295e5ab 3de4ade3d6
commit 196f020fbb
65 changed files with 1044 additions and 1194 deletions
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71
arch/arm/mm/mmu.c
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@@ -533,7 +533,7 @@ static void __init *early_alloc(unsigned long sz)
static pte_t * __init early_pte_alloc(pmd_t *pmd, unsigned long addr, unsigned long prot)
{
if (pmd_none(*pmd)) {
pte_t *pte = early_alloc(2 * PTRS_PER_PTE * sizeof(pte_t));
pte_t *pte = early_alloc(PTE_HWTABLE_OFF + PTE_HWTABLE_SIZE);
__pmd_populate(pmd, __pa(pte), prot);
}
BUG_ON(pmd_bad(*pmd));
@@ -551,11 +551,11 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr,
} while (pte++, addr += PAGE_SIZE, addr != end);
}
static void __init alloc_init_section(pgd_t *pgd, unsigned long addr,
static void __init alloc_init_section(pud_t *pud, unsigned long addr,
unsigned long end, phys_addr_t phys,
const struct mem_type *type)
{
pmd_t *pmd = pmd_offset(pgd, addr);
pmd_t *pmd = pmd_offset(pud, addr);
/*
* Try a section mapping - end, addr and phys must all be aligned
@@ -584,6 +584,19 @@ static void __init alloc_init_section(pgd_t *pgd, unsigned long addr,
}
}
static void alloc_init_pud(pgd_t *pgd, unsigned long addr, unsigned long end,
unsigned long phys, const struct mem_type *type)
{
pud_t *pud = pud_offset(pgd, addr);
unsigned long next;
do {
next = pud_addr_end(addr, end);
alloc_init_section(pud, addr, next, phys, type);
phys += next - addr;
} while (pud++, addr = next, addr != end);
}
static void __init create_36bit_mapping(struct map_desc *md,
const struct mem_type *type)
{
@@ -592,13 +605,13 @@ static void __init create_36bit_mapping(struct map_desc *md,
pgd_t *pgd;
addr = md->virtual;
phys = (unsigned long)__pfn_to_phys(md->pfn);
phys = __pfn_to_phys(md->pfn);
length = PAGE_ALIGN(md->length);
if (!(cpu_architecture() >= CPU_ARCH_ARMv6 || cpu_is_xsc3())) {
printk(KERN_ERR "MM: CPU does not support supersection "
"mapping for 0x%08llx at 0x%08lx\n",
__pfn_to_phys((u64)md->pfn), addr);
(long long)__pfn_to_phys((u64)md->pfn), addr);
return;
}
@@ -611,14 +624,14 @@ static void __init create_36bit_mapping(struct map_desc *md,
if (type->domain) {
printk(KERN_ERR "MM: invalid domain in supersection "
"mapping for 0x%08llx at 0x%08lx\n",
__pfn_to_phys((u64)md->pfn), addr);
(long long)__pfn_to_phys((u64)md->pfn), addr);
return;
}
if ((addr | length | __pfn_to_phys(md->pfn)) & ~SUPERSECTION_MASK) {
printk(KERN_ERR "MM: cannot create mapping for "
"0x%08llx at 0x%08lx invalid alignment\n",
__pfn_to_phys((u64)md->pfn), addr);
printk(KERN_ERR "MM: cannot create mapping for 0x%08llx"
" at 0x%08lx invalid alignment\n",
(long long)__pfn_to_phys((u64)md->pfn), addr);
return;
}
@@ -631,7 +644,8 @@ static void __init create_36bit_mapping(struct map_desc *md,
pgd = pgd_offset_k(addr);
end = addr + length;
do {
pmd_t *pmd = pmd_offset(pgd, addr);
pud_t *pud = pud_offset(pgd, addr);
pmd_t *pmd = pmd_offset(pud, addr);
int i;
for (i = 0; i < 16; i++)
@@ -652,22 +666,23 @@ static void __init create_36bit_mapping(struct map_desc *md,
*/
static void __init create_mapping(struct map_desc *md)
{
unsigned long phys, addr, length, end;
unsigned long addr, length, end;
phys_addr_t phys;
const struct mem_type *type;
pgd_t *pgd;
if (md->virtual != vectors_base() && md->virtual < TASK_SIZE) {
printk(KERN_WARNING "BUG: not creating mapping for "
"0x%08llx at 0x%08lx in user region\n",
__pfn_to_phys((u64)md->pfn), md->virtual);
printk(KERN_WARNING "BUG: not creating mapping for 0x%08llx"
" at 0x%08lx in user region\n",
(long long)__pfn_to_phys((u64)md->pfn), md->virtual);
return;
}
if ((md->type == MT_DEVICE || md->type == MT_ROM) &&
md->virtual >= PAGE_OFFSET && md->virtual < VMALLOC_END) {
printk(KERN_WARNING "BUG: mapping for 0x%08llx at 0x%08lx "
"overlaps vmalloc space\n",
__pfn_to_phys((u64)md->pfn), md->virtual);
printk(KERN_WARNING "BUG: mapping for 0x%08llx"
" at 0x%08lx overlaps vmalloc space\n",
(long long)__pfn_to_phys((u64)md->pfn), md->virtual);
}
type = &mem_types[md->type];
@@ -681,13 +696,13 @@ static void __init create_mapping(struct map_desc *md)
}
addr = md->virtual & PAGE_MASK;
phys = (unsigned long)__pfn_to_phys(md->pfn);
phys = __pfn_to_phys(md->pfn);
length = PAGE_ALIGN(md->length + (md->virtual & ~PAGE_MASK));
if (type->prot_l1 == 0 && ((addr | phys | length) & ~SECTION_MASK)) {
printk(KERN_WARNING "BUG: map for 0x%08lx at 0x%08lx can not "
printk(KERN_WARNING "BUG: map for 0x%08llx at 0x%08lx can not "
"be mapped using pages, ignoring.\n",
__pfn_to_phys(md->pfn), addr);
(long long)__pfn_to_phys(md->pfn), addr);
return;
}
@@ -696,7 +711,7 @@ static void __init create_mapping(struct map_desc *md)
do {
unsigned long next = pgd_addr_end(addr, end);
alloc_init_section(pgd, addr, next, phys, type);
alloc_init_pud(pgd, addr, next, phys, type);
phys += next - addr;
addr = next;
@@ -794,9 +809,10 @@ static void __init sanity_check_meminfo(void)
*/
if (__va(bank->start) >= vmalloc_min ||
__va(bank->start) < (void *)PAGE_OFFSET) {
printk(KERN_NOTICE "Ignoring RAM at %.8lx-%.8lx "
printk(KERN_NOTICE "Ignoring RAM at %.8llx-%.8llx "
"(vmalloc region overlap).\n",
bank->start, bank->start + bank->size - 1);
(unsigned long long)bank->start,
(unsigned long long)bank->start + bank->size - 1);
continue;
}
@@ -807,10 +823,11 @@ static void __init sanity_check_meminfo(void)
if (__va(bank->start + bank->size) > vmalloc_min ||
__va(bank->start + bank->size) < __va(bank->start)) {
unsigned long newsize = vmalloc_min - __va(bank->start);
printk(KERN_NOTICE "Truncating RAM at %.8lx-%.8lx "
"to -%.8lx (vmalloc region overlap).\n",
bank->start, bank->start + bank->size - 1,
bank->start + newsize - 1);
printk(KERN_NOTICE "Truncating RAM at %.8llx-%.8llx "
"to -%.8llx (vmalloc region overlap).\n",
(unsigned long long)bank->start,
(unsigned long long)bank->start + bank->size - 1,
(unsigned long long)bank->start + newsize - 1);
bank->size = newsize;
}
#endif