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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /arch/arm64/mm/mmu.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'arch/arm64/mm/mmu.c')
-rw-r--r--arch/arm64/mm/mmu.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index f3e5c7423..0f85a46c3 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -385,7 +385,7 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt,
static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end)
{
- unsigned long kernel_start = __pa(_stext);
+ unsigned long kernel_start = __pa(_text);
unsigned long kernel_end = __pa(_etext);
/*
@@ -417,7 +417,7 @@ static void __init __map_memblock(pgd_t *pgd, phys_addr_t start, phys_addr_t end
early_pgtable_alloc);
/*
- * Map the linear alias of the [_stext, _etext) interval as
+ * Map the linear alias of the [_text, _etext) interval as
* read-only/non-executable. This makes the contents of the
* region accessible to subsystems such as hibernate, but
* protects it from inadvertent modification or execution.
@@ -449,8 +449,8 @@ void mark_rodata_ro(void)
{
unsigned long section_size;
- section_size = (unsigned long)__start_rodata - (unsigned long)_stext;
- create_mapping_late(__pa(_stext), (unsigned long)_stext,
+ section_size = (unsigned long)__start_rodata - (unsigned long)_text;
+ create_mapping_late(__pa(_text), (unsigned long)_text,
section_size, PAGE_KERNEL_ROX);
/*
* mark .rodata as read only. Use _etext rather than __end_rodata to
@@ -471,8 +471,8 @@ void fixup_init(void)
unmap_kernel_range((u64)__init_begin, (u64)(__init_end - __init_begin));
}
-static void __init map_kernel_chunk(pgd_t *pgd, void *va_start, void *va_end,
- pgprot_t prot, struct vm_struct *vma)
+static void __init map_kernel_segment(pgd_t *pgd, void *va_start, void *va_end,
+ pgprot_t prot, struct vm_struct *vma)
{
phys_addr_t pa_start = __pa(va_start);
unsigned long size = va_end - va_start;
@@ -499,11 +499,11 @@ static void __init map_kernel(pgd_t *pgd)
{
static struct vm_struct vmlinux_text, vmlinux_rodata, vmlinux_init, vmlinux_data;
- map_kernel_chunk(pgd, _stext, __start_rodata, PAGE_KERNEL_EXEC, &vmlinux_text);
- map_kernel_chunk(pgd, __start_rodata, _etext, PAGE_KERNEL, &vmlinux_rodata);
- map_kernel_chunk(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
- &vmlinux_init);
- map_kernel_chunk(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
+ map_kernel_segment(pgd, _text, __start_rodata, PAGE_KERNEL_EXEC, &vmlinux_text);
+ map_kernel_segment(pgd, __start_rodata, _etext, PAGE_KERNEL, &vmlinux_rodata);
+ map_kernel_segment(pgd, __init_begin, __init_end, PAGE_KERNEL_EXEC,
+ &vmlinux_init);
+ map_kernel_segment(pgd, _data, _end, PAGE_KERNEL, &vmlinux_data);
if (!pgd_val(*pgd_offset_raw(pgd, FIXADDR_START))) {
/*
@@ -564,8 +564,6 @@ void __init paging_init(void)
*/
memblock_free(__pa(swapper_pg_dir) + PAGE_SIZE,
SWAPPER_DIR_SIZE - PAGE_SIZE);
-
- bootmem_init();
}
/*