diff options
| author | David Daney <david.daney@cavium.com> | 2016-04-08 15:50:26 -0700 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2016-04-15 18:06:08 +0100 |
| commit | 3194ac6e66cc7a00c1fa9fecf33a7c376b489497 (patch) | |
| tree | 2820041003af28ce17b7d07ca23e25ab459a681e | |
| parent | 298535c00a2cbcd59e38f8f1c0c9ae7b9911e946 (diff) | |
| download | lwn-3194ac6e66cc7a00c1fa9fecf33a7c376b489497.tar.gz lwn-3194ac6e66cc7a00c1fa9fecf33a7c376b489497.zip | |
arm64: Move unflatten_device_tree() call earlier.
In order to extract NUMA information from the device tree, we need to
have the tree in its unflattened form.
Move the call to bootmem_init() in the tail of paging_init() into
setup_arch, and adjust header files so that its declaration is
visible.
Move the unflatten_device_tree() call between the calls to
paging_init() and bootmem_init(). Follow on patches add NUMA handling
to bootmem_init().
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
| -rw-r--r-- | arch/arm64/include/asm/mmu.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/setup.c | 12 | ||||
| -rw-r--r-- | arch/arm64/mm/mm.h | 1 | ||||
| -rw-r--r-- | arch/arm64/mm/mmu.c | 2 |
4 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h index 990124a67eeb..97b1d8f26b9c 100644 --- a/arch/arm64/include/asm/mmu.h +++ b/arch/arm64/include/asm/mmu.h @@ -29,6 +29,7 @@ typedef struct { #define ASID(mm) ((mm)->context.id.counter & 0xffff) extern void paging_init(void); +extern void bootmem_init(void); extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt); extern void init_mem_pgprot(void); extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys, diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 7b85b1d6a6fb..432bc7f1dc45 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -265,18 +265,22 @@ void __init setup_arch(char **cmdline_p) paging_init(); + if (acpi_disabled) + unflatten_device_tree(); + + bootmem_init(); + kasan_init(); request_standard_resources(); early_ioremap_reset(); - if (acpi_disabled) { - unflatten_device_tree(); + if (acpi_disabled) psci_dt_init(); - } else { + else psci_acpi_init(); - } + xen_early_init(); cpu_read_bootcpu_ops(); diff --git a/arch/arm64/mm/mm.h b/arch/arm64/mm/mm.h index ef47d99b5cbc..71fe98985455 100644 --- a/arch/arm64/mm/mm.h +++ b/arch/arm64/mm/mm.h @@ -1,3 +1,2 @@ -extern void __init bootmem_init(void); void fixup_init(void); diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index dbad533076d1..0f85a46c3e18 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -564,8 +564,6 @@ void __init paging_init(void) */ memblock_free(__pa(swapper_pg_dir) + PAGE_SIZE, SWAPPER_DIR_SIZE - PAGE_SIZE); - - bootmem_init(); } /* |