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arm64: Move unflatten_device_tree() call earlier.

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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>
This commit is contained in:
David Daney
2016-04-08 15:50:26 -07:00
committed by Will Deacon
parent 298535c00a
commit 3194ac6e66
4 changed files with 9 additions and 7 deletions
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12
arch/arm64/kernel/setup.c
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@@ -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();