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um: Fix order of dtb unflatten/early init

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Scan the tree for reserved memory before unflattening it.  As Rob
Herring said:
| These should be reversed. early_init_fdt_scan_reserved_mem() works on
| the flat tree. Reserved memory needs to be reserved before
| unflatten_device_tree() starts allocating memory. Though I imagine that
| doesn't really matter for UML.

Suggested-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/lkml/YeF%2FVbxo6fAt0WLp@robh.at.kernel.org/
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Vincent Whitchurch 2022-01-19 10:29:34 +01:00 committed by Richard Weinberger
parent e3a33af812
commit 39508aab4a
1 changed files with 1 additions and 1 deletions
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2
arch/um/kernel/dtb.c
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@ -25,8 +25,8 @@ void uml_dtb_init(void)
return;
}
unflatten_device_tree();
early_init_fdt_scan_reserved_mem();
unflatten_device_tree();
}
static int __init uml_dtb_setup(char *line, int *add)