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[Qemu-devel] [PATCH v2] device_tree: Increase FDT_MAX_SIZE to 1 MiB
From: |
Geert Uytterhoeven |
Subject: |
[Qemu-devel] [PATCH v2] device_tree: Increase FDT_MAX_SIZE to 1 MiB |
Date: |
Wed, 14 Feb 2018 14:13:55 +0100 |
It is not uncommon for a contemporary FDT to be larger than 64 KiB,
leading to failures loading the device tree from sysfs:
qemu-system-aarch64: qemu_fdt_setprop: Couldn't set ...: FDT_ERR_NOSPACE
Hence increase the limit to 1 MiB, like on PPC.
For reference, the largest arm64 DTB created from the Linux sources is
70 KiB large (93 KiB when built with symbols/fixup support).
Signed-off-by: Geert Uytterhoeven <address@hidden>
---
v2:
- Enlarge from 128 KiB to 1 MiB, as suggested by Peter Maydell.
---
device_tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/device_tree.c b/device_tree.c
index a24ddff02bdd857c..9eb5fae7381fe885 100644
--- a/device_tree.c
+++ b/device_tree.c
@@ -29,7 +29,7 @@
#include <libfdt.h>
-#define FDT_MAX_SIZE 0x10000
+#define FDT_MAX_SIZE 0x100000
void *create_device_tree(int *sizep)
{
--
2.7.4
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