From: Catalin Marinas <catalin.marinas@xxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit df503ba7f653c590b475ab80bde788edf5af70d5 upstream.
With the spin-table SMP booting method, secondary CPUs poll a location
passed in the DT. The foundation-v8.dts file doesn't have this memory
reserved and there is a risk of Linux using it before secondary CPUs are
started.
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
arch/arm64/boot/dts/foundation-v8.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/foundation-v8.dts b/arch/arm64/boot/dts/foundation-v8.dts
index 84fcc5018284..519c4b2c0687 100644
--- a/arch/arm64/boot/dts/foundation-v8.dts
+++ b/arch/arm64/boot/dts/foundation-v8.dts
@@ -6,6 +6,8 @@
/dts-v1/;
+/memreserve/ 0x80000000 0x00010000;
+
/ {
model = "Foundation-v8A";
compatible = "arm,foundation-aarch64", "arm,vexpress";
--
1.9.1
--
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