[Xen-changelog] [xen-unstable] arm: map DTB as outer- rather than inner-shareable.

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1331824837 0
# Node ID 18c6237939c39cf50179d458b645814cd588b757
# Parent  bd685bff45b3f973e4ce979a89defdac1961925b
arm: map DTB as outer- rather than inner-shareable.

This is consistent with how we map Xen which is important if they happen to be
in the same 2MB super page (which they generally are)

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r bd685bff45b3 -r 18c6237939c3 xen/arch/arm/head.S
--- a/xen/arch/arm/head.S       Thu Mar 15 15:13:00 2012 +0100
+++ b/xen/arch/arm/head.S       Thu Mar 15 15:20:37 2012 +0000
@@ -238,7 +238,7 @@
        mov   r3, #0x0
        lsr   r2, r8, #21
        lsl   r2, r2, #21            /* 2MB-aligned paddr of DTB */
-       orr   r2, r2, #0xf00
+       orr   r2, r2, #0xe00
        orr   r2, r2, #0x07d         /* r2:r3 := 2MB RAM incl. DTB */
        add   r4, r4, #8
        strd  r2, r3, [r1, r4]       /* Map it in the early boot slot */

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