linux-kernel - [PATCH 2/2] xtensa: Flat DeviceTree copy not future-safe

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Message-ID: <1361471962-25164-3-git-send-email-vgupta@synopsys.com>
Date:	Fri, 22 Feb 2013 00:09:22 +0530
From:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Chris Zankel <chris@...kel.net>,
	Max Filippov <jcmvbkbc@...il.com>,
	Marc Gauthier <marc@...silica.com>
CC:	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	<linux-xtensa@...ux-xtensa.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] xtensa: Flat DeviceTree copy not future-safe

flat DT copy code calls bootmem allocator with @align = 0.
This is probably OK with legacy allocator which xtensa uses right now,
but this will panic right away with memblock allocator

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
Cc: Chris Zankel <chris@...kel.net>
Cc: Max Filippov <jcmvbkbc@...il.com>
Cc: Marc Gauthier <marc@...silica.com>
Cc: linux-xtensa@...ux-xtensa.org
Cc: linux-kernel@...r.kernel.org
---
 arch/xtensa/kernel/setup.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 6dd25ec..c2a526e 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -256,7 +256,7 @@ void __init early_init_devtree(void *params)
 static void __init copy_devtree(void)
 {
 	void *alloc = early_init_dt_alloc_memory_arch(
-			be32_to_cpu(initial_boot_params->totalsize), 0);
+			be32_to_cpu(initial_boot_params->totalsize), 8);
 	if (alloc) {
 		memcpy(alloc, initial_boot_params,
 				be32_to_cpu(initial_boot_params->totalsize));
-- 
1.7.4.1

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