From patchwork Mon Sep 23 02:05:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Blanchard X-Patchwork-Id: 277081 X-Patchwork-Delegate: benh@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id 9E87B2C0A52 for ; Mon, 23 Sep 2013 12:45:43 +1000 (EST) Received: by ozlabs.org (Postfix, from userid 1010) id 181D92C02EF; Mon, 23 Sep 2013 12:08:54 +1000 (EST) From: Anton Blanchard To: Benjamin Herrenschmidt , Paul Mackerras Subject: [PATCH 38/39] powerpc: Don't set HAVE_EFFICIENT_UNALIGNED_ACCESS on little endian builds Date: Mon, 23 Sep 2013 12:05:12 +1000 Message-Id: <1379901913-5945-39-git-send-email-anton@samba.org> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1379901913-5945-1-git-send-email-anton@samba.org> References: <1379901913-5945-1-git-send-email-anton@samba.org> Cc: linuxppc-dev@lists.ozlabs.org X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.16rc2 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" POWER7 takes alignment exceptions on some unaligned addresses, so disable HAVE_EFFICIENT_UNALIGNED_ACCESS. This fixes an early boot issue in the printk code. Signed-off-by: Anton Blanchard --- arch/powerpc/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d232c84..2193676 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -97,7 +97,7 @@ config PPC select VIRT_TO_BUS if !PPC64 select HAVE_IDE select HAVE_IOREMAP_PROT - select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_LITTLE_ENDIAN select HAVE_KPROBES select HAVE_ARCH_KGDB select HAVE_KRETPROBES