From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423615Ab2KOJkd (ORCPT ); Thu, 15 Nov 2012 04:40:33 -0500 Received: from mail1.windriver.com ([147.11.146.13]:60754 "EHLO mail1.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933217Ab2KOJka (ORCPT ); Thu, 15 Nov 2012 04:40:30 -0500 From: Tiejun Chen To: CC: , Subject: [PATCH 6/6] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET Date: Thu, 15 Nov 2012 17:39:56 +0800 Message-ID: <1352972396-13489-7-git-send-email-tiejun.chen@windriver.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1352972396-13489-1-git-send-email-tiejun.chen@windriver.com> References: <1352972396-13489-1-git-send-email-tiejun.chen@windriver.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Book3e is always aligned 1GB to create TLB so we should use (KERNELBASE - MEMORY_START) as VIRT_PHYS_OFFSET to get __pa/__va properly while boot kdump. Signed-off-by: Tiejun Chen --- arch/powerpc/include/asm/page.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index f072e97..2cba08a 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -112,6 +112,8 @@ extern long long virt_phys_offset; /* See Description below for VIRT_PHYS_OFFSET */ #ifdef CONFIG_RELOCATABLE_PPC32 #define VIRT_PHYS_OFFSET virt_phys_offset +#elif defined(CONFIG_PPC_BOOK3E_64) +#define VIRT_PHYS_OFFSET (KERNELBASE - MEMORY_START) #else #define VIRT_PHYS_OFFSET (KERNELBASE - PHYSICAL_START) #endif -- 1.7.9.5 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail1.windriver.com (mail1.windriver.com [147.11.146.13]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mail1.windriver.com", Issuer "Intel External Basic Issuing CA 3A" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 5C2482C03F6 for ; Thu, 15 Nov 2012 20:40:19 +1100 (EST) From: Tiejun Chen To: Subject: [PATCH 6/6] book3e/kexec/kdump: redefine VIRT_PHYS_OFFSET Date: Thu, 15 Nov 2012 17:39:56 +0800 Message-ID: <1352972396-13489-7-git-send-email-tiejun.chen@windriver.com> In-Reply-To: <1352972396-13489-1-git-send-email-tiejun.chen@windriver.com> References: <1352972396-13489-1-git-send-email-tiejun.chen@windriver.com> MIME-Version: 1.0 Content-Type: text/plain Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Book3e is always aligned 1GB to create TLB so we should use (KERNELBASE - MEMORY_START) as VIRT_PHYS_OFFSET to get __pa/__va properly while boot kdump. Signed-off-by: Tiejun Chen --- arch/powerpc/include/asm/page.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index f072e97..2cba08a 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -112,6 +112,8 @@ extern long long virt_phys_offset; /* See Description below for VIRT_PHYS_OFFSET */ #ifdef CONFIG_RELOCATABLE_PPC32 #define VIRT_PHYS_OFFSET virt_phys_offset +#elif defined(CONFIG_PPC_BOOK3E_64) +#define VIRT_PHYS_OFFSET (KERNELBASE - MEMORY_START) #else #define VIRT_PHYS_OFFSET (KERNELBASE - PHYSICAL_START) #endif -- 1.7.9.5