From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga06.intel.com ([134.134.136.21] helo=orsmga101.jf.intel.com) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1M2C3v-0008TS-7i for kexec@lists.infradead.org; Thu, 07 May 2009 22:27:38 +0000 From: "H. Peter Anvin" Subject: [PATCH 06/14] x86: add a Kconfig symbol for when relocations are needed Date: Thu, 7 May 2009 15:26:54 -0700 Message-Id: <1241735222-6640-7-git-send-email-hpa@linux.intel.com> In-Reply-To: <1241735222-6640-1-git-send-email-hpa@linux.intel.com> References: <1241735222-6640-1-git-send-email-hpa@linux.intel.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: linux-kernel@vger.kernel.org Cc: "H. Peter Anvin" , kexec@lists.infradead.org, hbabu@us.ibm.com, ebiederm@xmission.com, ying.huang@intel.com, mingo@elte.hu, sam@ravnborg.org, tglx@linutronix.de, vgoyal@redhat.com From: H. Peter Anvin We only need to build relocations when we are building a 32-bit relocatable kernel. Rather than unnecessarily complicating the Makefiles, make an explicit Kbuild symbol for this. [ Impact: permits future cleanup ] Signed-off-by: H. Peter Anvin Cc: Sam Ravnborg --- arch/x86/Kconfig | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 13b3a5a..cd76de1 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1516,6 +1516,11 @@ config RELOCATABLE it has been loaded at and the compile time physical address (CONFIG_PHYSICAL_START) is ignored. +# Relocation on x86-32 needs some additional build support +config X86_NEED_RELOCS + def_bool y + depends on X86_32 && RELOCATABLE + config PHYSICAL_ALIGN hex prompt "Alignment value to which kernel should be aligned" if X86_32 -- 1.6.0.6 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec