From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758505AbcIQBBB (ORCPT ); Fri, 16 Sep 2016 21:01:01 -0400 Received: from gabe.freedesktop.org ([131.252.210.177]:36391 "EHLO gabe.freedesktop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755432AbcIQBAw (ORCPT ); Fri, 16 Sep 2016 21:00:52 -0400 X-Greylist: delayed 538 seconds by postgrey-1.27 at vger.kernel.org; Fri, 16 Sep 2016 21:00:52 EDT From: Vinson Lee To: Dmitry Safonov , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Andy Lutomirski , Borislav Petkov , Dmitry Vyukov , Brian Gerst Cc: linux-kernel@vger.kernel.org Subject: [PATCH] x86/vdso: Add ARCH_MAP_VDSO_X32 if CONFIG_X86_X32_ABI. Date: Sat, 17 Sep 2016 00:51:53 +0000 Message-Id: <1474073513-6656-1-git-send-email-vlee@freedesktop.org> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org vdso_image_x32 is generated if CONFIG_X86_X32_ABI. This patch fixes this build error on CentOS 6.8 with gcc 4.4. LD init/built-in.o arch/x86/built-in.o: In function `do_arch_prctl': (.text+0x27466): undefined reference to `vdso_image_x32' arch/x86/built-in.o: In function `do_arch_prctl': (.text+0x27477): undefined reference to `vdso_image_x32' Fixes: 2eefd8789698 ("x86/arch_prctl/vdso: Add ARCH_MAP_VDSO_*") Signed-off-by: Vinson Lee --- arch/x86/kernel/process_64.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index b34caea..b3760b3 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -592,7 +592,7 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr) } #ifdef CONFIG_CHECKPOINT_RESTORE -# ifdef CONFIG_X86_X32 +# ifdef CONFIG_X86_X32_ABI case ARCH_MAP_VDSO_X32: return prctl_map_vdso(&vdso_image_x32, addr); # endif -- 1.7.1