From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f177.google.com (mail-pd0-f177.google.com [209.85.192.177]) by kanga.kvack.org (Postfix) with ESMTP id 929F06B004D for ; Wed, 9 Jul 2014 07:36:40 -0400 (EDT) Received: by mail-pd0-f177.google.com with SMTP id y10so8793351pdj.22 for ; Wed, 09 Jul 2014 04:36:40 -0700 (PDT) Received: from mailout1.w1.samsung.com (mailout1.w1.samsung.com. [210.118.77.11]) by mx.google.com with ESMTPS id ej14si7240532pdb.261.2014.07.09.04.36.37 for (version=TLSv1 cipher=RC4-MD5 bits=128/128); Wed, 09 Jul 2014 04:36:38 -0700 (PDT) Received: from eucpsbgm2.samsung.com (unknown [203.254.199.245]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0N8G00HYR08UG350@mailout1.w1.samsung.com> for linux-mm@kvack.org; Wed, 09 Jul 2014 12:36:30 +0100 (BST) From: Andrey Ryabinin Subject: [RFC/PATCH RESEND -next 04/21] x86: boot: vdso: disable instrumentation for code not linked with kernel Date: Wed, 09 Jul 2014 15:29:58 +0400 Message-id: <1404905415-9046-5-git-send-email-a.ryabinin@samsung.com> In-reply-to: <1404905415-9046-1-git-send-email-a.ryabinin@samsung.com> References: <1404905415-9046-1-git-send-email-a.ryabinin@samsung.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: Dmitry Vyukov , Konstantin Serebryany , Alexey Preobrazhensky , Andrey Konovalov , Yuri Gribov , Konstantin Khlebnikov , Sasha Levin , Michal Marek , Russell King , Thomas Gleixner , Ingo Molnar , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , linux-kbuild@vger.kernel.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org, linux-mm@kvack.org, Andrey Ryabinin To avoid build errors, compiler's instrumentation must be disabled for code not linked with kernel image. Signed-off-by: Andrey Ryabinin --- arch/x86/boot/Makefile | 2 ++ arch/x86/boot/compressed/Makefile | 2 ++ arch/x86/realmode/Makefile | 2 +- arch/x86/realmode/rm/Makefile | 1 + arch/x86/vdso/Makefile | 1 + 5 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile index dbe8dd2..9204cc0 100644 --- a/arch/x86/boot/Makefile +++ b/arch/x86/boot/Makefile @@ -14,6 +14,8 @@ # Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode. # The number is the same as you would ordinarily press at bootup. +KASAN_SANITIZE := n + SVGA_MODE := -DSVGA_MODE=NORMAL_VGA targets := vmlinux.bin setup.bin setup.elf bzImage diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 0fcd913..64a92b3 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile @@ -4,6 +4,8 @@ # create a compressed vmlinux image from the original vmlinux # +KASAN_SANITIZE := n + targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 diff --git a/arch/x86/realmode/Makefile b/arch/x86/realmode/Makefile index 94f7fbe..e02c2c6 100644 --- a/arch/x86/realmode/Makefile +++ b/arch/x86/realmode/Makefile @@ -6,7 +6,7 @@ # for more details. # # - +KASAN_SANITIZE := n subdir- := rm obj-y += init.o diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile index 7c0d7be..2730d77 100644 --- a/arch/x86/realmode/rm/Makefile +++ b/arch/x86/realmode/rm/Makefile @@ -6,6 +6,7 @@ # for more details. # # +KASAN_SANITIZE := n always := realmode.bin realmode.relocs diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile index 61b04fe..90daad6 100644 --- a/arch/x86/vdso/Makefile +++ b/arch/x86/vdso/Makefile @@ -3,6 +3,7 @@ # KBUILD_CFLAGS += $(DISABLE_LTO) +KASAN_SANITIZE := n VDSO64-$(CONFIG_X86_64) := y VDSOX32-$(CONFIG_X86_X32_ABI) := y -- 1.8.5.5 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org