From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B9F2C433E0 for ; Wed, 24 Jun 2020 20:33:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D99020836 for ; Wed, 24 Jun 2020 20:33:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BZIaPVfK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406592AbgFXUdf (ORCPT ); Wed, 24 Jun 2020 16:33:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406570AbgFXUdb (ORCPT ); Wed, 24 Jun 2020 16:33:31 -0400 Received: from mail-qk1-x74a.google.com (mail-qk1-x74a.google.com [IPv6:2607:f8b0:4864:20::74a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAC07C061798 for ; Wed, 24 Jun 2020 13:33:29 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id l6so2484258qkk.14 for ; Wed, 24 Jun 2020 13:33:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=0gnBAHJLx9lqO/s+HwJkcFCIJr1VhaUKeKhoSxpNVYo=; b=BZIaPVfK4mM5FaEgiOXOWzMHkzLTbGkEfiJOtrAEFVfi2gebzUCHiY5apTLMtfHkTM l75+dKXwrfuQQVQD2stOWlndadQB1Zc6NUYn/q6QeMRTQnSqWTMGKUHewmR4G35OHvGp b5/SiArvL0S+A3ZHxVqs+VYlHjtrFUCuNx8i9CZCiQNeqcMm9dSVbAn39gIUe0DUghnD /f5TKe7Xx1FfkMjgZr3OsJkbEjKTvqcrDihZLf9/s8waWGOostMsdN7liEE23xBIKS3z 6Rz9E3efblWhUua9EUcgFt56u58fIXV0W2fm5zALG7kNoivW4ApgaZxGRBArCosaw+co NR1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=0gnBAHJLx9lqO/s+HwJkcFCIJr1VhaUKeKhoSxpNVYo=; b=aQmrnN5z1/MQBa8lcr2XjYZU0U/B2QzsZxOJWPhYQ7oRMYyU/h3/nT7JelLVMaXsf2 AnNkTxaSfu8OWv/i5SCUSuYayBZ31XNnkI/6HBaWRqt4+K3imUct9FOPZzbu7RV1bCfD e7otu0CuCoWkdH8fuUwa3jN3t60cLGXUK4IPSxOXyqxo7XEAsgzcnYKGY5B37SWEsDH1 +Vvr9P/hnkWICkHdJjIwjKsZxtQbeOT/wAkTkObvCgK5Ju9juNafT56xByatqVIRraeI LYoUlkmyqrwvyzokooft6QcId1u/ev3q8ZZxxLbE2B8m8UBDkJroukaUhKih9a5c4Yx1 3dOA== X-Gm-Message-State: AOAM532BWRTpUZlPGMfrCpRkyaUEkhmyELZ9Dvx0FCA+NGwDA1DWj3cx Y+2n0hFGabtzW0lqJG2z8KjJH7Mc9BqdlMUgvtc= X-Google-Smtp-Source: ABdhPJxTPJmHGzX5Q2m0yR96w4zaIPYDqCpLQon4kItXV3AD16e4+1m+5QFH8jaic4yItHA3V16FC+0hhVHCKPD3doc= X-Received: by 2002:a0c:ec4b:: with SMTP id n11mr33232031qvq.103.1593030808901; Wed, 24 Jun 2020 13:33:28 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:55 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20200624203200.78870-1-samitolvanen@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH 17/22] arm64: vdso: disable LTO From: Sami Tolvanen To: Masahiro Yamada , Will Deacon Cc: Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Filter out CC_FLAGS_LTO for the vDSO. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/vdso/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 556d424c6f52..cfad4c296ca1 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -29,8 +29,8 @@ ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 ccflags-y += -DDISABLE_BRANCH_PROFILING -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) -KBUILD_CFLAGS += $(DISABLE_LTO) +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) \ + $(CC_FLAGS_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y -- 2.27.0.212.ge8ba1cc988-goog From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A231C433DF for ; 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Wed, 24 Jun 2020 13:33:28 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:55 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20200624203200.78870-1-samitolvanen@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH 17/22] arm64: vdso: disable LTO From: Sami Tolvanen To: Masahiro Yamada , Will Deacon X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, x86@kernel.org, Kees Cook , "Paul E. McKenney" , kernel-hardening@lists.openwall.com, Greg Kroah-Hartman , linux-kbuild@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Sami Tolvanen , linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Filter out CC_FLAGS_LTO for the vDSO. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/vdso/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 556d424c6f52..cfad4c296ca1 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -29,8 +29,8 @@ ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 ccflags-y += -DDISABLE_BRANCH_PROFILING -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) -KBUILD_CFLAGS += $(DISABLE_LTO) +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) \ + $(CC_FLAGS_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y -- 2.27.0.212.ge8ba1cc988-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20F23C433E0 for ; Wed, 24 Jun 2020 20:35:48 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 788F32080C for ; Wed, 24 Jun 2020 20:35:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BZIaPVfK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 788F32080C Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-19125-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 2000 invoked by uid 550); 24 Jun 2020 20:33:41 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Received: (qmail 1913 invoked from network); 24 Jun 2020 20:33:40 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=0gnBAHJLx9lqO/s+HwJkcFCIJr1VhaUKeKhoSxpNVYo=; b=BZIaPVfK4mM5FaEgiOXOWzMHkzLTbGkEfiJOtrAEFVfi2gebzUCHiY5apTLMtfHkTM l75+dKXwrfuQQVQD2stOWlndadQB1Zc6NUYn/q6QeMRTQnSqWTMGKUHewmR4G35OHvGp b5/SiArvL0S+A3ZHxVqs+VYlHjtrFUCuNx8i9CZCiQNeqcMm9dSVbAn39gIUe0DUghnD /f5TKe7Xx1FfkMjgZr3OsJkbEjKTvqcrDihZLf9/s8waWGOostMsdN7liEE23xBIKS3z 6Rz9E3efblWhUua9EUcgFt56u58fIXV0W2fm5zALG7kNoivW4ApgaZxGRBArCosaw+co NR1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=0gnBAHJLx9lqO/s+HwJkcFCIJr1VhaUKeKhoSxpNVYo=; b=EZuh4TR4bndvmJPDz9Wy+pnQBFtTw31g0MEkube4zFtLELvf3XXZHwDAvLeAlua6y5 MVAOgvKJt6tXRVBo2eA09stgDm/7Gkhe392/WmPaEqNeYyI5Z9cGHuiLa0tlIZrGCLfp q/Y8QqxSdjpWjg2gHBlgS37m5jI/7hg4HQazXk2hrKHn08viPyqsBf4dYiffxtoiXYvt eDN4D1C5cXw3QZZn/yz5OKLp2mFyr72Q2LvMOZ673Gy1M3iIp7apC5IU5le+/4fToOR/ jqMg6Okc3INBhZSdcp6iuQE4V/ICz2efO6zXJHhzY1z12Rb7SYdIcUi4EjuRHUZWtKbJ bDNw== X-Gm-Message-State: AOAM532EsFD3tLwlxkBZ/H+BF1irIYBAdRl2nbCAx0X0qniQVUb62ALF g1hlnT1R/vE4mBbHCo7z9xekRe8JMvVMTTweOmM= X-Google-Smtp-Source: ABdhPJxTPJmHGzX5Q2m0yR96w4zaIPYDqCpLQon4kItXV3AD16e4+1m+5QFH8jaic4yItHA3V16FC+0hhVHCKPD3doc= X-Received: by 2002:a0c:ec4b:: with SMTP id n11mr33232031qvq.103.1593030808901; Wed, 24 Jun 2020 13:33:28 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:55 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-18-samitolvanen@google.com> Mime-Version: 1.0 References: <20200624203200.78870-1-samitolvanen@google.com> X-Mailer: git-send-email 2.27.0.212.ge8ba1cc988-goog Subject: [PATCH 17/22] arm64: vdso: disable LTO From: Sami Tolvanen To: Masahiro Yamada , Will Deacon Cc: Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , clang-built-linux@googlegroups.com, kernel-hardening@lists.openwall.com, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Filter out CC_FLAGS_LTO for the vDSO. Signed-off-by: Sami Tolvanen --- arch/arm64/kernel/vdso/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile index 556d424c6f52..cfad4c296ca1 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -29,8 +29,8 @@ ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \ ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18 ccflags-y += -DDISABLE_BRANCH_PROFILING -CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) -KBUILD_CFLAGS += $(DISABLE_LTO) +CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS) \ + $(CC_FLAGS_LTO) KASAN_SANITIZE := n UBSAN_SANITIZE := n OBJECT_FILES_NON_STANDARD := y -- 2.27.0.212.ge8ba1cc988-goog