Message ID | 20200918201436.2932360-24-samitolvanen@google.com |
---|---|
State | New |
Headers | show
Return-Path: <linux-pci-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=YYDR5W+p; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BtQ8G098Yz9sVM for <incoming@patchwork.ozlabs.org>; Sat, 19 Sep 2020 06:16:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726666AbgIRUQL (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Fri, 18 Sep 2020 16:16:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726614AbgIRUPf (ORCPT <rfc822;linux-pci@vger.kernel.org>); Fri, 18 Sep 2020 16:15:35 -0400 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED3CFC0613D4 for <linux-pci@vger.kernel.org>; Fri, 18 Sep 2020 13:15:34 -0700 (PDT) Received: by mail-qk1-x749.google.com with SMTP id 6so5569119qko.8 for <linux-pci@vger.kernel.org>; Fri, 18 Sep 2020 13:15:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=Aq4KaYtXPvsIFu2w9Cb9+vNMYXxmfrCDkI2ZzAJ/U8w=; b=YYDR5W+pWvCCMlsLuxLz2kP7xV+uq2FmsovV4iGNvno67WC358C4PSNmTbdGHW6cZy Xr2bfek6oOyIlLCqqcmz58AwsnwR59RRO+p9vcpDdt33YhN8IrJ/O6OhGAnZkSzVXUBi juaZEaotR1IoDS52HcVfmR1tV9lf6hMZtKDYu+gLSSBc5p2YM9N18q2UMIgXTdzr3uIq Fm8Rp3KBn78V9C/U0MxUKT6AZU9wjegUqE9FD6bezlPI8xyTBnsPinaduX3IiPx/NQx9 CiLebwGjfIl4ZFQ0mM3lJvlbPYemZFWx56rfr5kUCzWThPFDwAshAHrFrPtMZk+I/w6c LAyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=Aq4KaYtXPvsIFu2w9Cb9+vNMYXxmfrCDkI2ZzAJ/U8w=; b=RYUqyGZpxnztupqakaH8XCSOD29loCT2EsJFcvs+AqeUyycu9n/sKotteKECkveSO1 mRgyiLwS4pTTnI7NKsJV9v4L8+J0NHwK9tSjfyVARs+SFiqcUMHea7EsA/5EKTyBA5lP pVgxasaUa+Yhd2HcZrrFYpv2a+ikG6L+Qu55Awm9E97v0myQM+OB4TgfV3Vc/hZYdYn/ P0rNKSswZsFPm78lRLjLFpmEFqbRwAda2ZXS0dobAiA4GhpCBUZUg/Acjb4KO/n11I6c cJqbCN9hdSSdw+2SsZJtVCIqoNKJ4+1AKSHvNs50aHXkj99aw7BlPBnqfWaxz1qr49h3 eMkQ== X-Gm-Message-State: AOAM5323bZBT6Dj7TQL718c/8BEH7JqBhVyM4Pwi3QFkifz2SAsnhWGg RNwsCl093y5jWgt8JbwNwzXuhApmwyYsNO5Htm0= X-Google-Smtp-Source: ABdhPJzXb8qZ74hw7N+WHo8RG9mWCgQryKG+Dq+aV9VBYLvnlICCRjFkSfcNOp4lq06uZySFvKcVSM3OKhDJkRKVbys= Sender: "samitolvanen via sendgmr" <samitolvanen@samitolvanen1.mtv.corp.google.com> X-Received: from samitolvanen1.mtv.corp.google.com ([2620:15c:201:2:f693:9fff:fef4:1b6d]) (user=samitolvanen job=sendgmr) by 2002:ad4:4d87:: with SMTP id cv7mr19182556qvb.49.1600460134116; Fri, 18 Sep 2020 13:15:34 -0700 (PDT) Date: Fri, 18 Sep 2020 13:14:29 -0700 In-Reply-To: <20200918201436.2932360-1-samitolvanen@google.com> Message-Id: <20200918201436.2932360-24-samitolvanen@google.com> Mime-Version: 1.0 References: <20200918201436.2932360-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.681.g6f77f65b4e-goog Subject: [PATCH v3 23/30] drivers/misc/lkdtm: disable LTO for rodata.o From: Sami Tolvanen <samitolvanen@google.com> To: Masahiro Yamada <masahiroy@kernel.org>, Will Deacon <will@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org>, Steven Rostedt <rostedt@goodmis.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, "Paul E. McKenney" <paulmck@kernel.org>, Kees Cook <keescook@chromium.org>, Nick Desaulniers <ndesaulniers@google.com>, 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 <samitolvanen@google.com> Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: <linux-pci.vger.kernel.org> X-Mailing-List: linux-pci@vger.kernel.org |
Series |
Add support for Clang LTO
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expand
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diff --git a/drivers/misc/lkdtm/Makefile b/drivers/misc/lkdtm/Makefile index c70b3822013f..dd4c936d4d73 100644 --- a/drivers/misc/lkdtm/Makefile +++ b/drivers/misc/lkdtm/Makefile @@ -13,6 +13,7 @@ lkdtm-$(CONFIG_LKDTM) += cfi.o KASAN_SANITIZE_stackleak.o := n KCOV_INSTRUMENT_rodata.o := n +CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO) OBJCOPYFLAGS := OBJCOPYFLAGS_rodata_objcopy.o := \