Message ID | 20201013003203.4168817-22-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=XNjBIDIN; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4C9KdY3Rq6z9sX0 for <incoming@patchwork.ozlabs.org>; Tue, 13 Oct 2020 13:44:49 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727748AbgJMAe1 (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Mon, 12 Oct 2020 20:34:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727733AbgJMAdl (ORCPT <rfc822;linux-pci@vger.kernel.org>); Mon, 12 Oct 2020 20:33:41 -0400 Received: from mail-qv1-xf49.google.com (mail-qv1-xf49.google.com [IPv6:2607:f8b0:4864:20::f49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89C04C0613B1 for <linux-pci@vger.kernel.org>; Mon, 12 Oct 2020 17:32:53 -0700 (PDT) Received: by mail-qv1-xf49.google.com with SMTP id p29so11718828qve.17 for <linux-pci@vger.kernel.org>; Mon, 12 Oct 2020 17:32:53 -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=BiHYmAAiH626N89XqxkZXfyE7gUyoYuU5gV65m3nGjQ=; b=XNjBIDINKT2pRuTcs85XqtGqpKKB5NK63w4IySiOIysYaLEiPBkXTqBpHa9k0rcANP Mq8luu8tR+/vZGjuz5FWZqlrWlbhD1dsrCW8kjpnk6Of8lm3Uq7bjBxMFSPhYIwpNkRs wzxAjEDJS3JTBUI9Rc9q6CxPrCEE1D+TblGGgUcWZ9InruHmMULIEq8MSFdie4O9SeCJ CDrDZvBBKT7r3ExX0KMrO5Td8OLZ31CYqJR7Va6pe/bqAPf2uWlcxTyzqGmJpNzT0KMv wQ0Tg2BqZiU27oj8+ptgF/4aA8HHcfJ5uqYDxVmwrvDxTkUyV923+xAgmlUuAFczliXV NdAA== 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=BiHYmAAiH626N89XqxkZXfyE7gUyoYuU5gV65m3nGjQ=; b=h3z+x87u3xW9qf3S5XkT9LttvemZHtLEjW/FwDjAVW7VRaRj5rYoStmDuYja2xJzHP IjkQxAUwPalO/6HsIpFC6OGvpIwMDYpgdPiTjMbmnFK+fxvTnIA1LLevVn5kPjvSHdDG Eh8HyU5OwXgEGaBOxAC+tGejPPaSDFoVAcI9dGfJrTyS6H3ApoteeTfRSjcXbyrScsCk oVp4qrrjdA3ackbgBeErIkBoZbQTefF/7xnR+4zJKaR5Ebj3ZF54x+z9FPHOiSG5mM3y Jj3VG8qNUpfiJ2KmW1Vzp8Qtgxw1aI/dhJMj0dBWhTNeS3SMpLCwF64saZ3k7rO/o+r4 qDkA== X-Gm-Message-State: AOAM531e9XfkTvLtdYkPpIK5RnZpYgTyl+s6SkFhnAU8BiA3Xhxjj8HQ yKbw9b/ZAdfLpAGIx6w51tDOIxZHGaE02W32YT8= X-Google-Smtp-Source: ABdhPJw5yrP7SHcc7TWSGYuiAJWigblY6T4KARgQjUPREPTC4jVDZK0jmnjuyAbsgm5fKdwKwlLo7kamaFSoW1+wZMw= 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:ad4:5747:: with SMTP id q7mr15646088qvx.0.1602549172707; Mon, 12 Oct 2020 17:32:52 -0700 (PDT) Date: Mon, 12 Oct 2020 17:31:59 -0700 In-Reply-To: <20201013003203.4168817-1-samitolvanen@google.com> Message-Id: <20201013003203.4168817-22-samitolvanen@google.com> Mime-Version: 1.0 References: <20201013003203.4168817-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v6 21/25] drivers/misc/lkdtm: disable LTO for rodata.o From: Sami Tolvanen <samitolvanen@google.com> To: Masahiro Yamada <masahiroy@kernel.org>, Steven Rostedt <rostedt@goodmis.org> Cc: Will Deacon <will@kernel.org>, Peter Zijlstra <peterz@infradead.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 := \