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 3E752C433DF for ; Wed, 24 Jun 2020 20:37:42 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0C606206C0 for ; Wed, 24 Jun 2020 20:37:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Aeb7aVU+"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=google.com header.i=@google.com header.b="QHLFKZjz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0C606206C0 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:From:Subject:References:Mime-Version:Message-Id: In-Reply-To:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=wEtZ99SQKF1PeSieex0lxuL03Xihn7KZJfz5QQkqKDA=; b=Aeb7aVU+vPBbixf/iOMEDTBbg 4MVS1zhPzu1fyesTC1iv+Lq814GlRy9+2aFhQVYiaFu6l7U0t4x5XnzAjOxdKFK4sQbOoo/aT6fsh HFUyFVSaAzd4Q2vSP9EfnyVXoCVk1mF+YjD9wSxBg9EPTqglxAx17/yJl97sTPIdMEqBXsCt1vVhh B9jmL9bWSBIojzSNpbUebuGSrvvjqzes4Kj/CpvwXtd7hQ+2pX5EVEtdAxv2ZpBmmegaOusxIgKCh r+PQgkkLkEbH3GMtu7KHLgjMwXvScBMUz9QNxSHDgg2FtsxQxJ9q/K6JfsiQ8+Ej0fpfq1qR1i/0e 8Qr1iYGTw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1joC79-0008Mq-2J; Wed, 24 Jun 2020 20:35:23 +0000 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1joC5G-0007CC-Hz for linux-arm-kernel@lists.infradead.org; Wed, 24 Jun 2020 20:33:27 +0000 Received: by mail-yb1-xb49.google.com with SMTP id c3so3490312ybi.3 for ; Wed, 24 Jun 2020 13:33:24 -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=063/REsTpnFRr+cDI+sseVhgFckW5SG29uiho3UNZTY=; b=QHLFKZjziQv1B4lTQJOFrFkeBBeD3vqMRAW+KU8uSJ0z8P5diTku752ppGYK+p1sHj Tuqj5FmieFc5zewP3DRNS5iM40Pga5Yd012RZ1UJSub9OeGcQ/BjM9Xhswo2S+wawZKA RoZrP4AKzJhPxHnp2kwUEq2iAcWJC9Jvd0o41DT/D0J5C0PT78vt0tH2KpFNFHvjKqOE izzBiEOpzdtuThxfwOEyO+K5m3BsSaqVWi7OpscZsOWnWe/8qa7rh4O22Mfte1SMk6Qe rW+Cnirb92ArG8+1lDPtjHVyv4CvsFhD6/kzdDW605IdVtQymCiQD3WRRYOvRlD/Mv+p 36IQ== 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=063/REsTpnFRr+cDI+sseVhgFckW5SG29uiho3UNZTY=; b=bNZ/iwWw7szySpCW9iwng1ONr5nxspxy43Cv4BNd8MGEMSWMG8XVZOfNH2x92nRFHG Ft6H+kSfeVRrIOnigkr2QWEkEnX7//WnShWEuqXFOwYgaw99w63U8BImCC3S6vcG4bBI W+8ZYGT4ZMHE6cpc0L6Y45v2dqVRtLEwr9Gt1vFkn+1In7VszCeVYO8LSnmBalVmrN49 pVP8tvChsc5KEimNG/UhIMLUpK51C1gqeleomSqxHDFBugIoNwTO1R8wnP+yOb98zHIy YJRF6Fv5lCdycjlVpMYnYAQNmv5FT7KbStOR/JbTKSYa71cRjyYgVtzmolJ3Wf7zIObl Vddg== X-Gm-Message-State: AOAM531hdbbmd2n1kr1M86G7LX4zuj1qjoZlUhf7n5Czdd60ANJdwK/x i1JY5LgQTYCizvMo8m73suT8TsOEc/ldevDl0O4= X-Google-Smtp-Source: ABdhPJxSD93X1bZbMxIVxbatDlNzo+plulwlXrP7mUhDGUyc2zpYsUnUjocqKRL/aFZ9kJnCfhHJEfDbrbY1YJULi70= X-Received: by 2002:a25:e8b:: with SMTP id 133mr46457083ybo.13.1593030803250; Wed, 24 Jun 2020 13:33:23 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:52 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-15-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 14/22] efi/libstub: 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 With CONFIG_LTO_CLANG, we produce LLVM bitcode instead of ELF object files. Since LTO is not really needed here and the Makefile assumes we produce an object file, disable LTO for libstub. Signed-off-by: Sami Tolvanen --- drivers/firmware/efi/libstub/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 75daaf20374e..95e12002cc7c 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -35,6 +35,8 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \ # remove SCS flags from all objects in this directory KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) +# disable LTO +KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS)) GCOV_PROFILE := n # Sanitizer runtimes are unavailable and cannot be linked here. -- 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