Message ID | 20201013003203.4168817-13-samitolvanen@google.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show
Return-Path: <SRS0=yApV=DU=vger.kernel.org=linux-pci-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 35B3C14D5 for <patchwork-linux-pci@patchwork.kernel.org>; Tue, 13 Oct 2020 02:45:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17AEB20678 for <patchwork-linux-pci@patchwork.kernel.org>; Tue, 13 Oct 2020 02:45:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="nfKwI9L0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727458AbgJMAdY (ORCPT <rfc822;patchwork-linux-pci@patchwork.kernel.org>); Mon, 12 Oct 2020 20:33:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727423AbgJMAcb (ORCPT <rfc822;linux-pci@vger.kernel.org>); Mon, 12 Oct 2020 20:32:31 -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 5BF6FC0613D6 for <linux-pci@vger.kernel.org>; Mon, 12 Oct 2020 17:32:31 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id w126so13898338qka.5 for <linux-pci@vger.kernel.org>; Mon, 12 Oct 2020 17:32:31 -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=VMCZDfrBZTgAeIay1rQ29+uk2lw3Iqw8lHEoyZvJXcw=; b=nfKwI9L0AIFN/q2chPmhJejzrBkYs0AxSEEy5fMqd20mS1osQThhU+ktBGNYJaYON2 MjqIs9Rl7hlo6AIxtQ8N9k1pcoq5ps0nN8zY2Xo536Oyj1gVgj/lQEyGB8wz3lEphQRn 2a1yV5HhbU2nGBMNwGgkGuol3VvcnDW+IkWtbFHZhCYQRfBcbMJubOSbajBBqU+1O5Lc vfXB9fY0pxR64gHEC1sLB+1X7ygPM6rsC8GT4gpvySGeXGx9VtbnLfGxKbpXvIJwD6/H 97AQwdvtwYTTmK+V2mtwsV3UBIBJzwfFWuK8t1tvV6xVdxIgGCV2JLCT63S6ODvptoz5 tFPg== 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=VMCZDfrBZTgAeIay1rQ29+uk2lw3Iqw8lHEoyZvJXcw=; b=kwi54rR9PezUQWmnjsJrQyDbl3jU3HcxVCqOOQ4fJTI4vqxEPVIS55IUR4TIxztdCd e3sh/VJdQm4USYStSYIKOfqD1d6263AkqptylDD50p7xVbkx973zuObmJlq2iFYnpl3o KMg4j19PS9ks/pSxtdSQV5gVTiJF2uF9TM+7mOrcUIABKlYdcFIyLtuUD2+dAGckgeUt snjmnV9hDVWJAtEvfI7A3LyUnH7cA7S6FUxBPWAYw8pa9F4KAv4y1PCm7Y6slBMZF0gv yR5EWGluPrvS7Je9/mroYdw4lhfDP4EYVxqshj96f2XFqoxCdPUaD5EYY3M07267vEqf dMsA== X-Gm-Message-State: AOAM533mMIsbh6HfkkqMsAqG1IHkn8ltQ4wHymvgxwOikGLN5zyhbRIe r41tx2O16fQfZwi9bJyTZlw33VdXidHRvWf+0F4= X-Google-Smtp-Source: ABdhPJxSmGaKr8jvnZZWeZs3NgnMtwPC1onr9g3CEDlPD9ytqEe1Dbwb5OtBLL/kqlcnIZWLZSXhLwgEYzEWhabcOlM= 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:ad4:4b2a:: with SMTP id s10mr1226538qvw.54.1602549150461; Mon, 12 Oct 2020 17:32:30 -0700 (PDT) Date: Mon, 12 Oct 2020 17:31:50 -0700 In-Reply-To: <20201013003203.4168817-1-samitolvanen@google.com> Message-Id: <20201013003203.4168817-13-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 12/25] kbuild: lto: limit inlining 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/Makefile b/Makefile index 91cd6caefa6e..41b01248d400 100644 --- a/Makefile +++ b/Makefile @@ -894,6 +894,9 @@ else CC_FLAGS_LTO += -flto endif CC_FLAGS_LTO += -fvisibility=default + +# Limit inlining across translation units to reduce binary size +KBUILD_LDFLAGS += -mllvm -import-instr-limit=5 endif ifdef CONFIG_LTO