Message ID | 20201009161338.657380-13-samitolvanen@google.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show
Return-Path: <SRS0=I3i3=DQ=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 068EC1580 for <patchwork-linux-pci@patchwork.kernel.org>; Fri, 9 Oct 2020 16:14:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D84592227F for <patchwork-linux-pci@patchwork.kernel.org>; Fri, 9 Oct 2020 16:14:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ZNNTphyu" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389717AbgJIQOo (ORCPT <rfc822;patchwork-linux-pci@patchwork.kernel.org>); Fri, 9 Oct 2020 12:14:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41560 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389700AbgJIQOG (ORCPT <rfc822;linux-pci@vger.kernel.org>); Fri, 9 Oct 2020 12:14:06 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35419C0613B9 for <linux-pci@vger.kernel.org>; Fri, 9 Oct 2020 09:14:06 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id c9so7418064ybs.8 for <linux-pci@vger.kernel.org>; Fri, 09 Oct 2020 09:14:06 -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=4HzvBRrh7y77qbzNEjVJ7UvC0hGlxJRwsbNcMQwghFk=; b=ZNNTphyuqijkRLPow6CC/aXgGKsYBRFzq/yKSKcyxkgD/lkmYvVzPyhTAXclZndZdh L3lGMAoJTnYIv0JKMzOqbYFxS0Z/IXLeipSXzl8ZMqk57oa/VznHrTFfgXFW0/IfZcD5 RqYTIdP+HiFz81jIb/NfQ1D9Haxc/uPLhTJVMZahC+e46ULJHAo2s4sjJ9UcS9BRTN/f US6FT8LeKQoMEj/HEtVefzXtpmZ2ndjtN2ZYgQYJ/yL6MsN+9+7BEiRxGDQkpU/Prblz jXweMCv47z7uMWgqx10kSVje4u+fTnnhzw09XocxwMtFtHquTcS5T3ofegl5oYhmmSKN kLnQ== 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=4HzvBRrh7y77qbzNEjVJ7UvC0hGlxJRwsbNcMQwghFk=; b=WGEY6x3jTyKitG0w49+lA6chDGE5UvByTk0vGrhtwK0JxLC5C9yXDlZ4ow3gl9ogUB swELneqJw3xsSmpGr0Nq8KnnJXYw5kcNyhaTN00f/HS6skeIPT0cwb9a4l2mi/2OHiqC WflVhpVmkHBzuqE7Qc0NbxLOrCgV9ni8NUPVpQKD3yeE7EemBb0DqzViGwZA1QMMiwKM qVZlGsfaqgu+3DL9IJVbpZkB9k7BbzAIwyznqp3lD+kadJglXARz/zIhfeMzJjYzbqW4 R0iTwJigun4ijAUtgtUyH+QfzduhkaJ6W3tqw/NcmVVOS9+FO0soDQAZ6Uk9hiC2UA8h bFDg== X-Gm-Message-State: AOAM530WaJy5jNhqT4bYE3vy+Ncwl+47Kz3HUh21/1Veq22J6U8OAxvd maeLwX6nKQUe8JM3gRI1nehvbIaHknWYvC5i5Ow= X-Google-Smtp-Source: ABdhPJw9ZF97isedllPPEidWjLehS6Y9RG+YGmBbMiJNYvcjDkRjrFEYfvutxmTQNPM4Efl/aY3oqUISefUn5+QvCQY= 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:a25:af90:: with SMTP id g16mr17666057ybh.259.1602260045402; Fri, 09 Oct 2020 09:14:05 -0700 (PDT) Date: Fri, 9 Oct 2020 09:13:21 -0700 In-Reply-To: <20201009161338.657380-1-samitolvanen@google.com> Message-Id: <20201009161338.657380-13-samitolvanen@google.com> Mime-Version: 1.0 References: <20201009161338.657380-1-samitolvanen@google.com> X-Mailer: git-send-email 2.28.0.1011.ga647a8990f-goog Subject: [PATCH v5 12/29] kbuild: lto: limit inlining From: Sami Tolvanen <samitolvanen@google.com> To: Masahiro Yamada <masahiroy@kernel.org>, Will Deacon <will@kernel.org>, Steven Rostedt <rostedt@goodmis.org> Cc: 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 6d31a78d79ce..3fe2dca17261 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