Message ID | 20200918201436.2932360-25-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=ObhRsoWs; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BtQ7t6v7Kz9sTv for <incoming@patchwork.ozlabs.org>; Sat, 19 Sep 2020 06:15:54 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726290AbgIRUPj (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Fri, 18 Sep 2020 16:15:39 -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 S1726662AbgIRUPi (ORCPT <rfc822;linux-pci@vger.kernel.org>); Fri, 18 Sep 2020 16:15:38 -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 794CDC0613D8 for <linux-pci@vger.kernel.org>; Fri, 18 Sep 2020 13:15:37 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id w126so5598175qka.5 for <linux-pci@vger.kernel.org>; Fri, 18 Sep 2020 13:15:37 -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=/0ldiyB2nVfkSW+Z4ZqugZ1I2eeQ0sdYMfFHH6J6dWM=; b=ObhRsoWs56/ckOGNxhhvSliY51cEtV0g/uMSUnztF/O7z31SMtCH/329m8ibTSKZpG fiez3GHcBYfc9o5RBx52gPxMzE2kT7BpfP1ZD4q5GKOuEItaIBhl8DMnx+NNI8ef7ycs b8R96aDxgD2UiGsnLon+7daf2qTD2JY7NXxEElaPkmsOHkoKvbT8QFHFiJaUXRtTLxH0 55yHN4z3tf4xECFWt3X9nwCecG7xNYuYAMLaw4tETvqQQGxC0C2DOdr9nz2poaLSjtvv 1tZdTBVYTcwfiT3/yI4GgTADGX+HKVoqImsQX1FHpwsSfHwO0fR0fgmBvCx0ByfTr/Ho 8lWw== 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=/0ldiyB2nVfkSW+Z4ZqugZ1I2eeQ0sdYMfFHH6J6dWM=; b=N8Ny2u87aw9MrFSyOngo3oaJqdqXziyGp+s4goV62s5xmapbWB0lpGNv5vmJ25WpSk IDS6nK2b8fTRhxpUtg7m7omxrGQucHqCOAaS3/FbYTZSLnOtqVP0W6UhLzX+kNL3g5kL yMSG/ENMuv8InkwNCIMHItPCFpr/0MEXhYl+TMzmaMPBl9gVSOLzB3FPPWjAiZtwwry1 67URe2Zem5xrVv9Vu/ziyAUz3ZYL6Jl3/cL6XE5yfLml9axPKZMeNFrTeTTVta4ZuXw6 F8uO6oHLqGFzJB0alsKGDiR0hMcuqDts3E6jaI4749F6/5BlGkAe2ZtNmLl8GLDYj9fn 9Leg== X-Gm-Message-State: AOAM53335dKM7TMhBnQSl/6z8yE6D/o1Kc1dFOgM6batAVT1FEkF5ORq ZolhA40zi/VRyU40PTVRPITg5d6d9l/Sf9UaBZA= X-Google-Smtp-Source: ABdhPJzlCcwfWl9pGOxTGz2mpuA0ZcI0OzyXT/6tCo4MOeFDLBSH0AjygGOTnITZPst0myY84qe7t61m7gd1U0GYQLc= 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:a0c:8b02:: with SMTP id q2mr19161266qva.48.1600460136604; Fri, 18 Sep 2020 13:15:36 -0700 (PDT) Date: Fri, 18 Sep 2020 13:14:30 -0700 In-Reply-To: <20200918201436.2932360-1-samitolvanen@google.com> Message-Id: <20200918201436.2932360-25-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 24/30] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY 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 |
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Add support for Clang LTO
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expand
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diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 4e8bb73359c8..57b875099b17 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -123,6 +123,7 @@ CHECKFLAGS += -D__aarch64__ ifeq ($(CONFIG_DYNAMIC_FTRACE_WITH_REGS),y) KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY CC_FLAGS_FTRACE := -fpatchable-function-entry=2 + export CC_USING_PATCHABLE_FUNCTION_ENTRY := 1 endif # Default value