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=-17.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=unavailable 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 64252C433DF for ; Wed, 24 Jun 2020 20:34:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4264E2080C for ; Wed, 24 Jun 2020 20:34:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="MpnW9sRj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406651AbgFXUeH (ORCPT ); Wed, 24 Jun 2020 16:34:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406562AbgFXUd3 (ORCPT ); Wed, 24 Jun 2020 16:33:29 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1793C061796 for ; Wed, 24 Jun 2020 13:33:27 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id z26so2426944qto.15 for ; Wed, 24 Jun 2020 13:33:27 -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=Y5ofKWtW7b37fMwYLfPdHt3IGKVdbeQxX7e2DATRt0o=; b=MpnW9sRj+tNBN3TDOB0E4bCD73iqcMpQvhC/oM2fJsIoYTK0vvtDvbgVlrqJ4oIK0n hUkrO/tMTdR+N69BPrGONWoZVqr/PGTcGNGx7KoFKTb76Da/RvpOWxtl8VBxl/EZOrgt 5F9d69yFBuUFcdmnwtkp0D0VXoRY0s2h1Yr7OuAvRe5TUtgm7VwUMLCUarJXBYi3YH1w ecgv9j79/kdCnb16j6h9hpiIIbrE81Rw7ot9VeyVU18a4/rQr8YcJy/lwnjNPlRdogMZ F7b/c1lcoIWNDz5L2rbw2gGQuBQXJi1K+B1Nnm4G09LoPyPmFpMaZH6DTHw/IetIWtiC Gcqg== 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=Y5ofKWtW7b37fMwYLfPdHt3IGKVdbeQxX7e2DATRt0o=; b=D3xlS41dhsBIycE4N+o2jkiJ2Z1gts6gNkeLNGaKzNYJcr1Ja81gjrjFPVErxiXod0 q9T7eTX/Qb1aTpPOG8ejI52Y9cZxjeslZ+j6Ed7wLqTegq1YFkk7iqCvCpjX4yhaHVMd YJSUJwUZRD+roIXG2agvcqHEyhPBVIWxmzeaOzYoIwg8xKcEg7QIVvf53ucs6UkLUQh4 /ImGbAeU6wVnI7Rl2ArnrwYjM6cAqdyCwCJf4flJ37tkI6ucCgilTv4JqLhl0Kzl1mal FxQwa6fzVg5uGJ10+hCLjyMFORV7wUl5Bd63MmztxULlOkfK0DmrD2aF7GwOItgeIrVg Ktlg== X-Gm-Message-State: AOAM533pm05lhUHDERenkVGjTKZsynYkkpgM9M6SrDxl0aWdFDoLdSFV nYUYlmfi553AgbW6GgVLgvGiliuzRyyo5vRIamo= X-Google-Smtp-Source: ABdhPJyJOTQdckiniPybTRC01pO0CmjbQctgmf229uGzKfKGpm1EtRROJM8c/GsGd5lxXSpfxv2hqLta+vkNePH8WAU= X-Received: by 2002:ad4:4ae1:: with SMTP id cp1mr752045qvb.91.1593030807024; Wed, 24 Jun 2020 13:33:27 -0700 (PDT) Date: Wed, 24 Jun 2020 13:31:54 -0700 In-Reply-To: <20200624203200.78870-1-samitolvanen@google.com> Message-Id: <20200624203200.78870-17-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 16/22] arm64: export CC_USING_PATCHABLE_FUNCTION_ENTRY From: Sami Tolvanen To: Masahiro Yamada , Will Deacon Cc: Greg Kroah-Hartman , "Paul E. McKenney" , Kees Cook , Nick Desaulniers , 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 Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Since arm64 does not use -pg in CC_FLAGS_FTRACE with DYNAMIC_FTRACE_WITH_REGS, skip running recordmcount by exporting CC_USING_PATCHABLE_FUNCTION_ENTRY. Signed-off-by: Sami Tolvanen --- arch/arm64/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index a0d94d063fa8..fc6c20a10291 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -115,6 +115,7 @@ endif 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 -- 2.27.0.212.ge8ba1cc988-goog