From nobody Mon Sep 15 13:04:46 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2693AC54EBD for ; Thu, 12 Jan 2023 09:14:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240118AbjALJNc (ORCPT ); Thu, 12 Jan 2023 04:13:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239822AbjALJLJ (ORCPT ); Thu, 12 Jan 2023 04:11:09 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C842642605 for ; Thu, 12 Jan 2023 01:06:55 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7E356B81DD7 for ; Thu, 12 Jan 2023 09:06:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47097C433D2; Thu, 12 Jan 2023 09:06:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673514413; bh=TPEEMc3HaWaP+Mt2KfPXle42oBuXI/4U/PIW+OSCPxY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LGou6CSsyBFI9CXvpokX7hLPkUAbBBGr+vvBqv9qzab6cLmHGKcMeC72ZlN72Au6G roB7MPUJJeCZ7Hm+JXwTzoh9yFqV85VTZkiI6yeMKS47HfXWYnvPBpt3REOJ7mUCqD blu4PuntvUh7mYqUBzf4viixWYj5CoHfh12pDSgvnVxPJwr/ztDN2lbEQvzbB7KXha 4yQgZIqbp34m+BMpDVILulJURT62vzsy4EQ9wy6lRx0khX9zoXnEEENaFxTcdbQy1S cULaeZTSZYk05qh830JIgo0FKyrKPiqYHOGWHBQlmHnwv6aKh1HE7vo8L+SeJpNh38 zlMOCz5PqLVYg== From: guoren@kernel.org To: anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, conor.dooley@microchip.com, heiko@sntech.de, rostedt@goodmis.org, mhiramat@kernel.org, jolsa@redhat.com, bp@suse.de, jpoimboe@kernel.org, suagrfillet@gmail.com, andy.chiu@sifive.com, e.shatokhin@yadro.com, guoren@kernel.org Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH -next V7 7/7] riscv : select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Date: Thu, 12 Jan 2023 04:06:03 -0500 Message-Id: <20230112090603.1295340-8-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230112090603.1295340-1-guoren@kernel.org> References: <20230112090603.1295340-1-guoren@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Song Shuai In RISC-V, -fpatchable-function-entry option is used to support dynamic ftrace in this commit afc76b8b8011 ("riscv: Using PATCHABLE_FUNCTION_ENTRY instead of MCOUNT"). So recordmcount don't have to be called to create the __mcount_loc section before the vmlinux linking. Here selects FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY to tell Makefile not to run recordmcount. Link: https://lore.kernel.org/linux-riscv/CAAYs2=3Dj3Eak9vU6xbAw0zPuoh00rh8= v5C2U3fePkokZFibWs2g@mail.gmail.com/T/#t Link: https://lore.kernel.org/linux-riscv/Y4jtfrJt+%2FQ5nMOz@spud/ Signed-off-by: Song Shuai Tested-by: Guo Ren Signed-off-by: Guo Ren --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index e944af44f681..a78d39780b76 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -54,6 +54,7 @@ config RISCV select COMMON_CLK select CPU_PM if CPU_IDLE select EDAC_SUPPORT + select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE select GENERIC_ARCH_TOPOLOGY select GENERIC_ATOMIC64 if !64BIT select GENERIC_CLOCKEVENTS_BROADCAST if SMP --=20 2.36.1