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[23.128.96.33]) by mx.google.com with ESMTPS id x2-20020a1709029a4200b001cc45fcb81fsi1067193plv.334.2023.11.30.04.16.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 30 Nov 2023 04:16:20 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=f9Q5rmh9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id F2C3080A9ABD; Thu, 30 Nov 2023 04:15:59 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231873AbjK3MPt (ORCPT + 99 others); Thu, 30 Nov 2023 07:15:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231974AbjK3MPm (ORCPT ); Thu, 30 Nov 2023 07:15:42 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 069F2D4A for ; Thu, 30 Nov 2023 04:15:48 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 124E7C433C9; Thu, 30 Nov 2023 12:15:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701346547; bh=HmEvOH8Vmsy9AJOG2aGCmYoPEIzruRbAiBD2YtmkRA0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f9Q5rmh9aU+KSwsXTUbDjhEslkwGTLJuD4YuvMKZRNk1vid8BLmrfcxYmm5rGC3Sv 3AeVL2U4xQD8iGEf5sdIVwqG8VKvcfyZToF3GOVR1N4xhpz29fHpZm5WjQkfPxU/oa NCIH9i21TD6fDUvf90zs0Vqn3/6daJEmcrRSwFQ8oI+U15yf5TPwVfQ+GFsAvZ5xB9 98WoVjgKVInr3rBkHlBzIN1C3133mWV+BOx8BiXkxuU6OA5K0fL28TAZGaO+4cntvL IzXdGCWDKjhi25Jgr7pupYTgq9xbvkppQ6jSgaejO4vPumm4hCoJIer45JZzZLvtKq q6hQGZqNk3T1Q== From: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= To: Steven Rostedt , Masami Hiramatsu , Mark Rutland , Paul Walmsley , Palmer Dabbelt , Albert Ou , Song Shuai , Guo Ren , linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, songshuaishuai@tinylab.org, =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= Subject: [PATCH v12 for-next 1/4] riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY Date: Thu, 30 Nov 2023 13:15:28 +0100 Message-Id: <20231130121531.1178502-2-bjorn@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231130121531.1178502-1-bjorn@kernel.org> References: <20231130121531.1178502-1-bjorn@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Thu, 30 Nov 2023 04:16:00 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783991191644746618 X-GMAIL-MSGID: 1783991191644746618 From: Song Shuai In commit afc76b8b8011 ("riscv: Using PATCHABLE_FUNCTION_ENTRY instead of MCOUNT") RISC-V added support for -fpatchable-function-entry, which removes the need for recordmcount. Select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY to tell the build system not to run recordmcount. Link: https://lore.kernel.org/linux-riscv/CAAYs2=j3Eak9vU6xbAw0zPuoh00rh8v5C2U3fePkokZFibWs2g@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 Acked-by: Björn Töpel --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 95a2a06acc6a..69c95e42be9f 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -68,6 +68,7 @@ config RISCV select CPU_PM if CPU_IDLE || HIBERNATION select EDAC_SUPPORT select FRAME_POINTER if PERF_EVENTS || (FUNCTION_TRACER && !DYNAMIC_FTRACE) + 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