From patchwork Thu Nov 30 12:15:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= X-Patchwork-Id: 13474293 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D460C45949 for ; Thu, 30 Nov 2023 12:15:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f9Q5rmh9" 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> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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