From nobody Wed Apr 8 14:09:18 2026 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 6A283C38A2D for ; Wed, 26 Oct 2022 10:41:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233180AbiJZKlh (ORCPT ); Wed, 26 Oct 2022 06:41:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233326AbiJZKld (ORCPT ); Wed, 26 Oct 2022 06:41:33 -0400 Received: from smtpbgau1.qq.com (smtpbgau1.qq.com [54.206.16.166]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D8D6A033A for ; Wed, 26 Oct 2022 03:41:31 -0700 (PDT) X-QQ-mid: bizesmtp72t1666780860thlpjusd Received: from localhost.localdomain ( [101.6.93.82]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 26 Oct 2022 18:40:46 +0800 (CST) X-QQ-SSF: 0140000000000060B000000A0000000 X-QQ-FEAT: rGm7xzoh3hl3ya5sdSHuKGIIU47rr/fjDyiOLrmcLON1wIvSddcUSf+DDWDU6 NACAphMLViC2kF9KRr/8fPaM9cG+p9AoXQtAfI/yZNMEcQt5G3zgMiOtXUG3OblLtxq2+b2 bs6Aen9/b7YT8b1MIlWAHuIFvvTZFlQ+gOED3tByPWzVdNFEkBTjQA+9fVV5g2RZBfciQEp hdm8N7btrbiOzOzHqflybP6uY01MZjrMchRycFsc/a5GbTfz6n4uZcQK2lWT2IxfJUYEt4E M1n+M1rT5VlnH0yy/F1nwzBtxiGlHz5Jw6enyciIzBCbkp2EPvEEiOLMW6wshtOOFQ2QncE 0x/NKiFIAsEJQtTllmhLBFWQpzN6QHVIYoRm269ADO9ovCNFc0FKtx431pFRzmFk3t9PR0+ wgJjvPN4/e4= X-QQ-GoodBg: 1 From: Wen Yao To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, dennis@kernel.org, tj@kernel.org, cl@linux.com Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Wen Yao Subject: [PATCH 2/2] riscv:kconfig:select HAVE_CMPXCHG_LOCAL Date: Wed, 26 Oct 2022 18:40:15 +0800 Message-Id: <20221026104015.565468-3-haiwenyao@uniontech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221026104015.565468-1-haiwenyao@uniontech.com> References: <20221026104015.565468-1-haiwenyao@uniontech.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:uniontech.com:qybglogicsvr:qybglogicsvr2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" We implement an optimised this_cpu_cmpxchg API,so select HAVE_CMPXCHG_LOCA to open cmpxchg-local feature. Signed-off-by: Wen Yao --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 6b48a3ae9843..8e19df5a8227 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -88,6 +88,7 @@ config RISCV select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_VMAP_STACK if MMU && 64BIT select HAVE_ASM_MODVERSIONS + select HAVE_CMPXCHG_LOCAL select HAVE_CONTEXT_TRACKING_USER select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS if MMU --=20 2.25.1