From patchwork Fri Jun 5 03:34:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chenxi Mao X-Patchwork-Id: 11588927 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D302292A for ; Fri, 5 Jun 2020 03:34:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B0B03207DA for ; Fri, 5 Jun 2020 03:34:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VjIpPRWG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B0B03207DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eswin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:MIME-Version:Message-Id:Date:Subject:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=UZ/9MU32j84dkDwAJ0kpI/1OK7iKb6ILv4tynni/7lc=; b=VjIpPRWGO8X2HG zliRzpo5XJUvhlNcCjRA9C+Eu973+oumUZ0c9XSG0xUzLCj6W1ElWLAWNbCx0i1SM3t5t+V0fxUfv yRh6/Q6wmuh3jFhwOTz4TvwABMQvT1Tk/A6W4nZT7H+hXx6drEVgkDJ4h+gCjNuXb3h3SefYDau6e AATnCIIXeNQlfLtQG2+pGvdIodE/v7mFFbleVUiQ80O3q2Z8mnxgZ2goO7hatfDpWzf7E+kz6qA+O WUf7YXLuKv1lfaoV/lOXLStM7o4pRrZJd5eugCS440xUnnygUsYuezcv7Nm1XgAKqCl0DEoBBUlz1 T6aw0FcmU1asMmYcZaTg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jh37m-0007hS-1d; Fri, 05 Jun 2020 03:34:30 +0000 Received: from out28-219.mail.aliyun.com ([115.124.28.219]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jh37i-0007eE-ER for linux-riscv@lists.infradead.org; Fri, 05 Jun 2020 03:34:28 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.4069149|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.0499898-0.00367699-0.946333; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03294; MF=maochenxi@eswin.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.HiN1LfG_1591328056; Received: from localhost.localdomain(mailfrom:maochenxi@eswin.com fp:SMTPD_---.HiN1LfG_1591328056) by smtp.aliyun-inc.com(10.194.98.253); Fri, 05 Jun 2020 11:34:21 +0800 From: Chenxi Mao To: paul.walmsley@sifive.com Subject: [PATCH 1/1] riscv: Select ARCH_SUPPORTS_ATOMIC_RMW by default Date: Fri, 5 Jun 2020 11:34:14 +0800 Message-Id: <20200605033414.10383-1-maochenxi@eswin.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200604_203426_639946_CC3AAAA0 X-CRM114-Status: UNSURE ( 4.66 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [115.124.28.219 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [115.124.28.219 listed in wl.mailspike.net] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: maochenxi@eswin.com, linux-riscv@lists.infradead.org, aou@eecs.berkeley.edu, palmer@dabbelt.com, linux-kernel@vger.kernel.org Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org Select ARCH_SUPPORTS_ATOMIC_RMW by default to enabel osqlocks. PS2: Add signed off info. Signed-off-by: Chenxi Mao --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a31e1a41913a..cbdc605d20d9 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -68,6 +68,7 @@ config RISCV select ARCH_HAS_GCOV_PROFILE_ALL select HAVE_COPY_THREAD_TLS select HAVE_ARCH_KASAN if MMU && 64BIT + select ARCH_SUPPORTS_ATOMIC_RMW config ARCH_MMAP_RND_BITS_MIN default 18 if 64BIT