From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 80C6FC43611 for ; Wed, 31 Mar 2021 14:33:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60DD66101A for ; Wed, 31 Mar 2021 14:33:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236146AbhCaOc6 (ORCPT ); Wed, 31 Mar 2021 10:32:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:44146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236067AbhCaOck (ORCPT ); Wed, 31 Mar 2021 10:32:40 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 717C960FF1; Wed, 31 Mar 2021 14:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617201160; bh=O2KxmIPB+fHLZecH69jIXhtq++wb564lj/icyjeUAfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MuD7utNvxc71QnlLEo6eyoz8UG0sDZiPBtJt3hag6/s4X/dkfRLDhQ5OqJXJFt+j6 9qXx33FPUmx3G35TT6KpggWZk8CzgnRPRkmBuxb41XLDNB+DLsaZLfn7okWhGAP/fd XIcnJzsaYKQDC+07SeSrpysX9+39Fr229UOr1ud5VmRf3ZrA9MM7B1eQrw7Q9Xqnw1 QLPvIZ3ogIZFd7LK13OYk2vgisiZmroVX6LOouaaODc0ya16hQUPWrUf3ielzPGQMu g+xqdXQe1Wujk2SS7zfx9ORiUOU/DX/5BKyLBaTlndIEiV02In4jpH7PAyTKRovgEx KBwMY3BPTvyjg== From: guoren@kernel.org To: guoren@kernel.org Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, Guo Ren , Arnd Bergmann , "David S . Miller" , Rob Gardner Subject: [PATCH v6 7/9] sparc: qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 Date: Wed, 31 Mar 2021 14:30:38 +0000 Message-Id: <1617201040-83905-8-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617201040-83905-1-git-send-email-guoren@kernel.org> References: <1617201040-83905-1-git-send-email-guoren@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org From: Guo Ren We don't have native hw xchg16 instruction, so let qspinlock generic code to deal with it. Using the full-word atomic xchg instructions implement xchg16 has the semantic risk for atomic operations. This patch cancels the dependency of on qspinlock generic code on architecture's xchg16. Signed-off-by: Guo Ren Cc: Arnd Bergmann Cc: David S. Miller Cc: Rob Gardner --- arch/sparc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 164a5254c91c..1079fe3f058c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -91,6 +91,7 @@ config SPARC64 select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_USE_QUEUED_SPINLOCKS_XCHG32 select GENERIC_TIME_VSYSCALL select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_PTE_SPECIAL -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A352C433B4 for ; Wed, 31 Mar 2021 14:32:58 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 A975060FF2 for ; Wed, 31 Mar 2021 14:32:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A975060FF2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yIP+xowQk6qaNGJ119o/lnZyF69uMkOy3CNyX50g1sc=; b=AqDKbGWsqrRKAzRDBgzxzj5ecs XMSv7KemHnUmG1HIaRubBpzoPgh7Q1RZ9iuoGtuTZ9gaAdExXEPl5Aur4MgxyiPBVBuxm1iaUGEGD qqjdmCt9QaRh/JvkDdGopvKzSUzFVWWpbVtHuvkTqNzyP9bsfS7gje7LknE/Ah0erMRbRfnJuGlZI NAbUefQAzVbrkVch4c43JKNWWQGNBdNG4CFZM8capnxwoXIpbRXaejMjmnxuKCDdDsGEJT63wxX+x 7X9sijRxLOpgAWJIgXoMAbOHeY0D/QAiVH780cqETjLrNekTer1igkE8dVeN5uQjRW6j6AUd3PkNU 1VqcKC5Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lRbtl-006oZr-Pk; Wed, 31 Mar 2021 14:32:45 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lRbth-006oYQ-Ex for linux-riscv@lists.infradead.org; Wed, 31 Mar 2021 14:32:43 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 717C960FF1; Wed, 31 Mar 2021 14:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617201160; bh=O2KxmIPB+fHLZecH69jIXhtq++wb564lj/icyjeUAfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MuD7utNvxc71QnlLEo6eyoz8UG0sDZiPBtJt3hag6/s4X/dkfRLDhQ5OqJXJFt+j6 9qXx33FPUmx3G35TT6KpggWZk8CzgnRPRkmBuxb41XLDNB+DLsaZLfn7okWhGAP/fd XIcnJzsaYKQDC+07SeSrpysX9+39Fr229UOr1ud5VmRf3ZrA9MM7B1eQrw7Q9Xqnw1 QLPvIZ3ogIZFd7LK13OYk2vgisiZmroVX6LOouaaODc0ya16hQUPWrUf3ielzPGQMu g+xqdXQe1Wujk2SS7zfx9ORiUOU/DX/5BKyLBaTlndIEiV02In4jpH7PAyTKRovgEx KBwMY3BPTvyjg== From: guoren@kernel.org To: guoren@kernel.org Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, Guo Ren , Arnd Bergmann , "David S . Miller" , Rob Gardner Subject: [PATCH v6 7/9] sparc: qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 Date: Wed, 31 Mar 2021 14:30:38 +0000 Message-Id: <1617201040-83905-8-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617201040-83905-1-git-send-email-guoren@kernel.org> References: <1617201040-83905-1-git-send-email-guoren@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210331_153241_722061_B3FC7048 X-CRM114-Status: UNSURE ( 7.58 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Guo Ren We don't have native hw xchg16 instruction, so let qspinlock generic code to deal with it. Using the full-word atomic xchg instructions implement xchg16 has the semantic risk for atomic operations. This patch cancels the dependency of on qspinlock generic code on architecture's xchg16. Signed-off-by: Guo Ren Cc: Arnd Bergmann Cc: David S. Miller Cc: Rob Gardner --- arch/sparc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 164a5254c91c..1079fe3f058c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -91,6 +91,7 @@ config SPARC64 select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_USE_QUEUED_SPINLOCKS_XCHG32 select GENERIC_TIME_VSYSCALL select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_PTE_SPECIAL -- 2.17.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 From: guoren@kernel.org Date: Wed, 31 Mar 2021 14:30:38 +0000 Subject: [OpenRISC] [PATCH v6 7/9] sparc: qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 In-Reply-To: <1617201040-83905-1-git-send-email-guoren@kernel.org> References: <1617201040-83905-1-git-send-email-guoren@kernel.org> Message-ID: <1617201040-83905-8-git-send-email-guoren@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org From: Guo Ren We don't have native hw xchg16 instruction, so let qspinlock generic code to deal with it. Using the full-word atomic xchg instructions implement xchg16 has the semantic risk for atomic operations. This patch cancels the dependency of on qspinlock generic code on architecture's xchg16. Signed-off-by: Guo Ren Cc: Arnd Bergmann Cc: David S. Miller Cc: Rob Gardner --- arch/sparc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 164a5254c91c..1079fe3f058c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -91,6 +91,7 @@ config SPARC64 select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_USE_QUEUED_SPINLOCKS_XCHG32 select GENERIC_TIME_VSYSCALL select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_PTE_SPECIAL -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85EF1C433ED for ; Wed, 31 Mar 2021 14:34:58 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 1DCFA601FE for ; Wed, 31 Mar 2021 14:34:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1DCFA601FE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4F9TNw5H8Nz3dbx for ; Thu, 1 Apr 2021 01:34:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=MuD7utNv; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=guoren@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=MuD7utNv; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4F9TLK4dMSz3bq7 for ; Thu, 1 Apr 2021 01:32:41 +1100 (AEDT) Received: by mail.kernel.org (Postfix) with ESMTPSA id 717C960FF1; Wed, 31 Mar 2021 14:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617201160; bh=O2KxmIPB+fHLZecH69jIXhtq++wb564lj/icyjeUAfo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MuD7utNvxc71QnlLEo6eyoz8UG0sDZiPBtJt3hag6/s4X/dkfRLDhQ5OqJXJFt+j6 9qXx33FPUmx3G35TT6KpggWZk8CzgnRPRkmBuxb41XLDNB+DLsaZLfn7okWhGAP/fd XIcnJzsaYKQDC+07SeSrpysX9+39Fr229UOr1ud5VmRf3ZrA9MM7B1eQrw7Q9Xqnw1 QLPvIZ3ogIZFd7LK13OYk2vgisiZmroVX6LOouaaODc0ya16hQUPWrUf3ielzPGQMu g+xqdXQe1Wujk2SS7zfx9ORiUOU/DX/5BKyLBaTlndIEiV02In4jpH7PAyTKRovgEx KBwMY3BPTvyjg== From: guoren@kernel.org To: guoren@kernel.org Subject: [PATCH v6 7/9] sparc: qspinlock: Add ARCH_USE_QUEUED_SPINLOCKS_XCHG32 Date: Wed, 31 Mar 2021 14:30:38 +0000 Message-Id: <1617201040-83905-8-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1617201040-83905-1-git-send-email-guoren@kernel.org> References: <1617201040-83905-1-git-send-email-guoren@kernel.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-xtensa@linux-xtensa.org, Guo Ren , Arnd Bergmann , Rob Gardner , linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, "David S . Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Guo Ren We don't have native hw xchg16 instruction, so let qspinlock generic code to deal with it. Using the full-word atomic xchg instructions implement xchg16 has the semantic risk for atomic operations. This patch cancels the dependency of on qspinlock generic code on architecture's xchg16. Signed-off-by: Guo Ren Cc: Arnd Bergmann Cc: David S. Miller Cc: Rob Gardner --- arch/sparc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 164a5254c91c..1079fe3f058c 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -91,6 +91,7 @@ config SPARC64 select HAVE_REGS_AND_STACK_ACCESS_API select ARCH_USE_QUEUED_RWLOCKS select ARCH_USE_QUEUED_SPINLOCKS + select ARCH_USE_QUEUED_SPINLOCKS_XCHG32 select GENERIC_TIME_VSYSCALL select ARCH_CLOCKSOURCE_DATA select ARCH_HAS_PTE_SPECIAL -- 2.17.1