From mboxrd@z Thu Jan 1 00:00:00 1970 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 1D50E13AD33 for ; Sun, 14 Jul 2024 20:30:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720989034; cv=none; b=ftYM8LddPfB862zDUJ7mESukURYZUk+UfzBadORXva7lcYsXbvdJ9PWpATnNHD1IGCDdOxnosfr9cjDlM7Au0Ewx9wAuP1i3gz9u3J2guHuEEelfGzHn6F06fQyRjzk483pAt9JD7nSiWcwwa5PXFQtfMsCHpGCnaFdErbfujEY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720989034; c=relaxed/simple; bh=7Led/oHRXD3s7j73IFMTG9wReZsOlmEHlJdPHk/opJg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=f2DQN6UqLQTzeAoJ8JV22cRd5It/vb4LcTkeFk+dQpk4nWPcbIT+GsihmgNTWAgkJRzefxqSD2GbgENbcTNDXwluSN2xgPPs+RkeQ9c4l0+S3aHKObtZZe8HPMExkOVZkEeuQuJwq0brrhuQwrDg/AzNnCamJk9nsGdyk+Y66zQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W9eqaL9p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W9eqaL9p" Received: by smtp.kernel.org (Postfix) with ESMTPS id ABCA4C4AF0D; Sun, 14 Jul 2024 20:30:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720989033; bh=7Led/oHRXD3s7j73IFMTG9wReZsOlmEHlJdPHk/opJg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=W9eqaL9pvfM77uEhVwmfz8T6x6kZc1JGseTizsphX3p+MjLtBtEq/RUE9qR4INtym a7w1KdCnav6UBnBlcYVp7k5xqVEGxujhn0PSOJGZJV4Iv8P6Wm3MqxfBPtrTKfdgyH Ha1H9YPgKpguqGpzP2sE8gCplRiHFfZaPhQvtLvhOls0sCBpzBiS3edj7LeULEXdOV px/V35jeZxqiKLOIlcTSBZ5CLyJG673gzdngpd9QTMiO2BIXJ7I2x2gVPyaudLqNgL lc4/yo6NvUSMi2hOIoAUKtCFXdb26Tp0fQ1eL2n48jpFu7DYDJcVZC7ehJe6u4joT5 mONmPoCn53N3Q== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 999F4C43153; Sun, 14 Jul 2024 20:30:33 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3 0/6] riscv: Apply Zawrs when available From: patchwork-bot+linux-riscv@kernel.org Message-Id: <172098903362.7439.8760600001594796975.git-patchwork-notify@kernel.org> Date: Sun, 14 Jul 2024 20:30:33 +0000 References: <20240426100820.14762-8-ajones@ventanamicro.com> In-Reply-To: <20240426100820.14762-8-ajones@ventanamicro.com> To: Andrew Jones Cc: linux-riscv@lists.infradead.org, kvm-riscv@lists.infradead.org, devicetree@vger.kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, conor.dooley@microchip.com, anup@brainfault.org, atishp@atishpatra.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, christoph.muellner@vrull.eu, heiko@sntech.de, charlie@rivosinc.com, David.Laight@ACULAB.COM, parri.andrea@gmail.com, luxu.kernel@bytedance.com Hello: This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Fri, 26 Apr 2024 12:08:20 +0200 you wrote: > Zawrs provides two instructions (wrs.nto and wrs.sto), where both are > meant to allow the hart to enter a low-power state while waiting on a > store to a memory location. The instructions also both wait an > implementation-defined "short" duration (unless the implementation > terminates the stall for another reason). The difference is that while > wrs.sto will terminate when the duration elapses, wrs.nto, depending on > configuration, will either just keep waiting or an ILL exception will be > raised. Linux will use wrs.nto, so if platforms have an implementation > which falls in the "just keep waiting" category (which is not expected), > then it should _not_ advertise Zawrs in the hardware description. > > [...] Here is the summary with links: - [v3,1/6] riscv: Provide a definition for 'pause' https://git.kernel.org/riscv/c/6da111574baf - [v3,2/6] dt-bindings: riscv: Add Zawrs ISA extension description https://git.kernel.org/riscv/c/6d5852811600 - [v3,3/6] riscv: Add Zawrs support for spinlocks https://git.kernel.org/riscv/c/b8ddb0df30f9 - [v3,4/6] riscv: hwprobe: export Zawrs ISA extension https://git.kernel.org/riscv/c/244c18fbf64a - [v3,5/6] KVM: riscv: Support guest wrs.nto https://git.kernel.org/riscv/c/86d6a86e59e3 - [v3,6/6] KVM: riscv: selftests: Add Zawrs extension to get-reg-list test https://git.kernel.org/riscv/c/f2c43c61160e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html