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 063D03859DC; Thu, 30 Apr 2026 03:26:29 +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=1777519589; cv=none; b=ivxwwpvd2/zRUPieyk1OSbT4taP5uney5O4jULUicMSkTVHmtTC/CBjcAgB9aQSi+M9vhZ8I2Vy/g73o91e+tCAhb591FPdv2zIo36l7Vn79F3Ram3OLNJBB+v2c6pot/0hKxClN+i9HQtA/pN4VS4dMJ5PfTDHtlsZpm4FWYZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777519589; c=relaxed/simple; bh=t/IhH9m/iV8mWPsnbwCfk+wQ8phUXP0iVCLm62nekgM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=TLEZz/1VzKt1+Sc5V/vtizm5QMscadO4Gm+JhizxzQD4pCD5ALf67hbp6BwvNmOGKPK0/+AmjiACZ7MtHXQVwSAXnzYZsXJRaavYzqBLR5BjKWKIKgqp1CablsEDi1lSapNoeirOj5pLMD2J3FMjvU8UQEgj14XRvghxR8kBbJU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KpF3Vgb8; 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="KpF3Vgb8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA9CEC4AF11; Thu, 30 Apr 2026 03:26:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777519588; bh=t/IhH9m/iV8mWPsnbwCfk+wQ8phUXP0iVCLm62nekgM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=KpF3Vgb8vClh3eVGUOLiEjg5YMhw6Q62COWRP36faO3hhCtc6NL+f/PKVtFHprcLv +cy86/Sqm+qovVDQKy0RxIUS4hmrvsJlf1Hwn9KqImRWfoBXpfJRNc9m3EcesmTi7r oAIn3Rg87L/NP0ystyKJ2D18TfuHJ1Jc9La/42Kmkh05HlLK68BmZAAnBivRVHSFNH JWcL4kYgvkiaBjvZCC7u3eBvwNfsbdiF7UPxJ+QBwz1mTSMR9/TuVHrJUmHW0TkPdZ gAIwDMShph//h237cohxTI0tz5h+67//4L7R2sp3pIO5GZcx8bo7z8hqud0yp6dL1b 68f67mE865+SQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3FCE53809A07; Thu, 30 Apr 2026 03:25:45 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] iommu/riscv: Stop polling when CQCSR reports an error From: patchwork-bot+linux-riscv@kernel.org Message-Id: <177751954379.2274119.3865098518773080299.git-patchwork-notify@kernel.org> Date: Thu, 30 Apr 2026 03:25:43 +0000 References: <20260227112640.20197-1-fangyu.yu@linux.alibaba.com> In-Reply-To: <20260227112640.20197-1-fangyu.yu@linux.alibaba.com> To: yu fangyu Cc: linux-riscv@lists.infradead.org, tjeznach@rivosinc.com, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, andrew.jones@oss.qualcomm.com, baolu.lu@linux.intel.com, zong.li@sifive.com, guoren@kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Hello: This patch was applied to riscv/linux.git (fixes) by Joerg Roedel : On Fri, 27 Feb 2026 19:26:40 +0800 you wrote: > From: Fangyu Yu > > The cmdq wait loop busy-polls the consumer index until it advances > or the software timeout expires. If the IOMMU has already signaled > a command queue failure in CQCSR, continuing to poll for progress is > pointless. > > [...] Here is the summary with links: - iommu/riscv: Stop polling when CQCSR reports an error https://git.kernel.org/riscv/c/b2e5684558ed You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html