From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 AF540443C3E; Fri, 11 Sep 2026 11:21:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789125696; cv=none; b=bg0FyObH6mTN3ULorXFutMrRqlUuj6vjEaAQancc3nMu0l3dyaxHpy4Fv8NQ4BisbQ1FOpZVRTocdjZ0PIDNnKCVOZA9vvYOGZgRIJkVreXeMW4zIoV27mB6V4ukl2/tAkzguNVxCkrDqDofwFMUyPssNf/UoAm4buDC8qp0I9k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789125696; c=relaxed/simple; bh=Mu2UQW2MtfDaZ72L0x8Y/YixeO0Wbttc/bXs10fJozE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rIeLWgmahotiCHy7ychvZHjrJzzu6JM+nprL3fQ4TVUcHgt+WGvY3wtThzySgVxKtt6lUHf7enFRQa/15UmPRWOSTc7HZSHmfMnB1vpIl8whHWc9Hv6SoYo5QofnSC8jfP3HFAmDxqb/D8mZOfwMyxT74KbklFRc+2noZi0Z7TA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Pr6w7z9j; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Pr6w7z9j" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 701881F008A0; Fri, 11 Sep 2026 11:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789125687; bh=LC+/Oasy3YzxrJ+xcR6YHpRRPYhekqR2drvQ0c+ugYQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Pr6w7z9jOHBtcBu90TmuUd+SNELbLx52X8SgihZxsdWTcx/Yf/cpGaK7u88rhwOXr JDi8auGQ5AkB1XyjA3Os5QmtVwZ6+HZnHmS/XfV7Ef2H2jU/mI61GuAx8jfqD/IItu EO3hzoaPtGNKrm7FnYdmMvXC9wTh8+xCM14qVpChGC1JUiNgoULAPMT2B7qFL+gMPb 6OlvBAglX9dO/QPFxzm/sMVr5aQKRQ1/RFXCmrCn7VNpAPXGK/pQJjopELA1TIalxF 8HbpEiOhjmnH3E4v8jwLx9xmbBmx7M0c+ZJ2NyoUW+df8sqPZhrViM5FRXmmY4nz6D GqsSBXRwNMuXw== From: Sasha Levin To: jgg@nvidia.com Cc: Sasha Levin , will@kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, stable@vger.kernel.org, linux-kernel@vger.kernel.org, nicolinc@nvidia.com, skolothumtho@nvidia.com, Wentao Guan Subject: Re: [PATCH 7.2.y] iommu/arm-smmu-v3: Disable implementations during devm teardown Date: Fri, 11 Sep 2026 07:20:48 -0400 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260910065429.1703706-1-guanwentao@uniontech.com> References: <20260910065429.1703706-1-guanwentao@uniontech.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > The Tegra241 CMDQV teardown fix moved VINTF hardware deinitialization > into the implementation device_disable() callback. However, its > stable backport preceded the conversion to devm teardown and could > only invoke the callback from the shutdown path. This is a stable-only change for 7.2.y with no upstream commit to point at. Since it has no Reviewed-by or Acked-by from an arm-smmu-v3 or tegra241-cmdqv maintainer, we need that before queuing a stable-only fix. Could you get a maintainer ack for this? -- Thanks, Sasha