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 1C038347517; Wed, 8 Apr 2026 18:12:52 +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=1775671972; cv=none; b=IC9m7VR9X2j2LbSeuNel9XWOq9zNaYqFqGUsSwmE8EaCS/TTu5ahei4uEiWM6V0dAyBoMdCZl+IH3G9lW5mRX93hhonkS+tKqIf7TRkSdN6RcCbnGFoEhN7GCYPGrKR0Q7u0GSafCY7cUQP5fYLvvkNAhSExz1lBpP7175BAasU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775671972; c=relaxed/simple; bh=prQJhOYsxsRs7XcCksPt9GfR6G3F8ibrIOGNezed8Uk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DDMg+0Ma93KDwfbUN0oq1KAYGP8ioGWgMq5iAr6XWwlEX37M0q8poppISX/dNK4F9hQnYXHQoncXoxb6vB0b6uxWynqv1ZEe83YzHhbyGbUdgolgCsdDkrNY0RUAbZQxdPfVS1CQU3rKA5rvJPOEPb4OrIgRObvvsZwivVUmxz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RYoxmqI3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="RYoxmqI3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CEE3C19421; Wed, 8 Apr 2026 18:12:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1775671972; bh=prQJhOYsxsRs7XcCksPt9GfR6G3F8ibrIOGNezed8Uk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RYoxmqI3Rozn03eIjRi6If4JMpgjnxyExYbiFyF9dA5op697r9BKJOz5ogk5C+Dxk LSCrbn+u1WQTqww/IQVcSTRcdDaNoFU6ORypYVrP6ZC6grZrE9lqz6imdy603qkfbp N5Mw0g9JufNKFefK5PRpr1/SoG16Emf41NcK4HTE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dave Jiang , Vinicius Costa Gomes , Vinod Koul , Sasha Levin Subject: [PATCH 6.1 122/312] dmaengine: idxd: Fix not releasing workqueue on .release() Date: Wed, 8 Apr 2026 20:00:39 +0200 Message-ID: <20260408175938.324962243@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260408175933.715315542@linuxfoundation.org> References: <20260408175933.715315542@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vinicius Costa Gomes [ Upstream commit 3d33de353b1ff9023d5ec73b9becf80ea87af695 ] The workqueue associated with an DSA/IAA device is not released when the object is freed. Fixes: 47c16ac27d4c ("dmaengine: idxd: fix idxd conf_dev 'struct device' lifetime") Reviewed-by: Dave Jiang Signed-off-by: Vinicius Costa Gomes Link: https://patch.msgid.link/20260121-idxd-fix-flr-on-kernel-queues-v3-v3-7-7ed70658a9d1@intel.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/idxd/sysfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c index 0689464c4816a..ea222e1654ab9 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1663,6 +1663,7 @@ static void idxd_conf_device_release(struct device *dev) { struct idxd_device *idxd = confdev_to_idxd(dev); + destroy_workqueue(idxd->wq); kfree(idxd->groups); bitmap_free(idxd->wq_enable_map); kfree(idxd->wqs); -- 2.53.0