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 4A9FA402BA9; Tue, 31 Mar 2026 16:30:31 +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=1774974631; cv=none; b=JQfC3phOMlyj6Nhd/t67a6K/5tPt76xpIL/3DQ7Mp0KJUdoll3KC+gAOCdaajQlqIX6ycy/de/WOuhuQ+0BOwjZv83fhxkuw4F/qvcqixH098Ozpdce9WPd6tz8hBbwe8kQEHl8gxiFeDXKh+aD8uY73FbCNbKtThzL66x8vQ/k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774974631; c=relaxed/simple; bh=mqA4Pt5QFXtbNpgs4UQNk4dHz3NHpa4eOIx8mVMGZd4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R+Yqy6kR+p4sSN3Dc7cLtDPOXuJUEnBTifycDRAtpkGBwPQ/SwbyR/572haFjESZHXDCUR0q70QumcI9mAiCLzBy9FtVToltAKTRXdu5mqSjgtOPK6J3fTf3iF7I+qfRMIrC2Ppyf5ip0CGYDNOHwfqYwIEFDJORzqVUk1XggMg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=1WBXvjD3; 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="1WBXvjD3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 89D91C19423; Tue, 31 Mar 2026 16:30:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1774974630; bh=mqA4Pt5QFXtbNpgs4UQNk4dHz3NHpa4eOIx8mVMGZd4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1WBXvjD36QbB41du7MIY4Q5FruI8+9LRaToc+OA1fsczfB03uCMjO7TWUFD3Q2Ewa kU1pCduwguav28NLkxttk9dcURQKbkrdwjuqWZD6pJNi6bsgSOBg0JFKT/S1jN0kIs Kzw2LfZY1KBRQTaZ+CIT54JyVRcLCcow3LcDaFvM= 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 6.6 160/175] dmaengine: idxd: Fix not releasing workqueue on .release() Date: Tue, 31 Mar 2026 18:22:24 +0200 Message-ID: <20260331161735.676566160@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260331161729.779738837@linuxfoundation.org> References: <20260331161729.779738837@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 6.6-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 3a5ce477a81ad..7971db45709f8 100644 --- a/drivers/dma/idxd/sysfs.c +++ b/drivers/dma/idxd/sysfs.c @@ -1810,6 +1810,7 @@ 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