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 7D63145DF56 for ; Tue, 28 Jul 2026 16:10:22 +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=1785255023; cv=none; b=gXzDrZBlZyOQA5c2AKCsg4lEVWPyoleezDEdIAdbvIM+YOebFu7HMTr+nzzCR4s/m974Vd+SThOAAAAGR0woHAuy8hkqJBwjUF2/AUX0ngDuUjfB857gKq8ieVSyHf9CV9QjSPvNuMEevYEafR3AfOPf4u4whusNxhPMpaNDRDI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785255023; c=relaxed/simple; bh=qJ7uLrnazyBsTWNwTY1WNEDAlkaGNWcH3wUlNJU4QhE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S6kqEM0u984NyrpoZOUoFqDx+jZ1Flu1fXULVgxcN0Tfra9aQEy0I/bFtzeKuEEQlf09vOxLD07cRnZAFkxGdJ4ieUg4D5UEoRVCAUA9KjGHrV71AnCBGw2wtg2AGl7ZZlae6EDEUGUl/FcLs5mJ4WbxhmQLPCfecUDHSpoc1z4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ligb4QR1; 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="ligb4QR1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87D691F00A3A; Tue, 28 Jul 2026 16:10:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785255022; bh=r/FUKGwjPWDuURr6yFwtXFBAf3yCDBXC+vOlNExgprk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=ligb4QR1x7GzCpDYGeOzN+KXT+3qsUpoMMa/gqsYIFPI1YcwUKrx7e+gGCX8oDTfF 95iVsKOnxeEt7qh9dIYLrHH+M1AbPAu3MzLRTn0uv9aUz0jThTOzzknUXijljiEsxo ZVhEOYUGYLES1SahkeCNSQ2EHxG7iiJcH6VNFVh25DhT/TQtPmLbzsdDsDkG4nd6PP r8k+JykdNbA5Xkke6wQ6Ko2N8bbX+erpXo9zAeZnuU+hjkMuPUxg09l+n1a9oAFhRX T0WkWPrmRGqmtQ2cpo9Wkvdh4juJ3Ox94nQFDnVIhzy+gHpjqDDZqn/YM+Z5QaehAP MSdsjDMW+5IYA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Xincheng Zhang , stable@kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 6.12.y] usb: xhci-pci: Limit VIA VL805 DMA addressing to 36 bits Date: Tue, 28 Jul 2026 12:10:03 -0400 Message-ID: <20260728155654.stable-0009@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260728054210.1814218-1-zhangxincheng@ultrarisc.com> References: <20260728054210.1814218-1-zhangxincheng@ultrarisc.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > The VIA VL805/806 xHCI controller advertises AC64, but fails to handle > DMA addresses at or above 0x1000000000. On systems with large amounts of > RAM, this can cause USB device failures when the controller is given DMA > addresses beyond its usable address width. Queued for 6.12, thanks. -- Thanks, Sasha