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 1EA533DB625 for ; Tue, 28 Jul 2026 16:10:24 +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=1785255025; cv=none; b=l1eZBbQOhB60StZpLSEToP/RZ6l5wDb4UG1kBcDmqFwzhaUWAMiQEHbCbR6GGFGI/CegbutvX56JV+5DTN9qByJeUVLwCXsljcXBqmGUg89C4y14B0+yilS+kQZkhWmSBy7Ezk8MEnF3+CfNZVBV641ptITnsc+mUltBTvYLqag= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785255025; c=relaxed/simple; bh=WrRPa0C8+pVJy+7/w5vO/i/BfyCpzwbdKeUemHcn+Ac=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RlBKojMmrq0IGoYUho1M+0tIaHx/uBNZEa/ww+RtjNPT0eQ2TGedhmVzZ0ONYQAo4xVZb4x4V27ywVnYcKD21wXseaY3WM4PyPH7MkaonVGIBRnX7Sid3Z+ZHSqWuIkb0iOVvMI4jMaYhAYRn/pPr3RApL163wNMGOJKGGUXJDo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L1d7t2dd; 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="L1d7t2dd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DB5E1F00A3D; Tue, 28 Jul 2026 16:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785255024; bh=+0QmtG/VgrwedcW4POdgqrp7AnlOBX8bPubftYiE2K8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=L1d7t2ddY1gQKZBGDCgeDLQPh/OYEbJ4kw/x/+hl9A2NJPmD3+p7F35Q+bSyYLBL9 vUEVWMu+s4D60hYkrC3FEikc9xAWV7caoJY9u8rTlfiCj46r2V33LIy0INGsdH7fVt HZdyV1sZiZd/YFyzR407ELxVrmTFK7hz52kJEdUophegRggdDznBxIA4B10fBXh7Ar uk6f5tKw4jSDfSVxr2j6B7lVcV3uCddXi4UfX4zV5WSsQjLJ7/IuaVRsvhKecgw8UR hP3WxlRUkkzVAphrRELUp9uzALSY42Yl7oM5SCAE8/cPoLwpiE0ofWF2fRb2Jwxwt9 Wap/n1DgRWdkg== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Xincheng Zhang , stable@kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 6.1.y] usb: xhci-pci: Limit VIA VL805 DMA addressing to 36 bits Date: Tue, 28 Jul 2026 12:10:05 -0400 Message-ID: <20260728155654.stable-0011@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260728030116.1607312-1-zhangxincheng@ultrarisc.com> References: <20260728030116.1607312-1-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 6.1, thanks. -- Thanks, Sasha