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 9984445D5FC for ; Tue, 28 Jul 2026 16:10:21 +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=1785255022; cv=none; b=t/Id44RFGnbyXhVyqYZaXaMRCywXu0inkr/UPVbjmI2KcUE6OUp93/CXm04fwfYlSOdyme07q8NNhojW+85bKGMagkz/W5JvaSg50aHkdF5jPLDcy4wS+O6weNQ7XK34cD/5eCkI5k92LpO3CYEQrKlhXXx1R3gRrUPnQxqrdsI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785255022; c=relaxed/simple; bh=GMZOr5l24+0mkLS+M3tFwI+2m+Hp/DmOkYIx9whlKUo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sHetjezDha5SXT7t32iUWdb1aZvuAo7/rdoDatV5Fn+YuqF9+oiQVUQziRjVI/9NYiK3dAqcxRedDpY9+qYcI3iPTNj8CB5fjE3aJM0KTv1JKFLF8EeLE/MCzXHHxxq62snrYY3JxqlksnwEQo871p1YJwjCGf4+4V6Bpc5rtTw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lPYtUJsV; 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="lPYtUJsV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B1F61F00A3D; Tue, 28 Jul 2026 16:10:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785255021; bh=iIwMj/Xbn8s9IaReRM5/xxOf4nTQUArlXYwhdkrEONQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lPYtUJsVWkoVPrwwQNyblHRPbbVurq5oTRWBjUHy6q1SLj9eh+Xkk7T6meYGZvtv7 IdGOy/OycFXvYVaPN57FizIDMtBB4SdnxGDwb4NObIEbGWQiNcQdDm4A5sKud9EsBN 4di0eH6HBywr5ReZU5SwwP8+4dElgRPLx1u3eH6bleZ0j/DAkfCsawhGEEoLJ1zut9 CA/Sd3SSEkeHiie5eHnimk085cnOZLrTVCec6bSD/BlBgenHUfRWBkYeBy2b6HXt+s ohmmuLLtVC8ykz1HdBZvXmj7sflxuJbaSg0X/0XzCfhprwL+q/Lcsbe8fgh9mxrleI Ta11Gb2GUAguA== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , Xincheng Zhang , stable@kernel.org, Greg Kroah-Hartman Subject: Re: [PATCH 6.18.y] usb: xhci-pci: Limit VIA VL805 DMA addressing to 36 bits Date: Tue, 28 Jul 2026 12:10:02 -0400 Message-ID: <20260728155654.stable-0008@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260728054341.1816656-1-zhangxincheng@ultrarisc.com> References: <20260728054341.1816656-1-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 6.18, thanks. -- Thanks, Sasha