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 7B22A1E489; Tue, 8 Apr 2025 12:38:42 +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=1744115922; cv=none; b=Ihzberxx26AvTJR9CIdr/QdbfYeSRd0bGtqLEhNUQigX/KkU1Vsx0dkyXudb9/jTVlqGzGWg/N9Y+8xrFERAS/BJ7icHgv/ez4OhN/gLUeBleTUhq+cDpB2UVsXnljilwFKhMdoRId/YxWsY5f3UWxn6Sfp7StwWIfjBd4MzxGU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744115922; c=relaxed/simple; bh=w7Tph13PZEm5SOg1s9IaPMQjV66DQqLW4A/7Fs54wQE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eAeOWQ72xm4l4QGyBJ2tgCkGPp5A/0EQu5XpP1ya3pJx7HM/rNsGaf+W8RNw0kIKrl1SFqRIbIwnGUv7jFhpDtYt57L0WvBF1+gVeTlNFZ1oWVz6w4IvumsC7mwTZwiAvUdyyQrjDDDzur1kIREYYd2+9rEKLPc1lo1LoAr4ypU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=C002X7Qy; 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="C002X7Qy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DD2FEC4CEE5; Tue, 8 Apr 2025 12:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744115922; bh=w7Tph13PZEm5SOg1s9IaPMQjV66DQqLW4A/7Fs54wQE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C002X7QyUOG52fQ20yTVJ/NT8eM53Nw46OpvoChP+QQDPn+xUH54OZj+YGdzZ8p/D yf3RVjlPn5G+mjzCsrd+u6EWJKsOVOsHeLAJH5cZNtdyS3Z9S9b+CjK8Fww2pgfTVb KrYBPCE3RAyXSzDb4NvApazFpykn4PbAH7vdxeDo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nikita Shubin , Dave Jiang , Jon Mason , Sasha Levin Subject: [PATCH 6.1 153/204] ntb: intel: Fix using link status DBs Date: Tue, 8 Apr 2025 12:51:23 +0200 Message-ID: <20250408104824.796004963@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104820.266892317@linuxfoundation.org> References: <20250408104820.266892317@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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: Nikita Shubin [ Upstream commit 8144e9c8f30fb23bb736a5d24d5c9d46965563c4 ] Make sure we are not using DB's which were remapped for link status. Fixes: f6e51c354b60 ("ntb: intel: split out the gen3 code") Signed-off-by: Nikita Shubin Reviewed-by: Dave Jiang Signed-off-by: Jon Mason Signed-off-by: Sasha Levin --- drivers/ntb/hw/intel/ntb_hw_gen3.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/ntb/hw/intel/ntb_hw_gen3.c b/drivers/ntb/hw/intel/ntb_hw_gen3.c index ffcfc3e02c353..a5aa96a31f4a6 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen3.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen3.c @@ -215,6 +215,9 @@ static int gen3_init_ntb(struct intel_ntb_dev *ndev) } ndev->db_valid_mask = BIT_ULL(ndev->db_count) - 1; + /* Make sure we are not using DB's used for link status */ + if (ndev->hwerr_flags & NTB_HWERR_MSIX_VECTOR32_BAD) + ndev->db_valid_mask &= ~ndev->db_link_mask; ndev->reg->db_iowrite(ndev->db_valid_mask, ndev->self_mmio + -- 2.39.5