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 A43F02676FA; Tue, 8 Apr 2025 12:25:34 +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=1744115134; cv=none; b=h3LgG7CH43S/xauLa5cJ2WZWNONC5yZKi8gxs81kgGKNRYsB7eCk+uqQQEVdVtuIIKCccDS5Zd3Kf7qQbu9oNGwTT3GZPqRmE3vSAJfWYrxXkhGiG4bHNT2T1YrfoLE+dq4Nfsq1762vZUvrFbmXt+WezCJe+ezPdSU+4EIJuC4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744115134; c=relaxed/simple; bh=/GTc78TfoPry8OZHYL7SDWpcEQocDQSPwzZyK1MKd4E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=c1YcAj8NOeWzlfvlHu5oJF0z309PQ4fUATD8ltGbfoRDC55iiaTjjG6GSUAtBauUfM5va3vR4+XMiBi+ZhNrXGpJ0ALk9YRUL4y4VJF1/DUWNEytck4yBmnwB1eWPltjEnLE2Pl4xwSFz7cw1B1JtK9I4Y4H2dXXJ97ZCXRu+zw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=iOKSBXZ4; 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="iOKSBXZ4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30C02C4CEE7; Tue, 8 Apr 2025 12:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744115134; bh=/GTc78TfoPry8OZHYL7SDWpcEQocDQSPwzZyK1MKd4E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iOKSBXZ409o4AQg/2A9kHFpS7mq1+odVOG+LPQp2Ix3/gRtCiy7SI7XUvpoZ/+ptG GKoJ7EYhhzuFM8TcYbLlmN0cownprCglIXMTZjGde5Rg0EVBjjAs7RzuoTY3hb25WB Q9f7hFiOXEApbhRbKWrsiJ2S2OZ3d3g3+smngo+k= 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 6.13 362/499] ntb: intel: Fix using link status DBs Date: Tue, 8 Apr 2025 12:49:34 +0200 Message-ID: <20250408104900.258275344@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104851.256868745@linuxfoundation.org> References: <20250408104851.256868745@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 6.13-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