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 4E5731311AC; Tue, 8 Apr 2025 11:02:57 +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=1744110177; cv=none; b=osGnELk7tEKMOUIsmt4QDFBwC63coo4Z9RQFozPyrn/ViEuHeOSF+OY6bV7If3LlGIu1iLymfgImfsOgtSFb7p/ZnjnvZie5pck6zxhGmbFKPV70TQb00JIxkUW4OvoVjJtUj9wqnOn9IRggMn2yOZtDxaS+4Lf//wTFBZrkkIs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744110177; c=relaxed/simple; bh=ZEBQLC6mOmhvsnfHm3rAJMYy+iO5XSiF/nyDnT2Cc5o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LmCNcrtYmsovxg9vc894jBkrKiXL4r/hMUUMydn5Sby0eHRPV4eumc9vZrg71LCCxzUPXW5HyZhVo1nD9d2vNGO4YEwPz/rIGugJMyutv06qrGmebvuczfsETn59WwrP782hCQ2POu1SIUPtxpvdx7OmMlaFp9tG80AzSsTR7YU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=oXBJjuBR; 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="oXBJjuBR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D10A5C4CEE5; Tue, 8 Apr 2025 11:02:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1744110177; bh=ZEBQLC6mOmhvsnfHm3rAJMYy+iO5XSiF/nyDnT2Cc5o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oXBJjuBRa8sUFEI7CNk0Hl8O7X91C0lHiWR7WTWrsjoAhIKZU4F2utgiN/+kBlPbb f2tiZkeCi1x1K6giSm9/jVRrV/s/k0SHakQhCd8LxKOqFlnNH3zz9d3s1pZwaa5uUV oaCF+UxinOWSXL4XFM2ATREuOM+ddPIBkgzxF2vU= 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 5.10 196/227] ntb: intel: Fix using link status DBs Date: Tue, 8 Apr 2025 12:49:34 +0200 Message-ID: <20250408104826.178950931@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250408104820.353768086@linuxfoundation.org> References: <20250408104820.353768086@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 5.10-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