From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 7FCDA2EAB72 for ; Thu, 8 Jan 2026 17:56:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767895011; cv=none; b=eUi9A19QcvBdxA6fxqNi/cpLDDVjDNjlxkGNS/AtA2HOXfa0KkqLp0iffyIQz0yR0ESTbnMF/AvOkg0cEa8x2FVr5ATma2q3MTdMk454u70OWBkSm7ovvKDO700NEq2tNPsnR7knD/LbDXeRMvo/GtRON7wPvtlU7oMcxR9P0ZI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767895011; c=relaxed/simple; bh=LjrnWOI9SwZkoVjxSwZLCKsDOR444Ug6rAeO/a3jcEg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=K/t/1SVWdrIGfKndcNYQ5IIRtz0gWITb27S/EhwNeYX6A66wVndk+iTH7hNStlNYl8HaCjZyylL14KtHFpeSoDQ0Df5Qftpem81FXqPeD2BR5ir/KGVCipjCval5jsCbDpaDa4F+cim0CesL5s6E07T7jNIGV1GE/PGJeG0hEu0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hpLutgTy; arc=none smtp.client-ip=198.175.65.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="hpLutgTy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767895011; x=1799431011; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=LjrnWOI9SwZkoVjxSwZLCKsDOR444Ug6rAeO/a3jcEg=; b=hpLutgTya4hVVewZiKxXjZGDVuoxuNdzRQQANvxGl3m3IXxpgNjgVQO5 0dTRcbEBUYMSrQ/RwS4B81WXpH5Oirxfz/i68Z+6IZAnJeGxwevUKWaNq d9zMLMu/yzDfRSn/8weJU8Xq2ruFtvjHk2n0Oa6hfOvpmwjyCog0Tg2dT KXxk1TSakVuFcJRHBXhLbJBFYPb74S2S/Nbr2Wkob3CRKCHmLKog7LA8r gZU3b3bArcRY55/KMzUkc2lz4Lf/go1mxEpgC/uAblHNeYvIhY0BL+0sO lLdZtzmdIZm5b/JeVKk9x50zArfyTRRA/6ZM/sDbIFUH5+tsFOHuwrSF3 g==; X-CSE-ConnectionGUID: s3DjCQt+SbG2kcYOOTfLrQ== X-CSE-MsgGUID: uDHzENblTty6JqdCHO3MHA== X-IronPort-AV: E=McAfee;i="6800,10657,11665"; a="80725260" X-IronPort-AV: E=Sophos;i="6.21,211,1763452800"; d="scan'208";a="80725260" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 09:56:50 -0800 X-CSE-ConnectionGUID: obEqvaAWQyqZTxnZqKIC/Q== X-CSE-MsgGUID: hdr31HHlQpK5Ox1A6rW5Lg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,211,1763452800"; d="scan'208";a="207803074" Received: from rchatre-mobl4.amr.corp.intel.com (HELO [10.125.109.207]) ([10.125.109.207]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 09:56:50 -0800 Message-ID: <138c0ca6-3dc8-4a9f-8b40-c74a4dc19385@intel.com> Date: Thu, 8 Jan 2026 10:56:49 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [ndctl PATCH] test/cxl-topology.sh: test switch port target To: Alison Schofield Cc: nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org References: <20260108052552.395896-1-alison.schofield@intel.com> Content-Language: en-US From: Dave Jiang In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 1/8/26 10:46 AM, Alison Schofield wrote: > On Thu, Jan 08, 2026 at 10:02:58AM -0700, Dave Jiang wrote: >> >> >> On 1/7/26 10:25 PM, Alison Schofield wrote: >>> Add a test case to validate that all switch port decoders sharing >>> downstream ports, dports, have target lists properly enumerated. > > snip > >>> >>> This new case is quietly skipped with kernel version 6.18 where it >>> is known broken. > > snip > >>> +} >>> +# Skip the target enumeration test where known broken >>> +check_eq_kver 6.18 || test_switch_decoder_target_enumeration >> >> 6.19 I believe? > > I found it fails with this commit introduced in 6.18: > 4f06d81e7c6a ("cxl: Defer dport allocation for switch ports") > > So intending to skip that single kern version. > > I won't put this on ndctl/pending until the kernel patch is merged > in 6.19. > > Make sense? Yeah maybe I'm misremembering. Anyhow Reviewed-by: Dave Jiang > >> >> DJ >> >>> >>> # check that switch ports disappear after all of their memdevs have been >>> # disabled, and return when the memdevs are enabled. >>