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From: Dan Williams <dan.j.williams@intel.com>
To: Robert Richter <rrichter@amd.com>,
	Alison Schofield <alison.schofield@intel.com>,
	Vishal Verma <vishal.l.verma@intel.com>,
	"Ira Weiny" <ira.weiny@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	Dave Jiang <dave.jiang@intel.com>,
	Davidlohr Bueso <dave@stgolabs.net>
Cc: <linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Gregory Price <gourry@gourry.net>,
	Terry Bowman <terry.bowman@amd.com>,
	Robert Richter <rrichter@amd.com>
Subject: Re: [PATCH 0/2] cxl/pci: Inactive downstream port handling
Date: Wed, 5 Mar 2025 11:06:52 -0800	[thread overview]
Message-ID: <67c8a0cc23ec_24b64294f6@dwillia2-xfh.jf.intel.com.notmuch> (raw)
In-Reply-To: <20250305100123.3077031-1-rrichter@amd.com>

Robert Richter wrote:
> A small series with individual patches to handle inactive downstream
> ports during enumeration. First patch changes downstream port
> enumeration to ignore those with duplicate port IDs. Second patch only
> enables active downstream ports with the link status up.
> 
> Patches are independent each and can be applied individually.
> 
> Robert Richter (2):
>   cxl/pci: Ignore downstream ports with duplicate port IDs
>   cxl/pci: Check link status and only enable active dports

Both of these problems are to addressed by work in progress patches to
delay dport enumeration until a cxl_memdev is registered beneath that
leg of CXL topology.

I would prefer to focus on that solution and skip these band-aids in
the near term unless there is an urgent need that makes it clear that
waiting for v6.16 is not tenable.

  parent reply	other threads:[~2025-03-05 19:07 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-05 10:01 [PATCH 0/2] cxl/pci: Inactive downstream port handling Robert Richter
2025-03-05 10:01 ` [PATCH 1/2] cxl/pci: Ignore downstream ports with duplicate port IDs Robert Richter
2025-03-05 15:09   ` Ira Weiny
2025-03-07 15:28     ` Robert Richter
2025-03-14 12:11   ` Jonathan Cameron
2025-03-05 10:01 ` [PATCH 2/2] cxl/pci: Check link status and only enable active dports Robert Richter
2025-03-05 15:19   ` Ira Weiny
2025-03-07 15:43     ` Robert Richter
2025-03-07 20:51       ` Ira Weiny
2025-03-14 12:14   ` Jonathan Cameron
2025-03-05 19:06 ` Dan Williams [this message]
2025-03-07 14:06   ` [PATCH 0/2] cxl/pci: Inactive downstream port handling Robert Richter
2025-03-07 20:58     ` Dan Williams
  -- strict thread matches above, loose matches on Subject: below --
2025-03-05  9:58 Robert Richter

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