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From: Gregory Price <gourry@gourry.net>
To: Vishal Aslot <vaslot@nvidia.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>,
	Jonathan Cameron <jonathan.cameron@huawei.com>,
	Dave Jiang <dave.jiang@intel.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>,
	Li Ming <ming.li@zohomail.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Dan Carpenter <dan.carpenter@linaro.org>,
	Zijun Hu <zijun.hu@oss.qualcomm.com>,
	"linux-cxl@vger.kernel.org" <linux-cxl@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] cxl/hdm: allow zero sized committed decoders
Date: Thu, 2 Oct 2025 01:48:56 -0400	[thread overview]
Message-ID: <aN4SSEmaCaxbeiwJ@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <SN7PR12MB81316C958DF0F4B10369B928BBE6A@SN7PR12MB8131.namprd12.prod.outlook.com>

On Wed, Oct 01, 2025 at 08:37:26PM +0000, Vishal Aslot wrote:
> @@ -1210,6 +1210,11 @@ int devm_cxl_enumerate_decoders(struct cxl_hdm *cxlhdm,
>                 rc = init_hdm_decoder(port, cxld, target_map, hdm, i,
>                                       &dpa_base, info);
>                 if (rc) {
> +                       if (rc == -ENOSPC) {
> +                               put_device(&cxld->dev);
> +                               rc = 0;
> +                               continue;
> +                       }

How do you suggest actually testing this? I briefly poked at this in
QEMU trying to commit decoders, but i found myself incapable of
exercising this path.

>                         dev_warn(&port->dev,
>                                  "Failed to initialize decoder%d.%d\n",
>                                  port->id, i);
> --
> 2.34.1

  parent reply	other threads:[~2025-10-02  5:49 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-01 20:37 Vishal Aslot
2025-10-01 21:28 ` Dave Jiang
2025-10-01 22:03   ` Vishal Aslot
2025-10-01 22:46     ` Dave Jiang
2025-10-02  1:57       ` Vishal Aslot
2025-10-03  0:59         ` [PATCH v2] " Vishal Aslot
2025-10-03  4:28           ` Gregory Price
2025-10-04 13:30             ` Vishal Aslot
2025-10-03 16:20           ` Dave Jiang
2025-10-03 20:02             ` Vishal Aslot
2025-10-04  0:06           ` Davidlohr Bueso
2025-10-04 13:34             ` Vishal Aslot
2025-10-02  5:48 ` Gregory Price [this message]
2025-10-02 15:32   ` [PATCH] " Dave Jiang
2025-10-03  1:03     ` Vishal Aslot
2025-10-03 14:23       ` Gregory Price
2025-10-04 13:49         ` Vishal Aslot
2025-10-06 17:06           ` Gregory Price
2025-10-03 16:14       ` Dave Jiang
2025-10-04 14:05         ` Vishal Aslot
2025-10-06 14:54           ` Dave Jiang

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