linux-kernel - Re: [PATCH 3/6] cxl/port: Arrange for always synchronous endpoint attach

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Message-ID: <22e47fe0-e2fa-484b-8fa1-2bff55cec8a4@amd.com>
Date: Thu, 4 Dec 2025 13:09:48 -0600
From: "Cheatham, Benjamin" <benjamin.cheatham@....com>
To: Dan Williams <dan.j.williams@...el.com>, <dave.jiang@...el.com>
CC: <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<Smita.KoralahalliChannabasappa@....com>, <alison.schofield@...el.com>,
	<terry.bowman@....com>, <alejandro.lucero-palau@....com>,
	<linux-pci@...r.kernel.org>, <Jonathan.Cameron@...wei.com>, Alejandro Lucero
	<alucerop@....com>
Subject: Re: [PATCH 3/6] cxl/port: Arrange for always synchronous endpoint
 attach

On 12/3/2025 8:21 PM, Dan Williams wrote:
> Make it so that upon return from devm_cxl_add_endpoint() that
> cxl_mem_probe() can assume that the endpoint has had a chance to complete
> cxl_port_probe().  I.e. cxl_port module loading has completed prior to
> device registration.
> 
> Delete the MODULE_SOFTDEP() as it is not sufficient for this purpose, but a
> hard link-time dependency is reliable. Specifically MODULE_SOFTDEP() does
> not guarantee that the module loading has completed prior to the completion
> of the current module's init.
> 
> Cc: Smita Koralahalli <Smita.KoralahalliChannabasappa@....com>
> Cc: Alejandro Lucero <alucerop@....com>
> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> ---

Reviewed-by: Ben Cheatham <benjamin.cheatham@....com>