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

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Message-ID: <20251215120921.00005875@huawei.com>
Date: Mon, 15 Dec 2025 12:09:21 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Dan Williams <dan.j.williams@...el.com>
CC: <dave.jiang@...el.com>, <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>, Alejandro
 Lucero <alucerop@....com>
Subject: Re: [PATCH 3/6] cxl/port: Arrange for always synchronous endpoint
 attach

On Wed,  3 Dec 2025 18:21:33 -0800
Dan Williams <dan.j.williams@...el.com> 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: Jonathan Cameron <jonathan.cameron@...wei.com>