Re: [PATCH v9 13/27] cxl: prepare memdev creation for type2

Jonathan Cameron
2025-01-02T15:01:40Z

On Mon, 30 Dec 2024 21:44:31 +0000
<alejandro.lucero-palau@amd.com> wrote:

> From: Alejandro Lucero <alucerop@amd.com>
>
> Current cxl core is relying on a CXL_DEVTYPE_CLASSMEM type device when
> creating a memdev leading to problems when obtaining cxl_memdev_state
> references from a CXL_DEVTYPE_DEVMEM type. This last device type is
> managed by a specific vendor driver and does not need same sysfs files
> since not userspace intervention is expected.
>
> Create a new cxl_mem device type with no attributes for Type2.
>
> Avoid debugfs files relying on existence of cxl_memdev_state.

"Avoid debugfs files that rely on existence of cxl_memdev_state."

Currently it means you keep the files but break their reliance
on that state. So subtly different from what is implemented.

>
> Make devm_cxl_add_memdev accesible from a accel driver.
>
> Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>