netdev - Re: [PATCH v18 01/20] cxl: Add type2 device basic support

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Message-ID: <20250930154340.000005f7@huawei.com>
Date: Tue, 30 Sep 2025 15:43:40 +0100
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Alejandro Lucero Palau <alucerop@....com>
CC: <alejandro.lucero-palau@....com>, <linux-cxl@...r.kernel.org>,
	<netdev@...r.kernel.org>, <dan.j.williams@...el.com>, <edward.cree@....com>,
	<davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <dave.jiang@...el.com>, "Alison Schofield"
	<alison.schofield@...el.com>
Subject: Re: [PATCH v18 01/20] cxl: Add type2 device basic support

On Mon, 29 Sep 2025 11:21:33 +0100
Alejandro Lucero Palau <alucerop@....com> wrote:

> On 9/23/25 12:21, Alejandro Lucero Palau wrote:
> >
> > On 9/18/25 11:55, Jonathan Cameron wrote:  
> >> On Thu, 18 Sep 2025 10:17:27 +0100
> >> alejandro.lucero-palau@....com wrote:
> >>  
> >>> From: Alejandro Lucero <alucerop@....com>
> >>>
> >>> Differentiate CXL memory expanders (type 3) from CXL device 
> >>> accelerators
> >>> (type 2) with a new function for initializing cxl_dev_state and a macro
> >>> for helping accel drivers to embed cxl_dev_state inside a private
> >>> struct.
> >>>
> >>> Move structs to include/cxl as the size of the accel driver private
> >>> struct embedding cxl_dev_state needs to know the size of this struct.
> >>>
> >>> Use same new initialization with the type3 pci driver.
> >>>
> >>> Signed-off-by: Alejandro Lucero <alucerop@....com>
> >>> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> >>> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
> >>> Reviewed-by: Alison Schofield <alison.schofield@...el.com>  
> >>  
> >>> diff --git a/Documentation/driver-api/cxl/theory-of-operation.rst 
> >>> b/Documentation/driver-api/cxl/theory-of-operation.rst
> >>> index 257f513e320c..ab8ebe7722a9 100644
> >>> --- a/Documentation/driver-api/cxl/theory-of-operation.rst
> >>> +++ b/Documentation/driver-api/cxl/theory-of-operation.rst
> >>> @@ -347,6 +347,9 @@ CXL Core
> >>>   .. kernel-doc:: drivers/cxl/cxl.h
> >>>      :internal:
> >>>   +.. kernel-doc:: include/cxl/cxl.h
> >>> +   :internal:
> >>> +  
> >> Smells like a merge conflict issue given same entry is already there.
> >>  
> >
> > Yes, I'll fix it.
> >
> >
> > Thanks
> >  
> 
> Hi Jonathan,
> 
> 
> When double-checking for v19, I am not sure what you meant here. It 
> seems my answer was in "automatic mode" since there is no duplicate 
> entry at all.
> 
> 
> Note there is one line for another file with same name but different 
> path. We discussed the file name for public cxl API for type2 drivers 
> time ago, so I think this should not be a problem.
> 

Indeed. Misread on my part.

> 
> 
> >  
> >>>   .. kernel-doc:: drivers/cxl/acpi.c
> >>>      :identifiers: add_cxl_resources  
> >>  
>