linux-kernel - Re: [PATCH] cxl: Include range.h in cxl.h

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Message-ID: <20250701160339.000042f5@huawei.com>
Date: Tue, 1 Jul 2025 16:03:39 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: Nathan Chancellor <nathan@...nel.org>
CC: Davidlohr Bueso <dave@...olabs.net>, Dave Jiang <dave.jiang@...el.com>,
	Alison Schofield <alison.schofield@...el.com>, Vishal Verma
	<vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>, Dan Williams
	<dan.j.williams@...el.com>, Andy Shevchenko
	<andriy.shevchenko@...ux.intel.com>, <linux-cxl@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cxl: Include range.h in cxl.h

On Tue, 01 Jul 2025 07:33:31 -0700
Nathan Chancellor <nathan@...nel.org> wrote:

> After commit aefeb286b960 ("libnvdimm: Don't use "proxy" headers"),
> range.h may not be implicitly included, resulting in a build error:
> 
>   In file included from drivers/cxl/core/features.c:8:
>   drivers/cxl/cxl.h:365:22: error: field 'hpa_range' has incomplete type
>     365 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:562:22: error: field 'hpa_range' has incomplete type
>     562 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:570:22: error: field 'hpa_range' has incomplete type
>     570 |         struct range hpa_range;
>         |                      ^~~~~~~~~
>   drivers/cxl/cxl.h:803:22: error: array type has incomplete element type 'struct range'
>     803 |         struct range dvsec_range[2];
>         |                      ^~~~~~~~~~~
> 
> Include range.h in cxl.h explicitly to clear up the errors.
> 
> Fixes: aefeb286b960 ("libnvdimm: Don't use "proxy" headers")
> Signed-off-by: Nathan Chancellor <nathan@...nel.org>
Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>