Re: [PATCH v8 2/9] cxl: Move cxl feature command structs to user header

[Dave Jiang <dave.jiang@intel.com>]

On 4/10/25 8:03 AM, Borislav Petkov wrote:
> On Fri, Mar 07, 2025 at 01:55:32PM -0700, Dave Jiang wrote:
>> diff --git a/include/uapi/cxl/features.h b/include/uapi/cxl/features.h
>> new file mode 100644
>> index 000000000000..7f7ab4aefec2
>> --- /dev/null
>> +++ b/include/uapi/cxl/features.h
>> @@ -0,0 +1,169 @@
>> +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
>> +/*
>> + * Copyright (c) 2024,2025, Intel Corporation
>> + *
>> + * These are definitions for the mailbox command interface of CXL subsystem.
>> + */
>> +#ifndef _UAPI_CXL_FEATURES_H_
>> +#define _UAPI_CXL_FEATURES_H_
>> +
>> +#include <linux/types.h>
>> +#ifndef __KERNEL__
>> +#include <uuid/uuid.h>
>> +#else
>> +#include <linux/uuid.h>
>> +#endif
> 
> This doesn't help in allmodconfig builds:
> 
> In file included from ./usr/include/fwctl/cxl.h:12,
>                  from <command-line>:
> usr/include/cxl/features.h:11:10: fatal error: uuid/uuid.h: No such file or directory
>    11 | #include <uuid/uuid.h>
>       |          ^~~~~~~~~~~~~
> compilation terminated.
> make[4]: *** [usr/include/Makefile:85: usr/include/fwctl/cxl.hdrtest] Error 1
> make[3]: *** [scripts/Makefile.build:461: usr/include] Error 2
> make[2]: *** [scripts/Makefile.build:461: usr] Error 2
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [/home/amd/kernel/linux/Makefile:2006: .] Error 2
> make: *** [Makefile:248: __sub-make] Error 2
> 

Thanks Boris. Jason has a fix queued for 6.15-rc.
https://lore.kernel.org/linux-cxl/20250407174910.GA1725933@nvidia.com/


Installing the uuid-devel package also helps with the allmodconfig issue for now.