svn commit: r361723 - head/sys/compat/linuxkpi/common/include/linux

[Bjoern A. Zeeb]

On 2 Jun 2020, at 10:36, Emmanuel Vadot wrote:

>  Hello Hans,
>
> On Tue, 2 Jun 2020 10:19:45 +0000 (UTC)
> Hans Petter Selasky <hselasky at FreeBSD.org> wrote:
>
>> Author: hselasky
>> Date: Tue Jun  2 10:19:45 2020
>> New Revision: 361723
>> URL: https://svnweb.freebsd.org/changeset/base/361723
>>
>> Log:
>>   Implement struct_size() function macro in the LinuxKPI.
>>
>>   MFC after:	1 week
>>   Sponsored by:	Mellanox Technologies
>>
>> Modified:
>>   head/sys/compat/linuxkpi/common/include/linux/kernel.h
>>
>> Modified: head/sys/compat/linuxkpi/common/include/linux/kernel.h
>> ==============================================================================
>> --- head/sys/compat/linuxkpi/common/include/linux/kernel.h	Tue Jun  2 
>> 09:45:43 2020	(r361722)
>> +++ head/sys/compat/linuxkpi/common/include/linux/kernel.h	Tue Jun  2 
>> 10:19:45 2020	(r361723)
>> @@ -555,4 +555,10 @@ linux_ratelimited(linux_ratelimit_t *rl)
>>  	return (ppsratecheck(&rl->lasttime, &rl->counter, 1));
>>  }
>>
>> +#define	struct_size(ptr, field, num) ({ \
>> +	const size_t __size = offsetof(__typeof(*(ptr)), field); \
>> +	const size_t __max = (SIZE_MAX - __size) / sizeof((ptr)->field[0]); 
>> \
>> +	((num) > __max) ? SIZE_MAX : (__size + sizeof((ptr)->field[0]) * 
>> (num)); \
>> +})
>> +
>>  #endif	/* _LINUX_KERNEL_H_ */
>
>  Can you bump FreeBSD_version so I can fix
> https://github.com/freebsd/drm-kmod/ and update the
> graphics/drm-devel-kmod port please ?

I almost wonder if we want a “linuxkkpi version” to check instead.
If there’s a lot more “work” on the linuxkpi we might not want to 
bump __FreeBSD_version for every change which can conflict/affect 
external code?

/bz