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SubjectRe: [RESEND PATCH 1/1] bitops.h: move out get_count_order[_long]() from __KERNEL__ scope
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On 2016/8/18 8:28, Al Viro wrote:
> On Thu, Aug 18, 2016 at 08:10:19AM +0800, zijun_hu wrote:
>
>> Documentation/kbuild/makefiles.txt:
>> The kernel includes a set of headers that is exported to userspace.
>> Many headers can be exported as-is but other headers require a
>> minimal pre-processing before they are ready for user-space.
>> The pre-processing does:
>> - drop kernel-specific annotations
>> - drop include of compiler.h
>> - drop all sections that are kernel internal (guarded by ifdef __KERNEL__)
>>
>> scripts/Makefile.headersinst:
>> # ==========================================================================
>> # Installing headers
>> #
>> # header-y - list files to be installed. They are preprocessed
>> # to remove __KERNEL__ section of the file
>> # genhdr-y - Same as header-y but in a generated/ directory
>
> Quite. Now, could you show me where bitops.h is mentioned in any header-y
> assignments?
>
you are right bitops.h isn't mentioned in any header-y
my aim is making macro __KERNEL__ purpose or history purpose clear
it isn't a bad thing to follow __KERNEL__ purpose
it maybe look nicer to keep get_counter_order() original scope

that don't matter since the current scope works well also
> Stuff outside of */uapi/* is not exported at all.
>


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