Re: `make headers_check' bustage

[Andrew Morton]

On Tue, 12 Jul 2011 16:04:55 +0200 Michal Marek <mmarek@xxxxxxx> wrote:

> On 8.7.2011 02:16, Andrew Morton wrote:
> > It is just me, or is headers_check busted in current -linus?
> >
> > z:/usr/src/25>  make mrproper; make allmodconfig; make headers_check
> > ...
> > /usr/src/25/usr/include/linux/kernel.h:65: userspace cannot reference function or variable defined in the kernel
> 
> Introduced by 7ef88ad5 (BUILD_BUG_ON: make it handle more cases), the 
> whole BUILD_BUG_ON stuff should be hidden behind #ifdef __KERNEL__, but 
> it's pretty harmless.
> 
> 
> > /usr/src/25/usr/include/linux/quota.h:175: userspace cannot reference function or variable defined in the kernel
> 
> That's actualy a false positive, the header defines a prototype for the 
> quotactl() syscall.
> 
> 
> > /usr/src/25/usr/include/linux/sdla.h:116: userspace cannot reference function or variable defined in the kernel
> 
> That looks indeed bogus, there is no sdla() syscall.
> 
> 
> > /usr/src/25/usr/include/linux/soundcard.h:1054: userspace cannot reference function or variable defined in the kernel
> 
> As Vitaliy wrote, this is a leftover after 43a9907.
> 
> Nevertheless, these errors are pretty harmless, the prototypes do not 
> break parsing the header when compiling userspace programs.

Well, it's a bit harmful - someone did an exit(non-zero) and `make'
terminates the build with a build error.
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