linux-kernel - Re: 2.6.24-rc3-mm1 make headers

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Message-ID: <20071124143404.GA4826@stusta.de>
Date:	Sat, 24 Nov 2007 15:34:05 +0100
From:	Adrian Bunk <bunk@...nel.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Avi Kivity <avi@...ranet.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...dowen.org>
Subject: Re: 2.6.24-rc3-mm1 make headers_check fails

On Wed, Nov 21, 2007 at 10:58:21AM +0100, Sam Ravnborg wrote:
> On Wed, Nov 21, 2007 at 10:44:40AM +0200, Avi Kivity wrote:
> > Kamalesh Babulal wrote:
> > >Andrew Morton wrote:
> > >  
> > >>On Wed, 21 Nov 2007 13:54:50 +0530 Kamalesh Babulal 
> > >><kamalesh@...ux.vnet.ibm.com> wrote:
> > >>
> > >>    
> > >>>The make headers_check fails,
> > >>>
> > >>>  CHECK   include/linux/usb/gadgetfs.h
> > >>>  CHECK   include/linux/usb/ch9.h
> > >>>  CHECK   include/linux/usb/cdc.h
> > >>>  CHECK   include/linux/usb/audio.h
> > >>>  CHECK   include/linux/kvm.h
> > >>>/root/kernels/linux-2.6.24-rc3/usr/include/linux/kvm.h requires 
> > >>>asm/kvm.h, which does not exist in exported headers
> > >>>      
> > >>hm, works for me, on i386 and x86_64.  What's different over there?
> > >>    
> > >Hi Andrew,
> > >
> > >It fails on the powerpc box, with allyesconfig option.
> > >
> > >  
> > 
> > How do we fix this?  Export linux/kvm.h only on x86?  Seems ugly.
> 
> Is kvm x86 specific? Then move the .h file to asm-x86.
> Otherwise no good idea...

What about adding a whitelist in hdrcheck.sh?

For all practical purposes in userspace the compile error due to the 
non-existing asm header should be fine, so there's no reason to change 
the code in such cases. 

> 	Sam

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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