linux-kernel - Re: [BUILD FAILURE 01/04] Next June 04:PPC64 randconfig [drivers/staging/comedi/drivers.o]

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Message-ID: <10f740e80906041340x4f51b5f0ra542b60d758a4b54@mail.gmail.com>
Date:	Thu, 4 Jun 2009 22:40:47 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Greg KH <greg@...ah.com>
Cc:	Subrata Modak <subrata@...ux.vnet.ibm.com>,
	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>,
	Michael Ellerman <michael@...erman.id.au>,
	Sachin P Sant <sachinp@...ux.vnet.ibm.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Linux-Next <linux-next@...r.kernel.org>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Linuxppc-dev <Linuxppc-dev@...abs.org>
Subject: Re: [BUILD FAILURE 01/04] Next June 04:PPC64 randconfig 
	[drivers/staging/comedi/drivers.o]

On Thu, Jun 4, 2009 at 20:07, Greg KH <greg@...ah.com> wrote:
> On Thu, Jun 04, 2009 at 07:01:32PM +0530, Subrata Modak wrote:
>> CC [M]  drivers/staging/comedi/drivers.o
>> drivers/staging/comedi/drivers.c: In function ‘comedi_buf_alloc’:
>> drivers/staging/comedi/drivers.c:496: error: ‘PAGE_KERNEL_NOCACHE’ undeclared (first use in this function)
>> drivers/staging/comedi/drivers.c:496: error: (Each undeclared identifier is reported only once
>> drivers/staging/comedi/drivers.c:496: error: for each function it appears in.)
>> make[3]: *** [drivers/staging/comedi/drivers.o] Error 1
>> make[2]: *** [drivers/staging/comedi] Error 2
>> make[1]: *** [drivers/staging] Error 2
>> make: *** [drivers] Error 2
>>
>> Is it still normal to expect this failure ?
>
> No.
>
>> I reported them long back during April:
>> http://www.gossamer-threads.com/lists/linux/kernel/1065227,
>
> Yes, and I took some patches that were supposed to fix this.  I can't
> duplicate this here, care to send a patch that would fix it?

PAGE_KERNEL_NOCACHE is defined on a few architectures only, namely
frv, m32r, mn10300, sh, and x86[*]. On all others, it will fail.

[*] Interestingly, sparc refers to it in one of its include files,
without providing a
    definition, Probably that code is unused.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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