linux-kernel - Re: linux-next: build failure in Linus' tree

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Date:	Tue, 18 Jan 2011 22:12:40 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: build failure in Linus' tree

On Sat, Jan 15, 2011 at 10:40:04AM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> While building Linus' tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> ERROR: "arbitrary_virt_to_machine" [drivers/xen/xen-gntdev.ko] undefined!
> 
> Caused by commit ba5d1012292403c8037adf4a54c4ec50dfe846c4 ("xen/gntdev:
> stop using "token" argument").
> 
> I have applied this patch for today:

Ok. Thanks for spotting that. I stuck it in my tree along with some other
patches for rc1.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Sat, 15 Jan 2011 10:36:26 +1100
> Subject: [PATCH] xen: export arbitrary_virt_to_machine
> 
> fixes build error:
> 
> ERROR: "arbitrary_virt_to_machine" [drivers/xen/xen-gntdev.ko] undefined!
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  arch/x86/xen/mmu.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
> index 7575e55..5e92b61 100644
> --- a/arch/x86/xen/mmu.c
> +++ b/arch/x86/xen/mmu.c
> @@ -201,6 +201,7 @@ xmaddr_t arbitrary_virt_to_machine(void *vaddr)
>  	offset = address & ~PAGE_MASK;
>  	return XMADDR(((phys_addr_t)pte_mfn(*pte) << PAGE_SHIFT) + offset);
>  }
> +EXPORT_SYMBOL_GPL(arbitrary_virt_to_machine);
>  
>  void make_lowmem_page_readonly(void *vaddr)
>  {
> -- 
> 1.7.2.3
> 
> -- 
> Cheers,
> Stephen Rothwell                    sfr@...b.auug.org.au
> http://www.canb.auug.org.au/~sfr/
> --
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