Re: linux-next: build failure after merge of the xen-two tree

From: Konrad Rzeszutek Wilk
Date: Tue Feb 05 2013 - 13:30:57 EST


On Mon, Feb 04, 2013 at 03:14:56PM +1100, Stephen Rothwell wrote:
> Hi Konrad,
>
> After merging the xen-two tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> arch/x86/xen/mmu.c: In function 'xen_init_mmu_ops':
> arch/x86/xen/mmu.c:2213:10: error: 'struct x86_init_ops' has no member named 'mapping'
> arch/x86/xen/mmu.c:2213:39: error: 'xen_mapping_pagetable_reserve' undeclared (first use in this function)
>
> Caused by commit 8154d7a6b9b9 ("xen/pvh: Implement MMU changes for PVH")
> from the xen-two tree interacting with commit 6f80b68e9e51 ("x86, mm,
> Xen: Remove mapping_pagetable_reserve()") from the tip tree. The
> automatic merge left the moved version of the above line intact while it
> should have been removed (I assume).
>
> I have added the following merge fix patch and can carry the fix as
> necessary.

Ah yes. Please do. I will fix it up once I am back on the box that has
access to the kernel.org. Thanks again!

>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Mon, 4 Feb 2013 15:08:33 +1100
> Subject: [PATCH] xen: fix bad merge of arch/x86/xen/mmu.c
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> arch/x86/xen/mmu.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
> index 824706a..3228600 100644
> --- a/arch/x86/xen/mmu.c
> +++ b/arch/x86/xen/mmu.c
> @@ -2210,7 +2210,6 @@ void __init xen_init_mmu_ops(void)
> pv_mmu_ops.flush_tlb_others = xen_flush_tlb_others;
> return;
> }
> - x86_init.mapping.pagetable_reserve = xen_mapping_pagetable_reserve;
> pv_mmu_ops = xen_mmu_ops;
>
> memset(dummy_mapping, 0xff, PAGE_SIZE);
> --
> 1.8.1
>
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx


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