On 12 September 2014 19:25, kbuild test robot <[email protected]> wrote:
> tree:   git://git.kernel.org/pub/scm/virt/kvm/kvm.git master
> head:   e20e1bde3bb158cd3d08b9d94a90d3cabf1ba7cb
> commit: e20e1bde3bb158cd3d08b9d94a90d3cabf1ba7cb [11/11] KVM: check for 
> !is_zero_pfn() in kvm_is_mmio_pfn()
> config: powerpc-defconfig
> reproduce:
>   wget 
> https://github.com/fengguang/reproduce-kernel-bug/raw/master/cross-build/make.cross
>  -O ~/bin/make.cross
>   chmod +x ~/bin/make.cross
>   git checkout e20e1bde3bb158cd3d08b9d94a90d3cabf1ba7cb
>   make.cross ARCH=powerpc  defconfig
>   make.cross ARCH=powerpc
>
> All error/warnings:
>
>>> ERROR: "zero_pfn" [arch/powerpc/kvm/kvm.ko] undefined!
>

OK, so apparently, zero_pfn, which is used by the inline_zero_pfn() is
not exported, which is unfortunate.

I will go ahead and propose a patch to add this EXPORT(), but
unfortunately, s390's and mips's definition of is_zero_pfn() requires
zero_page_mask to be exported as well.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to