On 12 September 2014 19:25, kbuild test robot <fengguang.wu@xxxxxxxxx> 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 majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
