Messages in this thread | | | From | "Wu, Feng" <> | Subject | RE: [PATCH v9 12/18] vfio: Register/unregister irq_bypass_producer | Date | Mon, 21 Sep 2015 11:35:56 +0000 |
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> -----Original Message----- > From: Paolo Bonzini [mailto:pbonzini@redhat.com] > Sent: Monday, September 21, 2015 5:32 PM > To: Wu, Feng; alex.williamson@redhat.com; joro@8bytes.org; > mtosatti@redhat.com > Cc: eric.auger@linaro.org; kvm@vger.kernel.org; > iommu@lists.linux-foundation.org; linux-kernel@vger.kernel.org > Subject: Re: [PATCH v9 12/18] vfio: Register/unregister irq_bypass_producer > > > > On 21/09/2015 10:56, Wu, Feng wrote: > > Hi Paolo & Alex, > > > > I find that there is a build error in the following two cases: > > - KVM is configured as 'M' and VFIO as 'Y' > > The reason is the build of irqbypass manager is triggered in > > arch/x86/kvm/Makefile, and VFIO is built before KVM, hence > > it cannot find the symbols in irqbypass manager. > > > > - Disable KVM and enable VFIO in .config > > The reason is similar with the above one, the irqbypass manager > > is not built since KVM is not configured. > > > > I think the point is that we cannot trigger the build of irqbypass > > manager inside KVM or VFIO, we need trigger the build at a high > > level and it should be built before VFIO and KVM. Any ideas? > > We can add virt/Makefile and build virt/lib/ directly, not through > arch/x86/kvm.
Yes, that can solve the build error. Should I send a new version?
Thanks, Feng
> > Paolo
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