Re: [patch] x86, kvm: fix build failure with CONFIG_SMP disabled

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On Wed, 17 Apr 2013, Randy Dunlap wrote:

> On 04/17/13 16:12, David Rientjes wrote:
> > The build fails when CONFIG_SMP is disabled:
> > 
> > 	arch/x86/kvm/vmx.c: In function 'vmx_deliver_posted_interrupt':
> > 	arch/x86/kvm/vmx.c:3950:3: error: 'apic' undeclared (first use in this function)
> > 
> > Fix it by including the necessary header.
> 
> Sorry, i386 build still fails with the same error message plus this one:
> 
> ERROR: "apic" [arch/x86/kvm/kvm-intel.ko] undefined!
> 

Ahh, that's because you don't have CONFIG_X86_LOCAL_APIC as you already 
mentioned.  So it looks like this error can manifest in two different ways 
and we got different reports.

This failure came from "KVM: VMX: Add the deliver posted interrupt 
algorithm", so adding Yang to the cc to specify the dependency this has on 
apic and how it can be protected without CONFIG_X86_LOCAL_APIC on i386.
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