Re: [PATCH 2/8]kvm: Moving device_assignment logic to kvm_main.c

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* On Friday 03 Oct 2008 13:02:05 Zhang, Xiantao wrote:
> Amit Shah wrote:
> > * On Monday 29 Sep 2008 10:56:29 Zhang, Xiantao wrote:
> >> From: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
> >> Date: Sat, 27 Sep 2008 10:59:36 +0800
> >> Subject: [PATCH] kvm: Moving device_assignment logic to kvm_main.c
> >>
> >> To share with other archs, this patch moves device_assignment
> >> logic to common parts.
> >> Signed-off-by: Xiantao Zhang <xiantao.zhang@xxxxxxxxx>
> >>
> >> diff --git a/include/linux/kvm.h b/include/linux/kvm.h
> >> index 4269be1..9acf34a 100644
> >> --- a/include/linux/kvm.h
> >> +++ b/include/linux/kvm.h
> >> @@ -383,7 +383,9 @@ struct kvm_trace_rec {
> >>  #define KVM_CAP_MP_STATE 14
> >>  #define KVM_CAP_COALESCED_MMIO 15
> >>  #define KVM_CAP_SYNC_MMU 16  /* Changes to host mmap are reflected
> >> in guest */ +#ifdef CONFIG_X86
> >>  #define KVM_CAP_DEVICE_ASSIGNMENT 17
> >> +#endif
> >
> > I didn't see this changed to also accomodate IA64 in the patchset.
>
> Since linux-ia64 DMAR is not ready in kvm.git, and it should be in
> linux-ia64.git. So it should be in kvm.git once Avi merged with

OK; Does Linus' tree currently have the necessary support?

Also, I think you'll have to redo the patch 1/8 after Weidong's mmio patch got 
merged.

> upstream, so I didn't enable it for kvm/ia64 now.  You know, S390 has no
> pci support, so if we put the code in kvm_mainc, we should use the macro
> to exclude other arch which doesn't need device assignments.  If DMAR is
> ready for kvm.git, I will change this macro as following:
> #if defined(CONFIG_X86) || defined(CONFIG_IA64)
> #define KVM_CAP_DEVICE_ASSIGNMENT 17
> #endif

Yes, that's what I meant.
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