linux-kernel - Re: [PATCH 3/4] KVM: PPC: Add support for IOMMU in-kernel handling

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Date:	Tue, 28 May 2013 18:35:15 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Alexey Kardashevskiy <aik@...abs.ru>
CC:	David Gibson <david@...son.dropbear.id.au>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <kvm-ppc@...r.kernel.org>,
	Alexander Graf <agraf@...e.de>,
	Paul Mackerras <paulus@...ba.org>,
	<linuxppc-dev@...ts.ozlabs.org>
Subject: Re: [PATCH 3/4] KVM: PPC: Add support for IOMMU in-kernel handling

On 05/28/2013 06:30:40 PM, Alexey Kardashevskiy wrote:
> >> >>> @@ -939,6 +940,9 @@ struct kvm_s390_ucas_mapping {
> >> >>> #define KVM_GET_DEVICE_ATTR      _IOW(KVMIO,  0xe2, struct
> >> >>> kvm_device_attr)
> >> >>> #define KVM_HAS_DEVICE_ATTR      _IOW(KVMIO,  0xe3, struct
> >> >>> kvm_device_attr)
> >> >>>
> >> >>> +/* ioctl for SPAPR TCE IOMMU */
> >> >>> +#define KVM_CREATE_SPAPR_TCE_IOMMU _IOW(KVMIO,  0xe4, struct
> >> >>> kvm_create_spapr_tce_iommu)
> >> >>
> >> >> Shouldn't this go under the vm ioctl section?
> >>
> >>
> >> The KVM_CREATE_SPAPR_TCE_IOMMU ioctl (the version for emulated  
> devices) is
> >> in this section so I decided to keep them together. Wrong?
> >
> > You decided to keep KVM_CREATE_SPAPR_TCE_IOMMU together with
> > KVM_CREATE_SPAPR_TCE_IOMMU?
> 
> Yes.

Sigh.  That's the same thing repeated.  There's only one IOCTL.   
Nothing is being "kept together".

-Scott
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