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

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Message-ID: <51A547F0.8090406@ozlabs.ru>
Date:	Wed, 29 May 2013 10:12:32 +1000
From:	Alexey Kardashevskiy <aik@...abs.ru>
To:	Scott Wood <scottwood@...escale.com>
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 05/29/2013 09:35 AM, Scott Wood wrote:
> 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".

Sorry, I meant this ioctl - KVM_CREATE_SPAPR_TCE.


-- 
Alexey
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