linux-kernel - Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

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Message-ID: <491949A4.3060205@redhat.com>
Date:	Tue, 11 Nov 2008 11:00:20 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Greg KH <greg@...ah.com>
CC:	"Fischer, Anna" <anna.fischer@...com>, H L <swdevyid@...oo.com>,
	"randy.dunlap@...cle.com" <randy.dunlap@...cle.com>,
	"grundler@...isc-linux.org" <grundler@...isc-linux.org>,
	"Chiang, Alexander" <achiang@...com>,
	"matthew@....cx" <matthew@....cx>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"rdreier@...co.com" <rdreier@...co.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>
Subject: Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

Greg KH wrote:

  

>> arch/x86/kvm/vtd.c: iommu integration (allows assigning the device's memory 
>> resources)
>>     
>
> That file is not in 2.6.28-rc4 :(
>
>   

Sorry, was moved to virt/kvm/ for ia64's benefit.

>   
>> virt/kvm/irq*: interrupt redirection (allows assigning the device's 
>> interrupt resources)
>>     
>
> I only see virt/kvm/irq_comm.c in 2.6.28-rc4.
>
>   

kvm_main.c in that directory also has some related bits.

>> the rest (pci config space, pio redirection) are in userspace.
>>     
>
> So you don't need these pci core changes at all?
>
>   

Not beyond those required for SR-IOV and iommu support.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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