Re: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-10 Thread Matthew Wilcox
On Wed, Sep 10, 2008 at 03:48:04PM +0800, Zhao, Yu wrote: > >I agree with this improvement to the help text. But a further question > >is whether ARI even merits its own user-visible config option. Is it > >worth having yet another choice for users? When would someone want ARI > >but not SR-IOV?

Re: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-10 Thread Roland Dreier
> ARI is an independent PCI Express extended capability. Multi-function > devices supporting this capability may use it to track dependency > between different functions and assign function group numbers to > these functions. > Another reason to keep this separated with SR-IOV is that after A

RE: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-10 Thread Zhao, Yu
On Monday, September 01, 2008 11:50 PM, Roland Dreier wrote: >To: Alex Chiang >Cc: Zhao, Yu; Jesse Barnes; [EMAIL PROTECTED]; Randy Dunlap; Greg KH; >Grant Grundler; Matthew Wilcox; [EMAIL PROTECTED]; >kvm@vger.kernel.org; [EMAIL PROTECTED]; >[EMAIL PROTECTED] >Subject: Re:

RE: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-10 Thread Zhao, Yu
On Monday, September 01, 2008 11:28 PM, Alex Chiang wrote: >* Zhao, Yu <[EMAIL PROTECTED]>: >> Support Alternative Routing-ID Interpretation (ARI), which increases the >number of functions that can be supported by a PCIe endpoint. ARI is required >by SR-IOV. >> >> PCI-SIG ARI specification can be f

Re: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-01 Thread Roland Dreier
> > +config PCI_ARI > > + bool "PCI ARI support" > > + depends on PCI > > + default n > > + help > > +This enables PCI Alternative Routing-ID Interpretation. > > This Kconfig help text is a little weak. Why not include the text > you've already written here: > > Support Al

Re: [PATCH 2/4 v2] PCI: support ARI capability

2008-09-01 Thread Alex Chiang
* Zhao, Yu <[EMAIL PROTECTED]>: > Support Alternative Routing-ID Interpretation (ARI), which increases the > number of functions that can be supported by a PCIe endpoint. ARI is required > by SR-IOV. > > PCI-SIG ARI specification can be found at > http://www.pcisig.com/specifications/pciexpress

[PATCH 2/4 v2] PCI: support ARI capability

2008-09-01 Thread Zhao, Yu
Support Alternative Routing-ID Interpretation (ARI), which increases the number of functions that can be supported by a PCIe endpoint. ARI is required by SR-IOV. PCI-SIG ARI specification can be found at http://www.pcisig.com/specifications/pciexpress/specifications/ECN-alt-rid-interpretation-0