linux-kernel - Re: [PATCH 3/4] PCI: Add implementation for PRI capability

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Message-ID: <20111030145706.GH32555@amd.com>
Date:	Sun, 30 Oct 2011 15:57:07 +0100
From:	"Roedel, Joerg" <Joerg.Roedel@....com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: Re: [PATCH 3/4] PCI: Add implementation for PRI capability

On Sat, Oct 29, 2011 at 03:36:13PM -0400, Geert Uytterhoeven wrote:
> On Tue, Sep 27, 2011 at 15:57, Joerg Roedel <joerg.roedel@....com> wrote:
> > Implement the necessary functions to handle PRI capabilities
> > on PCIe devices. With PRI devices behind an IOMMU can signal
> > page fault conditions to software and recover from such
> > faults.
> >
> > Signed-off-by: Joerg Roedel <joerg.roedel@....com>
> > ---
> >  drivers/pci/Kconfig      |    9 +++
> >  drivers/pci/ats.c        |  167 ++++++++++++++++++++++++++++++++++++++++++++++
> >  include/linux/pci-ats.h  |   42 ++++++++++++
> >  include/linux/pci_regs.h |   12 +++
> >  4 files changed, 230 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
> > index 1d8ce83..fb1e9707 100644
> > --- a/drivers/pci/Kconfig
> > +++ b/drivers/pci/Kconfig
> > @@ -85,6 +85,15 @@ config PCI_IOV
> >
> >          If unsure, say N.
> >
> > +config PCI_PRI
> > +       bool "PCI PRI support"
> 
> Shouldn't this depend on PCI?
> 
> It doesn't seem to hurt on PCI-less platforms, but I prefer not seeing
> PCI-related questions when CONFIG_PCI is not set.

You are right, I send a fix soon. Thanks for the report.

	Joerg

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