linux-kernel - Re: [PATCH v2 0/7] Tighten PCI security, expose dev location in sysfs

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Date:   Mon, 6 Jul 2020 15:18:23 -0700
From:   Rajat Jain <rajatja@...gle.com>
To:     Pavel Machek <pavel@...x.de>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        "open list:AMD IOMMU (AMD-VI)" <iommu@...ts.linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-pci <linux-pci@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Raj Ashok <ashok.raj@...el.com>,
        "Krishnakumar, Lalithambika" <lalithambika.krishnakumar@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Prashant Malani <pmalani@...gle.com>,
        Benson Leung <bleung@...gle.com>,
        Todd Broch <tbroch@...gle.com>,
        Alex Levin <levinale@...gle.com>,
        Mattias Nissler <mnissler@...gle.com>,
        Rajat Jain <rajatxjain@...il.com>,
        Bernie Keany <bernie.keany@...el.com>,
        Aaron Durbin <adurbin@...gle.com>,
        Diego Rivas <diegorivas@...gle.com>,
        Duncan Laurie <dlaurie@...gle.com>,
        Furquan Shaikh <furquan@...gle.com>,
        Jesse Barnes <jsbarnes@...gle.com>,
        Christian Kellner <christian@...lner.me>,
        Alex Williamson <alex.williamson@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Saravana Kannan <saravanak@...gle.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH v2 0/7] Tighten PCI security, expose dev location in sysfs

On Sat, Jul 4, 2020 at 4:44 AM Pavel Machek <pavel@...x.de> wrote:
>
> Hi!
>
> > * The first 3 patches tighten the PCI security using ACS, and take care
> >   of a border case.
> > * The 4th patch takes care of PCI bug.
> > * 5th and 6th patches expose a device's location into the sysfs to allow
> >   admin to make decision based on that.
>
> I see no patch for Documentation -- new sysfs interfaces should be
> documented for 5/6.

Yes, sorry. The patches 5/6 have run into discussion and it looks are
not acceptable at the moment.

Thanks,

Rajat

>
>                                                                         Pavel
>
> >  drivers/base/core.c         | 35 +++++++++++++++++++++++++++++++
> >  drivers/iommu/intel/iommu.c | 31 ++++++++++++++++++---------
> >  drivers/pci/ats.c           |  2 +-
> >  drivers/pci/bus.c           | 13 ++++++------
> >  drivers/pci/of.c            |  2 +-
> >  drivers/pci/p2pdma.c        |  2 +-
> >  drivers/pci/pci-acpi.c      | 13 ++++++------
> >  drivers/pci/pci-driver.c    |  1 +
> >  drivers/pci/pci.c           | 34 ++++++++++++++++++++++++++----
> >  drivers/pci/pci.h           |  3 ++-
> >  drivers/pci/probe.c         | 20 +++++++++++-------
> >  drivers/pci/quirks.c        | 19 +++++++++++++----
> >  include/linux/device.h      | 42 +++++++++++++++++++++++++++++++++++++
> >  include/linux/device/bus.h  |  8 +++++++
> >  include/linux/pci.h         | 13 ++++++------
> >  15 files changed, 191 insertions(+), 47 deletions(-)
> >
>
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html