linux-kernel - Re: [v4,0/3] Workaround for bus/slot reset on Cavium cn8xxx root ports

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f90f2900-4008-5195-f16d-54ccdc1edb37@redhat.com>
Date:   Wed, 20 Sep 2017 13:50:41 -0400
From:   Jon Masters <jcm@...hat.com>
To:     Vadim Lomovtsev <Vadim.Lomovtsev@...iumnetworks.com>,
        Jan Glauber <jglauber@...ium.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>, kvm@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alex Williamson <alex.williamson@...hat.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     david.daney@...ium.com, Robert Richter <robert.richter@...ium.com>
Subject: Re: [v4,0/3] Workaround for bus/slot reset on Cavium cn8xxx root
 ports

On 09/12/2017 05:40 AM, Vadim Lomovtsev wrote:

> Are there any updates on this ?
> Comments/objections/acks/nacks ?

Any more comments?

Jon.

> On Fri, Sep 08, 2017 at 10:10:30AM +0200, Jan Glauber wrote:
>> Using vfio-pci on a combination of cn8xxx and some PCI devices results in
>> a kernel panic. This is triggered by issuing a bus or a slot reset
>> on the PCI device.
>>
>> With this series both checks indicate that the reset is not possible
>> preventing the kernel panic.
>>
>> David Daney (2):
>>   PCI: Allow PCI_DEV_FLAGS_NO_BUS_RESET to be used on bus device
>>   PCI: Avoid bus reset for Cavium cn8xxx root ports
>>
>> Jan Glauber (1):
>>   PCI: Avoid slot reset if bus reset is not possible
>>
>>  drivers/pci/pci.c    | 8 ++++++++
>>  drivers/pci/quirks.c | 8 ++++++++
>>  2 files changed, 16 insertions(+)


-- 
Computer Architect | Sent from my Fedora powered laptop