Thread (11 messages) flat view 11 messages, 7 authors, 2017-10-11

[v4,0/3] Workaround for bus/slot reset on Cavium cn8xxx root ports

From: Vadim Lomovtsev <hidden>
Date: 2017-09-12 09:40:57
Also in: kvm, linux-pci, lkml

Hi all,

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

WBBR,
Vadim

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(+)
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