Re: [PATCH v8 0/4] Add parameter for disabling ACS redirection for P2P

[Logan Gunthorpe]

Hey,

Oops, I missed finishing this up before sending it sorry:

This is mostly a resend with Alex's tags collected. Bjorn, can you
please consider merging this? All patches have been reviewed and
accepted by Alex.

Thanks,

Logan

--

Changes since v7:
* Collected Alex's Reviewed-by Tags
* Rebased onto v4.18-rc7 (no conflicts)


On 30/07/18 10:18 AM, Logan Gunthorpe wrote:
> Changes since v6:
> * Fixed order of operations for device specific disable function as
>   noticed by Alex
> * Rebased onto v4.18-rc5 (no conflicts)
> 
> Changes since v5:
> * Add a quirk to handle the Intel SPT PCH case (as pointed out by Alex)
> * Warn in the case that we try to disable ACS redirect on a device
>   that doesn't have the ACS capability (also suggested by Alex)
> * Collect reviewed-by tag from Alex
> * Rebased onto v4.18-rc4 (no conflicts)
> 
> Changes since v4:
> * Fixed a couple documentation mistakes spotted by Randy
> 
> Changes since v3:
> * Removed some of the cruft that was copied from the resource_alignment
>   paramater (per Alex)
> * A number of docuemntation fixes as noticed by Alex and Willy
> 
> Changes since v2:
> * Rebased onto v4.18-rc1 (no conflicts)
> * Minor tweaks to the documentation per Andy
> * Removed the "path:" prefix and use the path parsing code
>   for simple devices (as it works the same). Per a suggestion from Alex
> 
> Changes since v1:
> * Reworked pci_dev_str_match_path using strrchr as suggested by Alex
> * Collected Christian's Acks
> 
> 
> Logan Gunthorpe (4):
>   PCI: Make specifying PCI devices in kernel parameters reusable
>   PCI: Allow specifying devices using a base bus and path of devfns
>   PCI: Introduce disable_acs_redir quirk
>   PCI: Introduce the disable_acs_redir parameter
> 
>  Documentation/admin-guide/kernel-parameters.txt |  41 +++-
>  drivers/pci/pci.c                               | 310 +++++++++++++++++++-----
>  drivers/pci/quirks.c                            |  78 +++++-
>  include/linux/pci.h                             |   5 +
>  4 files changed, 361 insertions(+), 73 deletions(-)
> 
> --
> 2.11.0
>