>> This patch adds a new boot option to the pci kernel parameter called
>> "acs_disable" that will disable ACS. This is useful for PCI peer to
>> peer communication but can cause problems when IOVA isolation is
>> required and an IOMMU is enabled. Use with care.
> Eww.
Thanks for the feedback Chr
On Thu, Oct 26, 2017 at 08:37:49PM -0600, sba...@raithlin.com wrote:
> From: Stephen Bates
>
> On some servers the BIOS sets up ACS on any valid pci_dev in the
> system. The kernel has no way of backing this out since the kernel
> only turns ACS capabilities on.
>
> This patch adds a new boot op
From: Stephen Bates
On some servers the BIOS sets up ACS on any valid pci_dev in the
system. The kernel has no way of backing this out since the kernel
only turns ACS capabilities on.
This patch adds a new boot option to the pci kernel parameter called
"acs_disable" that will disable ACS. This i
