On Fri, Dec 25, 2015 at 5:49 PM, Zir Blazer <zir_bla...@hotmail.com> wrote:
> > So basically, I would like someone to confirm if PEX8747 ACS support works > downstream, even on Intel consumer platforms. > No. Whether or not a PCIe switch supports ACS is irrelevant when it's placed in a configuration downstream of a PCIe root port that does not support ACS. The entire path from the endpoint to the IOMMU must support ACS in order for devices to be isolated.
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