On Fri, Oct 23, 2015 at 10:02:11AM +0800, Jiang Liu wrote:
> There's another patch already merged into mainstream kernel,
> which solves this issue in another way by making use of
> pci_dev->match_driver flag. Please refer to:
> cbbc00be2ce3 ("iommu/amd: Prevent binding other PCI drivers to IOMMU PCI
> devices")
> So I think this patch is redundant now.
Yeah, it fixes the same problem already fixed by your match_driver fix.
But I think this fix makes still sense as it avoids that the problem can
reappear in the future with other drivers. Setting pci_dev->match_driver
could be easily forgotten when writing new code.
Joerg
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