Messages in this thread | | | Date | Thu, 30 Jan 2020 17:26:06 +0100 | From | Christoph Hellwig <> | Subject | Re: Issues with "PCI/LINK: Report degraded links via link bandwidth notification" |
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On Sun, Jan 19, 2020 at 08:33:26PM -0600, Bjorn Helgaas wrote: > NVMe, GPU folks, do your drivers or devices change PCIe link > speed/width for power saving or other reasons? When CONFIG_PCIE_BW=y, > the PCI core interprets changes like that as problems that need to be > reported.
The NVMe driver doesn't. For devices I don't know of any, but Ican't find anything in the spec that would forbid it.
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