Dear stable team
Could you please cherry-pick the following:
Commit: 949e9b827eb4736d96df520c67d07a54c64e99b8
Title: powerpc/eeh: eeh_pci_enable(): fix checking of post-request state
Versions: 3.18, 4.1, 4.4 (doesn't apply cleanly on <= 3.16)
Justification: Without this patch, in some circumstances EEH incorrectly
attempts to continue PCI recovery believing that MMIO and DMA have been
unfrozen, when they haven't, and in turn calls back into the device
driver even though the device is not accessible. This bug has been
observed several times on IBM CAPI/cxl test systems.
Regards
--
Andrew Donnellan OzLabs, ADL Canberra
andrew.donnellan@xxxxxxxxxxx IBM Australia Limited
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html