On Mon, 12 Apr 2021 13:22:50 +0530, Mahesh Salgaonkar wrote:
> During the EEH MMIO error checking, the current implementation fails to map
> the (virtual) MMIO address back to the pci device on radix with hugepage
> mappings for I/O. This results into failure to dispatch EEH event with no
> recovery even when EEH capability has been enabled on the device.
>
> eeh_check_failure(token) # token = virtual MMIO address
> addr = eeh_token_to_phys(token);
> edev = eeh_addr_cache_get_dev(addr);
> if (!edev)
> return 0;
> eeh_dev_check_failure(edev); <= Dispatch the EEH event
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/eeh: Fix EEH handling for hugepages in ioremap space.
https://git.kernel.org/powerpc/c/5ae5bc12d0728db60a0aa9b62160ffc038875f1a
cheers
