Re: [PATCH v2] powerpc/eeh: Fix EEH handling for hugepages in ioremap space.

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