From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Mahesh Salgaonkar <mahesh@linux.ibm.com>,
linuxppc-dev <linuxppc-dev@ozlabs.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Oliver O'Halloran <oohall@gmail.com>,
stable@vger.kernel.org
Subject: Re: [PATCH v2] powerpc/eeh: Fix EEH handling for hugepages in ioremap space.
Date: Mon, 19 Apr 2021 13:59:54 +1000 [thread overview]
Message-ID: <161880479477.1398509.366681090347824239.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <161821396263.48361.2796709239866588652.stgit@jupiter>
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
prev parent reply other threads:[~2021-04-19 4:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-12 7:52 [PATCH v2] powerpc/eeh: Fix EEH handling for hugepages in ioremap space Mahesh Salgaonkar
2021-04-13 0:53 ` Oliver O'Halloran
2021-04-14 8:31 ` Mahesh J Salgaonkar
2021-04-19 3:59 ` Michael Ellerman [this message]
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