From: "Oliver O'Halloran" <oohall@gmail.com>
To: Ganesh Goudar <ganeshgr@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, mahesh@linux.ibm.com
Subject: Re: [RFC 0/3] Asynchronous EEH recovery
Date: Tue, 13 Jun 2023 12:36:05 +1000 [thread overview]
Message-ID: <CAOSf1CGzmbbs16zCAV8_NN49Sd8ifi-4Dvo7wXdVNDE-j76qPQ@mail.gmail.com> (raw)
In-Reply-To: <20230613014337.286222-1-ganeshgr@linux.ibm.com>
On Tue, Jun 13, 2023 at 11:44 AM Ganesh Goudar <ganeshgr@linux.ibm.com> wrote:
>
> Hi,
>
> EEH recovery is currently serialized and these patches shorten
> the time taken for EEH recovery by making the recovery to run
> in parallel. The original author of these patches is Sam Bobroff,
> I have rebased and tested these patches.
>
> On powervm with 64 VFs from same PHB, I see approximately 48%
> reduction in time taken in EEH recovery.
>
> On powernv with 9 network cards, Where 2 cards installed on one
> PHB and 1 card on each of the rest of the PHBs, Providing 20 PFs
> in total. I see approximately 33% reduction in time taken in EEH
> recovery.
>
> These patches were originally posted as separate RFCs by Sam, And
> I rebased and posted these patches almost a year back, I stopped
> pursuing these patches as I was not able test this on powernv, Due
> to the issues in drivers of cards I was testing this on, Which are
> now resolved. Since I am re-posting this after long time, Posting
> this as a fresh RFC, Please comment.
What changes have you made since the last time you posted this series?
If the patches are the same then the comments I posted last time still
apply.
next prev parent reply other threads:[~2023-06-13 2:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-13 1:43 [RFC 0/3] Asynchronous EEH recovery Ganesh Goudar
2023-06-13 1:43 ` [RFC 1/3] powerpc/eeh: Synchronization for safety Ganesh Goudar
2023-06-13 1:43 ` [RFC 2/3] powerpc/eeh: Provide a unique ID for each EEH recovery Ganesh Goudar
2023-06-13 1:43 ` [RFC 3/3] powerpc/eeh: Asynchronous recovery Ganesh Goudar
2023-06-13 2:36 ` Oliver O'Halloran [this message]
2023-07-17 8:10 ` [RFC 0/3] Asynchronous EEH recovery Ganesh G R
-- strict thread matches above, loose matches on Subject: below --
2022-08-16 3:27 Ganesh Goudar
2022-08-17 7:16 ` Oliver O'Halloran
2022-09-02 0:19 ` Jason Gunthorpe
2022-09-15 10:15 ` Ganesh
2023-01-25 14:04 ` Christophe Leroy
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