[RFC 0/3] Asynchronous EEH recovery

Oliver O'Halloran oohall at gmail.com
Tue Jun 13 12:36:05 AEST 2023

On Tue, Jun 13, 2023 at 11:44 AM Ganesh Goudar <ganeshgr at 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

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