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[Bug 1592114] Comment bridged from LTC Bugzilla


------- Comment From ukrishn@xxxxxxxxxx 2016-06-16 18:40 EDT-------
I have two requests.

1. Can you please backport below commit from upstream ?

9526f36026f778e82b5175249443854c03b2e660    cxlflash: Fix regression
issue with re-ordering patch

This commit fixes a regression issue with the patch that I see in Xenial SRU - Commit 6ded8b3cbd9a ("cxlflash: Unmap problem state area before detaching
master context"). Please backport this patch to Xenial SRU.

2. I'm submitting the patch series that was sent upstream as NOUP/SAUCE
request. Here is the link to upstream submission.


I'm also attaching these three patches as attachment cut against xenial
/master-next plus the patch 9526f36026f778e82b5175249443854c03b2e660
cxlflash: Fix regression issue with re-ordering patch.

So please apply it on top of the backported patch.

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  Device shutdown notification for CAPI Flash cards

Status in linux package in Ubuntu:

Bug description:
  ---Problem Description---
  Some CAPI Flash cards need notification of device shutdown
  in order to flush pending I/Os.

  A PCI notification hook for shutdown has been added where
  the driver notifies the card and returns. When the device
  is removed in the PCI remove path, this code will wait for
  shutdown processing to complete. It could take a minimum of
  1 second for shutdown processing to complete. To avoid an
  indefinite wait, code has been added to read the status 
  incrementally from 100ms up to 1.5 seconds.
  Contact Information = ukrishn@xxxxxxxxxxxxxxxxxx 
  This is a defect placeholder for submitting a patch to Canonical, that is in the process of getting submitted upstream for the 4.8 kernel.

  We would like to have this patch included in the pointrelease,

  Please lookout for the patch that will be attached to this bug soon
  and probably closer to the deadline for 16.04.1.

  I will submit the patch as soon as I get the review comments addressed
  and well tested.

  -- Uma

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