linux-kernel - [PATCH v2 0/5] vfio: ccw: error handling fixes and improvements

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Message-Id: <20180423110113.59385-1-bjsdjshi@linux.vnet.ibm.com>
Date:   Mon, 23 Apr 2018 13:01:08 +0200
From:   Dong Jia Shi <bjsdjshi@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     cohuck@...hat.com, borntraeger@...ibm.com, bjsdjshi@...ux.ibm.com,
        pasic@...ux.ibm.com, pmorel@...ux.ibm.com,
        Dong Jia Shi <bjsdjshi@...ux.vnet.ibm.com>
Subject: [PATCH v2 0/5] vfio: ccw: error handling fixes and improvements

Dear Reviewers,

Here is a new version for this patch series.

We didn't get agreement on patch #5 (#4 in v1) in the former cycle though,
I made it based on my understanding. We can continue discussing on it.

Changelog:
v1->v2:
 - #1. Reworded commit message and comment, plus some typo fixes.
 - #2. New patch.
 - #3. Added the missing suggested-by Pierre.
       Fixed typos.
       Added sanity check on pa->pa_iova_pfn and updated comments accordingly.
 - #4. Removed unused idaw_nr.
 - #5. Replaced leading white spaces with TABs.
       Traced the function in anycase.

Dong Jia Shi (3):
  vfio: ccw: shorten kernel doc description for pfn_array_pin()
  vfio: ccw: refactor and improve pfn_array_alloc_pin()
  vfio: ccw: set ccw->cda to NULL defensively

Halil Pasic (2):
  vfio: ccw: fix cleanup if cp_prefetch fails
  vfio: ccw: add traceponits for interesting error paths

 drivers/s390/cio/Makefile         |   1 +
 drivers/s390/cio/vfio_ccw_cp.c    | 134 ++++++++++++++++++++------------------
 drivers/s390/cio/vfio_ccw_fsm.c   |  16 ++++-
 drivers/s390/cio/vfio_ccw_trace.h |  77 ++++++++++++++++++++++
 4 files changed, 164 insertions(+), 64 deletions(-)
 create mode 100644 drivers/s390/cio/vfio_ccw_trace.h

-- 
2.13.5