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SubjectRe: [PATCH v4 0/4] vfio: ccw: error handling fixes and improvements
On Wed, 23 May 2018 04:56:41 +0200
Dong Jia Shi <bjsdjshi@linux.ibm.com> wrote:

> Dear Reviewers,
>
> Here is a new version for this patch series.
>
> We didn't get agreement on patch #4 (#5 in v2) in the former cycle though,
> I made it based on my understanding. We can continue discussing on it.

I'll probably go ahead and queue 1-3 (would not mind r-bs, though) in
any case.

I hope we can queue the tracing patch as well, as any tracing beats no
tracing :)

>
> Changelog:
> v3->v4:
> - Change mail address from @linux.vnet.ibm.com to @linux.ibm.com
>
> v2->v3:
> - #2. Reworded comment message.
> - #4. Trace failure only, trace all error path, and a common knob for all
> failure paths.
>
> 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 (1):
> vfio: ccw: add traceponits for interesting error paths
>
> drivers/s390/cio/Makefile | 1 +
> drivers/s390/cio/vfio_ccw_cp.c | 121 +++++++++++++++++++-------------------
> drivers/s390/cio/vfio_ccw_fsm.c | 17 +++++-
> drivers/s390/cio/vfio_ccw_trace.h | 54 +++++++++++++++++
> 4 files changed, 130 insertions(+), 63 deletions(-)
> create mode 100644 drivers/s390/cio/vfio_ccw_trace.h
>

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