Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling

From	Robin Murphy <robin.murphy@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling
Date	2017-09-28 19:00 +0200
Message-ID	<uuKkh-2Zx-15@gated-at.bofh.it> (permalink)
References	<uuHPs-1Bi-3@gated-at.bofh.it> <uuJHA-2JP-9@gated-at.bofh.it> <uuJRf-2NO-5@gated-at.bofh.it>
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On 28/09/17 14:29, Raj, Ashok wrote:
> Hi Casey
> 
> On Thu, Sep 28, 2017 at 04:17:59PM +0000, Casey Leedom wrote:
>>   Thanks Robin.  Harsh can certainly test your latest patch as soon as he's
>> back in the office tomorrow morning India time.  If your patch works and is
>> accepted, it sounds like the commit would be important enough to consider
>> backporting into various Long-Term Support releases and the affected
>> distributions.  What's the procedure for nominating a commit for LTS inclusion?

I tend to leave stable decisions up to Joerg as the subsystem
maintainer, particularly when it's code outside my usual areas of
familiarity. FWIW, from a real dig through the history, the fragile
logic seems to date from the 2.6 days, having snuck in with b536d24d212c
("intel-iommu: Clean up intel_map_sg(), remove domain_page_mapping()")

> its documented in Documentation/process/submitting-patches
> 
> I didn't see a new patch fly by.. Robin, could you send that over?

I hope our email server hasn't got blacklisted again... Said patch is
the top of this very thread we're replying on[1] - you were definitely
on cc :(

Robin.

[1]:https://lists.linuxfoundation.org/pipermail/iommu/2017-September/024371.html

Thread

[PATCH] iommu/vt-d: Fix scatterlist offset handling Robin Murphy <robin.murphy@arm.com> - 2017-09-28 16:20 +0200
  Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling Casey Leedom <leedom@chelsio.com> - 2017-09-28 18:20 +0200
    Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling "Raj, Ashok" <ashok.raj@intel.com> - 2017-09-28 18:30 +0200
      Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling Robin Murphy <robin.murphy@arm.com> - 2017-09-28 19:00 +0200
        Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling "Raj, Ashok" <ashok.raj@intel.com> - 2017-09-28 20:40 +0200
  Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling Harsh Jain <Harsh@chelsio.com> - 2017-09-29 10:20 +0200
    Re: [PATCH] iommu/vt-d: Fix scatterlist offset handling Casey Leedom <leedom@chelsio.com> - 2017-09-29 18:20 +0200

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