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

From: Robin Murphy
Date: Thu Sep 28 2017 - 12:59:21 EST


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