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SubjectRe: [PATCH v12 00/18] Enable FSGSBASE instructions
On Thu, May 28, 2020 at 10:19:10PM +0300, Jarkko Sakkinen wrote:
>On Thu, May 28, 2020 at 01:40:16PM -0400, Don Porter wrote:
>> Hi Thomas,
>> On 5/28/20 6:29 AM, Thomas Gleixner wrote:
>> > > Until recently, we were doing proof-of-concept research, not product
>> > > development, and there are limited hours in the day. I also hasten to
>> > > say that the product of research is an article, the software artifact
>> > > serves as documentation of the experiment. In contrast, the product of
>> > > software development is software. It takes significant time and effort
>> > > to convert one to the other. Upstreaming code is of little scientific
>> > > interest. But things have changed for our project; we had no users in
>> > > 2015 and we are now un-cutting corners that are appropriate for research
>> > > but inappropriate for production. For a research artifact with an
>> > > audience that knew the risks, we shipped a module because it was easier
>> > > to maintain and install than a kernel patch.
>> >
>> > I understand that and with a big fat warning and documentation from
>> > start I wouldn't have complained so vehemently.
>> This is a fair point. We will fix this ASAP, and I will be more careful
>> about this going forward.
>Are you going to experiment with this patch set and Graphene? Just
>sanity checking so that I don't unnecessarily do duplicate work.
>I ignored most of the discussion since I came here only with the
>motivation of testing Graphene together with this patch set. I'm
>assuming that motivation is always good no matter which angle you come
>from. Thus, I might have missed the part I'm asking.

This series was heavily tested with Graphene-like workloads.


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