your comments and consideration,
Don Porter
On Sat, Nov 17, 2007 at 11:36:26PM -0600, Don Porter wrote:
> Thank you all for your consideration and insightful responses to my
> posting. I apologize for not responding sooner---I have been under a
> deadline.
>
> It seems clear that f
Thank you all for your consideration and insightful responses to my
posting. I apologize for not responding sooner---I have been under a
deadline.
It seems clear that further investigation will be needed to understand
these performance numbers better.
To summarize, I understand that the followin
From: Donald E. Porter <[EMAIL PROTECTED]>
In the bulk page allocation/free routines in mm/page_alloc.c, the zone
lock is held across all iterations. For certain parallel workloads, I
have found that releasing and reacquiring the lock for each iteration
yields better performance, especially at hi
On 5/29/20 11:27 AM, Wojtek Porczyk wrote:
On Thu, May 28, 2020 at 11:38:01AM -0700, Andy Lutomirski wrote:
One useful test for the actual kernel patches would be to run your SGX
workload on a loaded core. That is, do something like taskset -c
0 graphene_thing and, simultaneously, write a trivi
On 5/28/20 11:10 PM, Jarkko Sakkinen wrote:
On Fri, May 29, 2020 at 06:07:23AM +0300, Jarkko Sakkinen wrote:
Is there something then readily available to test such workload with SGX
enabled? Or should I go patching Graphene? Not sure what I should take
from that comment :-)
For me the main poi
On 5/26/20 6:51 PM, Sasha Levin wrote:
On Tue, May 26, 2020 at 06:03:35PM -0400, Don Porter wrote:
On 5/26/20 4:27 PM, Sasha Levin wrote:
I'm really worried about the disconnect between how you view the current
state of Graphene (and the industry) vs Intel and the various cloud
prov
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 e
Hi Thomas,
On 5/22/20 8:45 PM, Thomas Gleixner wrote:
Don,
Don Porter writes:
On 5/19/20 12:48 PM, Jarkko Sakkinen wrote:
On Tue, May 19, 2020 at 01:03:25AM +0200, Thomas Gleixner wrote:
That justifies to write books which recommend to load a kernel module
which creates a full
On 5/26/20 4:27 PM, Sasha Levin wrote:
On Tue, May 26, 2020 at 08:42:09AM -0400, Don Porter wrote:
On 5/22/20 8:45 PM, Thomas Gleixner wrote:
let me clarify, that despite your intentions:
- there is not a single word in any paper, slide deck, documentation
etc. which mentions that
easier to deprecate our module and just
use a robust, in-kernel implementation.
All the best,
Don Porter
Graphene Maintainer
https://grapheneproject.io/
On 6/25/20 5:37 PM, Jarkko Sakkinen wrote:
Can unmodified Graphene-SGX used with these changes?
Yes. I just double-checked that all of the needed changes have made it
to master branch.
I also re-tested on 5.8-rc1 with v13 of the patch, and it looks good.
On 6/20/20 11:59 AM, Andy Lutomirski wrote:
Hi Stas-
FSGSBASE support is queued up for Linux 5.9. Since you're one of the
more exotic users of segmentation on Linux, is there any chance you
could test it? The code is here:
https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/log/?h=
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