lkml.org 
[lkml]   [2012]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] IPC: message queue stealing feature introduced
05.04.2012 03:12, Andrew Morton пишет:
>
> I'd be a bit more comfortable if there was some sign that other c/r
> developers have reviewed and tested this and have successfully used it
> in c/r operation testing?
>

We have a user-space test (part of our regression testing test suite) for this
functionality. Thus we run this test very ofter.

> We've been trying to isolate the c/r-specific functions inside #ifdef
> CONFIG_CHECKPOINT_RESTORE, but this patch doesn't do that. I have been
> encouraging this isolation so that people who aren't using c/r don't
> have to carry the overhead it adds and so that we can more easily hunt
> down and remove everything if the entire c/r project doesn't work out
> successfully.
>

Sorry. I'll add this ifdef's and send rebased patch set once more.

> This patch modifies the sys_msgrcv() API and so we should update the
> manpage for that syscall. Please work with Michael on this.
>

Sure.

> What does all the compat fiddling actually do? I guess it's needed for
> checkpoint and restore of 32-bit userspace on 64-bit kernels? Does c/r
> as a whole support that? It should. How well tested is this?
>

CRIU doesn't support 32-bit processes migration yet. But we are going to add
this support in future.

--
Best regards,
Stanislav Kinsbursky
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2012-04-05 12:57    [W:0.320 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site