Messages in this thread | | | Date | Thu, 05 Apr 2012 14:53:55 +0400 | From | Stanislav Kinsbursky <> | Subject | Re: [PATCH 2/2] IPC: message queue stealing feature introduced |
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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/
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