Re: [uml-devel] Re: [RFC] PATCH 0/4 - Time virtualization

[Blaisorblade]

On Wednesday 26 April 2006 20:01, Jeff Dike wrote:
> On Wed, Apr 19, 2006 at 02:25:00AM -0600, Eric W. Biederman wrote:

> > In the case of migration the ugly case to properly handle is the
> > monotonic timer.   That needs an offset yet it is absolutely forbidden
> > to provide that offset from the inside.  So this is the one namespace
> > that I think is inappropriate to use sys_unshare to create.
> > We need a system call so that we can specify the minimum or the
> > starting monotonic time base.

> For migration, it looks like the container will have to specify the
> time base at creation so that everything in it will have a consistent
> view of time if they get moved around.

> So, maybe it belongs in clone as a "backwards" flag similar to
> CLONE_NEWNS.

I must note that currently every (?) flag allowed for unshare is also allowed 
for clone, so you need to do that anyway.

-- 
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Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
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