[CRIU] [RFC] net: netlink -- Add waiting for RX fillup

Cyrill Gorcunov gorcunov at gmail.com
Wed Aug 6 14:03:43 PDT 2014


On Thu, Aug 07, 2014 at 12:59:10AM +0400, Andrew Vagin wrote:
> On Wed, Aug 06, 2014 at 11:57:45PM +0400, Cyrill Gorcunov wrote:
> > In case if RX buffer of netlink socket is receiving data
> > when we're trying to dump it, the CRIU will refuse to
> > proceed simply because we can't fetch the data which
> > is placed that deep inside kernel code without modifying
> > kernel itself. Lets try to wait until receiving is complete,
> > if it takes too long -- exit out with error.
> 
> I think this patch doesn't work. All processes are frozen in this
> moment, so we will wait forever.

Yeah, drop it.


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