Re: [dpdk-dev] [PATCH 09/14] eal: close mem config on cleanup

[Stephen Hemminger <stephen@networkplumber.org>]

On Mon, 27 Apr 2020 13:12:32 +0100
"Burakov, Anatoly" <anatoly.burakov@intel.com> wrote:

> On 04-Jan-20 1:33 AM, Stephen Hemminger wrote:
> > Resolves file descriptor left open after rte_eal_cleanup.
> > 
> > Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> > ---
> >   lib/librte_eal/linux/eal/eal.c | 6 ++++++
> >   1 file changed, 6 insertions(+)
> > 
> > diff --git a/lib/librte_eal/linux/eal/eal.c b/lib/librte_eal/linux/eal/eal.c
> > index 9ad81378f23c..e5c2a24322e9 100644
> > --- a/lib/librte_eal/linux/eal/eal.c
> > +++ b/lib/librte_eal/linux/eal/eal.c
> > @@ -1346,6 +1346,12 @@ rte_eal_cleanup(void)
> >   	rte_mp_channel_cleanup();
> >   	eal_cleanup_config(&internal_config);
> >   	rte_eal_log_cleanup();
> > +
> > +	if (mem_cfg_fd != -1) {
> > +		close(mem_cfg_fd);
> > +		mem_cfg_fd = -1;
> > +	}
> > +
> >   	return 0;
> >   }
> >   
> >   
> 
> For the patch,
> 
> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
> 
> However i think it's incomplete, as there are also memory-backing 
> fbarrays that are still mapped. Also, secondary processes have their own 
> shadow copies of the master page table located in the mem config, so 
> those should be destroyed on cleanup too.
> 

This patch set was targeting things in stages. It is not complete, some of the
cleanups would be hard to do. Just getting the obvious things first.