[dpdk-dev] [PATCH v3 4/4] eal: fix end character check in --lcores argument

Thomas Monjalon thomas.monjalon at 6wind.com
Tue Aug 2 12:45:03 CEST 2016


2016-08-02 08:22, Dai, Wei:
> Hi, Thomas, Yigit
> 
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> > 2016-07-28 16:26, Ferruh Yigit:
> > > On 7/27/2016 12:27 PM, Wei Dai wrote:
> > > > With --lcores 'a-b at c-d', eal_parse_cores() fails because
> > > > eal_parse_set() fails due to the next character after lcore set a-b,
> > > > which is '@'and not ',' or '\0'.
> > > > There is also a right check immediately after this incorrect check.
> > > >
> > > > Fixes: 53e54bf81700 ("eal: new option --lcores for cpu assignment")
> > > >
> > > > Signed-off-by: Wei Dai <wei.dai at intel.com>
> > >
> > > I am not sure if a-b at c-d syntax should be supported. (a-b)@(c-d) is
> > > supported and already working.
> > 
> > Agreed.
> > 
> > Series applied, except this last patch 4, thanks
> 
> Sorry, I can't find any document to clarify whether a-b at c-d shoule be supported.
> So I design following case to verify all kinds of combination of - and @. 
> I tested my patch with --lcores '0-3 at 12-15, 4-7@(8-11),  (8-11)@4-7, (12-15)@(0-3), 16-19, (20-23) ',

OK. So do you agree we can discard this patch and forget this syntax?


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