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Re: [Xen-devel] [PATCH v4 10/16] osstest: add support for runtime_IDENT_hostflags

Roger Pau Monne writes ("Re: [PATCH v4 10/16] osstest: add support for 
> On Thu, Jul 06, 2017 at 04:28:09PM +0100, Ian Jackson wrote:
> > I like the implied interface better than the one which implicitly
> > overwrites all previous runtime hostflags.
> Right.
> > Should set_runtime_hostflag take a $ho, instead ?  Can you ever see us
> > using it without a $ho ?  If not then it probably should.
> I'm sorry but I don't follow. I'm not sure how I'm supposed to use the
> $ho parameter, neither get_hostflags or store_runvar take such a
> parameter. From the text above I thought that you wanted something
> like:

You can get $ident from $ho->{Ident}.

> sub set_runtime_hostflag ($$) {
>     my ($ident,$value) = @_;
>     $value .= ','.get_runvar_default("runtime_${ident}_hostflags", $job, '');
>     store_runvar("runtime_${ident}_hostflags", $value);
> }
> But I'm not sure.

Yes, something like that, only taking $ho rather than $ident.

Also your proposed computation is slightly wrong in that it will
produce   ,FLAG

I would use split and join.


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