[ofa-general] Re: management/libibcommon

[Hal Rosenstock]

On 9/6/07, Sasha Khapyorsky <sashak at voltaire.com> wrote:
> On 18:24 Thu 06 Sep     , Sasha Khapyorsky wrote:
> > Hi Vlad,
> >
> > On 15:25 Thu 06 Sep     , Vladimir Sokolovsky wrote:
> > > > -----Original Message-----
> > > > From: Sasha Khapyorsky [mailto:sashak at voltaire.com]
> > > > Sent: Thursday, September 06, 2007 2:23 PM
> > > > To: OpenIB
> > > > Cc: Hal Rosenstock; Ira Weiny; Eitan Zahavi; Sean Hefty; Dotan Barak;
> > > > Vladimir Sokolovsky
> > > > Subject: management/libibcommon
> > > >
> > > > Hi All,
> > > >
> > > > Currently we have libibcommon library under OFA management project.
> > > > Partially it is used by libibumad and partially by libibmad and
> > > > infiniband-diags. The used things look pretty separate so I'm thinking
> > > > to strip libibcommon as whole library and its components over
> > > libibumad
> > > > and libibmad - this will remove extra dependency for libibumad.
> > > >
> > > > Anybody else (except management) uses libibcommon? Any comments,
> > > > objections?
> > > >
> > > > Sasha
> > >
> > > Hi Sasha,
> > > AFAIK, mvapich, srptools and ibutils use libibcommon.
> >
> > ibutils uses -libcommon for linking only because it is required by
> > libibumad.
> > srptools uses libibcommon directly, but mostly things which I wanted
> > to merge into libibumad, so should not be big problem there.
> > Didn't check mvapich yet.
>
> Hmm,
>
>  find mvapich-gen2 -type f | xargs egrep 'ibcommon|ibmad|ibumad'
>
> returns nothing. I'm not sure that mvapich can be affected. Do you know
> something about how/where libibcommon is used in mvapich?

Not sure about mvapich2 but I think it is the same as mvapich in this
regard. I think it uses libibumad via the SA client vendor API
(similar to osmtest in that regard).

-- Hal

>
> Sasha
>
> >
> > > In any case if you are going to remove libibcommon, then ofabuild and
> > > ofed_1_3_scripts should be updated as well.
> > > I will be in vacation from 10 Sep 2007 till 2 Oct 2007. Please update
> > > Tziporet Koren and Michael Tsirkin with your decisions.
> >
> > Anyway since libibcommon elimination touches couple of projects and
> > requires changes in ofed scripts I think it is not a great idea to do
> > it in last days before OFED-1.3 feature freeze. I will wait for
> > OFED-1.3 split.
> >
> > Sasha
>