Re: [dpdk-dev] [PATCH] devtools: skip removed DLB driver in ABI check

[Thomas Monjalon <thomas@monjalon.net>]

13/04/2021 18:09, Kinsella, Ray:
> On 13/04/2021 09:45, Thomas Monjalon wrote:
> > The eventdev driver DLB was removed in DPDK 21.05,
> > breaking the ABI check.
> > The exception was agreed so we just need to skip this check.
> > 
> > Note: complete removal of a driver cannot be ignored
> > in devtools/libabigail.abignore, so the script must be patched.
> > 
> > Fixes: 698fa829415d ("event/dlb: remove driver")
> > 
> > Reported-by: David Marchand <david.marchand@redhat.com>
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > ---
> > This should have been done as part of removing the driver.
> > The CI is currently broken, so it should be merged today.
> > ---
> >  devtools/check-abi.sh | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/devtools/check-abi.sh b/devtools/check-abi.sh
> > index 9835e346da..ca523eb94c 100755
> > --- a/devtools/check-abi.sh
> > +++ b/devtools/check-abi.sh
> > @@ -44,6 +44,10 @@ for dump in $(find $refdir -name "*.dump"); do
> >  		echo "Skipped glue library $name."
> >  		continue
> >  	fi
> > +	if grep -qE "\<soname='librte_event_dlb\.so" $dump; then
> > +		echo "Skipped removed driver $name."
> > +		continue
> > +	fi
> 
> So this is brute force fix - we can anticipate this problem happening again.
> Perhaps a 2nd file called devtools/libabigail.soignore, if agreed I will submit a patch?

Yes indeed we could have a file for this.
Maybe we could have a dedicated section [suppress_lib]
in the existing file if libabigail is OK with unknown sections?