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

["Kinsella, Ray" <mdr@ashroe.eu>]

On 13/04/2021 17:44, Thomas Monjalon wrote:
> 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?
> 

That would be tidier - I will take a look.