[Bug default/26646] unexpected declaration-only types

dodji at redhat dot com sourceware-bugzilla@sourceware.org
Thu Feb 24 15:54:27 GMT 2022


https://sourceware.org/bugzilla/show_bug.cgi?id=26646

--- Comment #25 from dodji at redhat dot com ---
(In reply to gprocida from comment #24)
> Hi.
> 
> I ran some quick tests - the libabigail test suite and on the two kernels.

Thanks!

> Good
> 
> * vmlinux3 and vmlinux4 get ABIs which are the same, including
> declaration-only / fully-defined status
> * both have more fully-defined types than the previous iteration (around 9)
> * a Linux test case looks better (some declaration-only duplicates vanish)

Good to know.

> 
> Not so good
> 
> * struct can_dev_rcv_lists is now declaration-only (w.r.t. to the original
> baseline ABIs)
> * struct prefix_info too (w.r.t. an intermediate code version)

OK, I haven't analyzed this, is it sure that it was supposed to be fully
declared?

> * there is a test case regression (nmap)

OK, I think I have the reason for this. It seems to have been an unfortunate
patch that snuck into the tree.  I have removed it and re-push the branch.  You
can fetch it again and test.  This one should disappear.

If the regression disappears, I guess we can say that the current state is an
improvement.  If so, I'll clean-up and post the patches on the list, if you
agree.  Further investigation will continue after that.

Thanks.

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