Re: [PATCH 0/4] selftests/bpf: impose global ordering for test decl_tags

[Eduard Zingerman <eddyz87@gmail.com>]

On Thu, 2026-03-26 at 10:39 -0700, Eduard Zingerman wrote:
> Impose global ordering for all decl tags used by test_loader.c based
> tests: __success, __failure, __msg, etc. The tags are now sorted by
> testing framework to be processed in the same order they appear in the
> C source code of the test.
> 
> The ordering is necessary for gcc-bpf. Neither GCC nor the C standard
> defines the order in which function attributes are consumed.
> While Clang tends to preserve tags definition order in the output BTF,
> GCC does not. This inconsistency causes BPF tests with multiple __msg
> entries to fail when compiled with GCC.
> 
> This is based on a patch [1] from Cupertino Miranda (see patch #3) and
> includes some additional cleanups for test_loader.c decl tags
> declaration and processing (see patches #1, #2, #4).
> 
> [1] https://lore.kernel.org/bpf/20260305130035.192080-1-cupertino.miranda@oracle.com/
> 
> ---

I did not specify the bpf-next tag :(
Will wait a bit and resend.