linux-kernel - Re: [PATCH bpf-next v6 2/2] selftests/bpf: test the jited inline of bpf_get_current

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Message-ID: <bac96afe1a99c6a12cd85285c677f4eedcada066.camel@gmail.com>
Date: Tue, 20 Jan 2026 17:32:49 -0800
From: Eduard Zingerman <eddyz87@...il.com>
To: Menglong Dong <menglong.dong@...ux.dev>, Menglong Dong
	 <menglong8.dong@...il.com>, Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc: ast@...nel.org, davem@...emloft.net, dsahern@...nel.org,
 daniel@...earbox.net, 	andrii@...nel.org, martin.lau@...ux.dev,
 song@...nel.org, yonghong.song@...ux.dev, 	john.fastabend@...il.com,
 kpsingh@...nel.org, sdf@...ichev.me, haoluo@...gle.com, 	jolsa@...nel.org,
 tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, 
	dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
 netdev@...r.kernel.org, 	bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next v6 2/2] selftests/bpf: test the jited inline of
 bpf_get_current_task

On Wed, 2026-01-21 at 09:28 +0800, Menglong Dong wrote:

[...]

> Do you mean that the CI of arm64 doesn't use LLVM for the selftests?
> I noted that. I found that there are other similar "__jited" testings for
> arm64, is there anything we can do?
> 
> PS: I tested the arm64 locally, and it works fine.
> 
> > 
> > So we should do something about silently skipped tests at least...
> 
> Like a warning?

Yes, probably llvm-devel or libs dependency is missing,
hence jit related selftests are skipped. Same thing for x86.
Discussed with Andrii making llvm an opt-out dependency:
fail selftests compilation if libraries are not found and SKIP_LLVM is not set.
We plan to address CI config issue tomorrow.

[...]