From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Cc: bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@kernel.org>,
Dave Marchevsky <davemarchevsky@meta.com>,
Yonghong Song <yhs@meta.com>
Subject: Re: [PATCH bpf-next v10 24/24] selftests/bpf: Temporarily disable linked list tests
Date: Tue, 22 Nov 2022 09:24:07 -0800 [thread overview]
Message-ID: <CAADnVQ+RnGA8_=29rbJr8vKCTiriMmfTKVZpYtSL=rgED9o0xQ@mail.gmail.com> (raw)
In-Reply-To: <20221118015614.2013203-25-memxor@gmail.com>
On Thu, Nov 17, 2022 at 5:57 PM Kumar Kartikeya Dwivedi
<memxor@gmail.com> wrote:
>
> The latest clang nightly as of writing crashes with the given test case
> for BPF linked lists wherever global glock, ghead, glock2 are used,
> hence comment out the parts that cause the crash, and prepare this commit
> so that it can be reverted when the fix has been made. More context in [0].
>
> [0]: https://lore.kernel.org/bpf/d56223f9-483e-fbc1-4564-44c0858a1e3e@meta.com
>
> Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Hi All,
While looking at Dave's llvm fix I realized that there is a
trivial workaround.
So I've reverted this commit and pushed a workaround:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=59b9bdd725bc39a1e1a408a6aaffce8fdfd44366
next prev parent reply other threads:[~2022-11-22 17:24 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-18 1:55 [PATCH bpf-next v10 00/24] Allocated objects, BPF linked lists Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 01/24] bpf: Fix early return in map_check_btf Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 02/24] bpf: Do btf_record_free outside map_free callback Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 03/24] bpf: Free inner_map_meta when btf_record_dup fails Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 04/24] bpf: Populate field_offs for inner_map_meta Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 05/24] bpf: Introduce allocated objects support Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 06/24] bpf: Recognize lock and list fields in allocated objects Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 07/24] bpf: Verify ownership relationships for user BTF types Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 08/24] bpf: Allow locking bpf_spin_lock in allocated objects Kumar Kartikeya Dwivedi
2022-11-18 1:55 ` [PATCH bpf-next v10 09/24] bpf: Allow locking bpf_spin_lock global variables Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 10/24] bpf: Allow locking bpf_spin_lock in inner map values Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 11/24] bpf: Rewrite kfunc argument handling Kumar Kartikeya Dwivedi
2022-11-18 3:34 ` Alexei Starovoitov
2022-11-18 10:37 ` Kumar Kartikeya Dwivedi
2022-11-18 18:02 ` Alexei Starovoitov
2022-11-18 19:00 ` Kumar Kartikeya Dwivedi
2022-11-18 18:08 ` Alexei Starovoitov
2022-11-18 19:40 ` David Vernet
2022-11-20 19:25 ` Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 12/24] bpf: Support constant scalar arguments for kfuncs Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 13/24] bpf: Introduce bpf_obj_new Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 14/24] bpf: Introduce bpf_obj_drop Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 15/24] bpf: Permit NULL checking pointer with non-zero fixed offset Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 16/24] bpf: Introduce single ownership BPF linked list API Kumar Kartikeya Dwivedi
2022-11-21 18:34 ` Nathan Chancellor
2022-11-18 1:56 ` [PATCH bpf-next v10 17/24] bpf: Add 'release on unlock' logic for bpf_list_push_{front,back} Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 18/24] bpf: Add comments for map BTF matching requirement for bpf_list_head Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 19/24] selftests/bpf: Add __contains macro to bpf_experimental.h Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 20/24] selftests/bpf: Update spinlock selftest Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 21/24] selftests/bpf: Add failure test cases for spin lock pairing Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 22/24] selftests/bpf: Add BPF linked list API tests Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 23/24] selftests/bpf: Add BTF sanity tests Kumar Kartikeya Dwivedi
2022-11-18 1:56 ` [PATCH bpf-next v10 24/24] selftests/bpf: Temporarily disable linked list tests Kumar Kartikeya Dwivedi
2022-11-22 17:24 ` Alexei Starovoitov [this message]
2022-11-18 3:40 ` [PATCH bpf-next v10 00/24] Allocated objects, BPF linked lists patchwork-bot+netdevbpf
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