From: Yonghong Song <yonghong.song@linux.dev>
To: Chuyi Zhou <zhouchuyi@bytedance.com>, bpf@vger.kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@kernel.org
Subject: Re: [PATCH bpf 2/2] selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly
Date: Mon, 6 Nov 2023 10:35:41 -0800 [thread overview]
Message-ID: <0b1fe7ca-158a-4ec8-976e-aae090f3ad57@linux.dev> (raw)
In-Reply-To: <20231105133458.1315620-3-zhouchuyi@bytedance.com>
On 11/5/23 5:34 AM, Chuyi Zhou wrote:
> Commit f49843afde (selftests/bpf: Add tests for css_task iter combining
> with cgroup iter) added a test which demonstrates how css_task iter can be
> combined with cgroup iter. That test used bpf_cgroup_from_id() to convert
> bpf_iter__cgroup->cgroup to a trusted ptr which is pointless now, since
> with the previous fix, we can get a trusted cgroup directly from
> bpf_iter__cgroup.
>
> Signed-off-by: Chuyi Zhou <zhouchuyi@bytedance.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
prev parent reply other threads:[~2023-11-06 18:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-05 13:34 [PATCH bpf 0/2] Let BPF verifier consider {task,cgroup} is trusted in bpf_iter_reg Chuyi Zhou
2023-11-05 13:34 ` [PATCH bpf 1/2] bpf: Let " Chuyi Zhou
2023-11-06 18:26 ` Yonghong Song
2023-11-07 2:23 ` Chuyi Zhou
2023-11-06 18:29 ` Martin KaFai Lau
2023-11-07 2:44 ` Chuyi Zhou
2023-11-07 6:52 ` Yonghong Song
2023-11-07 6:54 ` [External] " Chuyi Zhou
2023-11-05 13:34 ` [PATCH bpf 2/2] selftests/bpf: get trusted cgrp from bpf_iter__cgroup directly Chuyi Zhou
2023-11-06 18:35 ` Yonghong Song [this message]
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