From: patchwork-bot+netdevbpf@kernel.org
To: Jordan Rome <jordalgo@meta.com>
Cc: bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net,
andrii@kernel.org, martin.lau@kernel.org, kernel-team@fb.com
Subject: Re: [PATCH v2 bpf-next] bpf: add crosstask check to __bpf_get_stack
Date: Fri, 10 Nov 2023 19:10:25 +0000 [thread overview]
Message-ID: <169964342509.26701.16290991235531133661.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20231108112334.3433136-1-jordalgo@meta.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:
On Wed, 8 Nov 2023 03:23:34 -0800 you wrote:
> Currently get_perf_callchain only supports user stack walking for
> the current task. Passing the correct *crosstask* param will return
> 0 frames if the task passed to __bpf_get_stack isn't the current
> one instead of a single incorrect frame/address. This change
> passes the correct *crosstask* param but also does a preemptive
> check in __bpf_get_stack if the task is current and returns
> -EOPNOTSUPP if it is not.
>
> [...]
Here is the summary with links:
- [v2,bpf-next] bpf: add crosstask check to __bpf_get_stack
https://git.kernel.org/bpf/bpf-next/c/b8e3a87a627b
You are awesome, thank you!
--
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prev parent reply other threads:[~2023-11-10 19:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-08 11:23 [PATCH v2 bpf-next] bpf: add crosstask check to __bpf_get_stack Jordan Rome
2023-11-10 19:10 ` patchwork-bot+netdevbpf [this message]
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