Re: [PATCH bpf-next] kallsyms: Disable preemption for find_kallsyms_symbol_value
From: patchwork-bot+netdevbpf
Date: Tue Apr 04 2023 - 20:20:22 EST
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:
On Tue, 4 Apr 2023 00:02:54 +0200 you wrote:
> Artem reported suspicious RCU usage [1]. The reason is that verifier
> calls find_kallsyms_symbol_value with preemption enabled which will
> trigger suspicious RCU usage warning in rcu_dereference_sched call.
>
> Disabling preemption in find_kallsyms_symbol_value and adding
> __find_kallsyms_symbol_value function.
>
> [...]
Here is the summary with links:
- [bpf-next] kallsyms: Disable preemption for find_kallsyms_symbol_value
https://git.kernel.org/bpf/bpf-next/c/d099f594ad56
You are awesome, thank you!
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