netdev - Re: [PATCH bpf-next v4 0/3] Add kernel symbol for struct

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Message-ID: <677fac6c-e66d-4fba-a89a-982888209523@linux.dev>
Date: Tue, 12 Nov 2024 16:59:02 -0800
From: Martin KaFai Lau <martin.lau@...ux.dev>
To: Xu Kuohai <xukuohai@...weicloud.com>
Cc: Alexei Starovoitov <ast@...nel.org>,
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>,
 Eduard Zingerman <eddyz87@...il.com>, Yonghong Song
 <yonghong.song@...ux.dev>, Kui-Feng Lee <thinker.li@...il.com>,
 bpf@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v4 0/3] Add kernel symbol for struct_ops
 trampoline

On 11/12/24 6:58 AM, Xu Kuohai wrote:
> Add kernel symbol for struct_ops trampoline.
> 
> Without kernel symbol for struct_ops trampoline, the unwinder may
> produce unexpected stacktraces. For example, the x86 ORC and FP
> unwinder stops stacktrace on a struct_ops trampoline address since
> there is no kernel symbol for the address.

Reviewed-by: Martin KaFai Lau <martin.lau@...nel.org>