netdev - Re: [PATCH bpf-next v3 4/7] tools/bpf: add ksym_get_addr() in trace

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Message-ID: <20180523171617.ykqgskclpydm5dfh@kafai-mbp>
Date:   Wed, 23 May 2018 10:16:19 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     Yonghong Song <yhs@...com>
CC:     <peterz@...radead.org>, <ast@...com>, <daniel@...earbox.net>,
        <netdev@...r.kernel.org>, <kernel-team@...com>
Subject: Re: [PATCH bpf-next v3 4/7] tools/bpf: add ksym_get_addr() in
 trace_helpers

On Tue, May 22, 2018 at 09:30:48AM -0700, Yonghong Song wrote:
> Given a kernel function name, ksym_get_addr() will return the kernel
> address for this function, or 0 if it cannot find this function name
> in /proc/kallsyms. This function will be used later when a kernel
> address is used to initiate a kprobe perf event.
> 
> Signed-off-by: Yonghong Song <yhs@...com>
Acked-by: Martin KaFai Lau <kafai@...com>