netdev - Re: [PATCH bpf 0/3] bpf: Make BPF trampoline friendly to ftrace

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Message-ID: <20191209184221.loxqkxlagbmpr5km@kafai-mbp>
Date:   Mon, 9 Dec 2019 18:42:25 +0000
From:   Martin Lau <kafai@...com>
To:     Alexei Starovoitov <ast@...nel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "rostedt@...dmis.org" <rostedt@...dmis.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "Kernel Team" <Kernel-team@...com>
Subject: Re: [PATCH bpf 0/3] bpf: Make BPF trampoline friendly to ftrace

On Sun, Dec 08, 2019 at 04:01:11PM -0800, Alexei Starovoitov wrote:
> Patch 1 - fix crash function_graph tracer encounters BPF trampoline
> Patch 2 - use register_ftrace_direct() API to attach BPF trampoline
> Patch 3 - simple test
> 
> Alexei Starovoitov (3):
>   ftrace: Fix function_graph tracer interaction with BPF trampoline
>   bpf: Make BPF trampoline use register_ftrace_direct() API
>   selftests/bpf: test function_graph tracer and bpf trampoline together
Acked-by: Martin KaFai Lau <kafai@...com>