linux-kernel - Re: [PATCH bpf-next v2] bpf: support raw tracepoints in modules

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Message-ID: <20181218221249.d4jpktn2wezyyyc2@ast-mbp>
Date:   Tue, 18 Dec 2018 14:12:51 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Matt Mullins <mmullins@...com>
Cc:     ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        kernel-team@...com, Jessica Yu <jeyu@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next v2] bpf: support raw tracepoints in modules

On Wed, Dec 12, 2018 at 04:42:37PM -0800, Matt Mullins wrote:
> Distributions build drivers as modules, including network and filesystem
> drivers which export numerous tracepoints.  This enables
> bpf(BPF_RAW_TRACEPOINT_OPEN) to attach to those tracepoints.
> 
> Signed-off-by: Matt Mullins <mmullins@...com>
> ---
> v1->v2:
>   * avoid taking the mutex in bpf_event_notify when op is neither COMING nor
>     GOING.
>   * check that kzalloc actually succeeded

Applied, Thanks