linux-kernel - Re: [PATCH bpf-next v3 2/5] tracing/kprobe: bpf: Compare instruction pointer with original one

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Date:   Wed, 10 Jan 2018 10:24:37 -0500
From:   Josef Bacik <josef@...icpanda.com>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Alexei Starovoitov <ast@...com>, Josef Bacik <jbacik@...com>,
        rostedt@...dmis.org, mingo@...hat.com, davem@...emloft.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        ast@...nel.org, kernel-team@...com, daniel@...earbox.net,
        linux-btrfs@...r.kernel.org, darrick.wong@...cle.com,
        Josef Bacik <josef@...icpanda.com>,
        Akinobu Mita <akinobu.mita@...il.com>
Subject: Re: [PATCH bpf-next v3 2/5] tracing/kprobe: bpf: Compare instruction
 pointer with original one

On Wed, Jan 10, 2018 at 07:17:35PM +0900, Masami Hiramatsu wrote:
> Compare instruction pointer with original one on the
> stack instead using per-cpu bpf_kprobe_override flag.
> 
> This patch also consolidates reset_current_kprobe() and
> preempt_enable_no_resched() blocks. Those can be done
> in one place.
> 
> Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>

Reviewed-by: Josef Bacik <jbacik@...com>

Thanks,

Josef