linux-kernel - Re: [PATCH v2] bpf: grab rcu read lock for bpf_percpu_hash

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Message-ID: <20160219185624.GA94654@ast-mbp.thefacebook.com>
Date:	Fri, 19 Feb 2016 10:56:25 -0800
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	ast@...nel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH v2] bpf: grab rcu read lock for bpf_percpu_hash_update

On Fri, Feb 19, 2016 at 01:53:10PM -0500, Sasha Levin wrote:
> bpf_percpu_hash_update() expects rcu lock to be held and warns if it's not,
> which pointed out a missing rcu read lock.
> 
> Fixes: 15a07b338 ("bpf: add lookup/update support for per-cpu hash and array maps")
> Signed-off-by: Sasha Levin <sasha.levin@...cle.com>

thank you.
Acked-by: Alexei Starovoitov <ast@...nel.org>