From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993450AbcBSTlu (ORCPT ); Fri, 19 Feb 2016 14:41:50 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:37103 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946006AbcBSTlt (ORCPT ); Fri, 19 Feb 2016 14:41:49 -0500 Date: Fri, 19 Feb 2016 14:41:47 -0500 (EST) Message-Id: <20160219.144147.2294845693331071229.davem@davemloft.net> To: sasha.levin@oracle.com Cc: ast@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] bpf: grab rcu read lock for bpf_percpu_hash_update From: David Miller In-Reply-To: <1455907990-22250-1-git-send-email-sasha.levin@oracle.com> References: <1455907990-22250-1-git-send-email-sasha.levin@oracle.com> X-Mailer: Mew version 6.6 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 19 Feb 2016 11:41:48 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sasha Levin Date: Fri, 19 Feb 2016 13:53:10 -0500 > 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 Applied, thanks.