From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753175AbdJSMPG (ORCPT ); Thu, 19 Oct 2017 08:15:06 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:48804 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752962AbdJSMPE (ORCPT ); Thu, 19 Oct 2017 08:15:04 -0400 Date: Thu, 19 Oct 2017 13:14:46 +0100 (WEST) Message-Id: <20171019.131446.1318832753285984633.davem@davemloft.net> To: daniel@iogearbox.net Cc: tj@kernel.org, ast@kernel.org, john.fastabend@gmail.com, mark.rutland@arm.com, richard@nod.at, sp3485@columbia.edu, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH net 0/3] Fix for BPF devmap percpu allocation splat From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.7 on Emacs 25.3 / 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]); Thu, 19 Oct 2017 05:15:04 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Daniel Borkmann Date: Tue, 17 Oct 2017 16:55:51 +0200 > The set fixes a splat in devmap percpu allocation when we alloc > the flush bitmap. Patch 1 is a prerequisite for the fix in patch 2, > patch 1 is rather small, so if this could be routed via -net, for > example, with Tejun's Ack that would be good. Patch 3 gets rid of > remaining PCPU_MIN_UNIT_SIZE checks, which are percpu allocator > internals and should not be used. Series applied.