From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760878Ab2C3OI1 (ORCPT ); Fri, 30 Mar 2012 10:08:27 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:33390 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759401Ab2C3OIU (ORCPT ); Fri, 30 Mar 2012 10:08:20 -0400 Subject: Re: [REGRESSION][PATCH] bpf_jit drops the ball on indirect negative mem references From: Eric Dumazet To: Jan Seiffert Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, "David S. Miller" , Matt Evans In-Reply-To: <4F75B828.3090705@googlemail.com> References: <1332965129.2325.12.camel@edumazet-glaptop> <1332967172.2325.22.camel@edumazet-glaptop> <4F744D58.3070009@googlemail.com> <1333098711.19659.9.camel@edumazet-laptop> <4F75B828.3090705@googlemail.com> Content-Type: text/plain; charset="UTF-8" Date: Fri, 30 Mar 2012 16:08:13 +0200 Message-ID: <1333116493.2325.2125.camel@edumazet-glaptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2012-03-30 at 15:42 +0200, Jan Seiffert wrote: > Do you know where i can ping the powerpc guys a little bit harder? maybe using CC linux-arch@vger.kernel.org One way to handle that would be to split this patch in 3 parts, so that I can Ack the non ppc part. [1] introduce bpf_internal_load_pointer_neg_helper() [BTW no need to EXPORT_SYMBOL it, since jit is not a module ] [2] x86_bpf_iit: handle negative offsets in loads [3] ppc_bpf_jit: handle negative offsets in loads