Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423189AbbD2NiI (ORCPT ); Wed, 29 Apr 2015 09:38:08 -0400 Received: from smtp3-g21.free.fr ([212.27.42.3]:37488 "EHLO smtp3-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423043AbbD2NiG (ORCPT ); Wed, 29 Apr 2015 09:38:06 -0400 From: Nicolas Schichan To: Russell King , "David S. Miller" , Daniel Borkmann , Nicolas Schichan , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] ARM: net: add JIT support for loads from struct seccomp_data. Date: Wed, 29 Apr 2015 15:37:36 +0200 Message-Id: <1430314657-2552-4-git-send-email-nschichan@freebox.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1430314657-2552-1-git-send-email-nschichan@freebox.fr> References: <1430314657-2552-1-git-send-email-nschichan@freebox.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1040 Lines: 34 Signed-off-by: Nicolas Schichan --- arch/arm/net/bpf_jit_32.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c index e1268f9..b5f470d 100644 --- a/arch/arm/net/bpf_jit_32.c +++ b/arch/arm/net/bpf_jit_32.c @@ -852,6 +852,16 @@ b_epilogue: off = offsetof(struct sk_buff, queue_mapping); emit(ARM_LDRH_I(r_A, r_skb, off), ctx); break; + case BPF_LDX | BPF_W | BPF_ABS: + /* + * load a 32bit word from struct seccomp_data. + * seccomp_check_filter() will already have checked + * that k is 32bit aligned and lies within the + * struct seccomp_data. + */ + ctx->seen |= SEEN_SKB; + emit(ARM_LDR_I(r_A, r_skb, k), ctx); + break; default: return -1; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/