From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C17CC10F14 for ; Fri, 12 Apr 2019 22:00:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E96E7218A3 for ; Fri, 12 Apr 2019 22:00:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="HwKdVsjZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727298AbfDLWAW (ORCPT ); Fri, 12 Apr 2019 18:00:22 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:37341 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727287AbfDLWAU (ORCPT ); Fri, 12 Apr 2019 18:00:20 -0400 Received: by mail-wm1-f66.google.com with SMTP id v14so12644705wmf.2 for ; Fri, 12 Apr 2019 15:00:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=netronome-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Pi+jMPgfzj2fBkAwzCkG0vyOGnD4cZfJGlYpVzkjSMY=; b=HwKdVsjZ+lKkcdRiB7Sd+PAgUvTf9Ik/ylIbnc9ioyPXpFQZ58fK0VEHrj0HC4Gh9M 3V7ZhulYxqUA8PKA3vgJhhMKRYGYWfde06D1ZdY9bfn1b2L2bAYhN+300Lga1fwtm/8h eDD5I9HluoqXq8ne14lJ/CRo+VVfA+nR5hDYXvMmGtsEAHzFmY4x0GCB/KZRYz2QD65M rAQUByulZq6V9Q/PrQ4fesAP81q/MZOLC10OCUNi9bMd01ZCoF3+UpQs/SNlTP0iwcgu 9hD+d+M35MFHf5vCXycIWDvrjKGHvawTnr/uZR7hevXcPbpm15rRpw7FRzxX5J4qkY3h Q2dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Pi+jMPgfzj2fBkAwzCkG0vyOGnD4cZfJGlYpVzkjSMY=; b=mJUGo2sHoFNzJkDp5y0qb5bzZDNftuwxSx6T7LC/8bwlFJ1PqOSa25jfqvogWg2xT5 jPWnd40zjiouw3Fe4b6sOzQBU0O3PG8b4M6q6xMrBCAg4p92riRF8IJN2q0/U0KSti2D nGkEuelJUusgIaWrhRoLgLYIkkhlZ6RY+zzX5ni8rMgpd0e3JQVTLjGv4qePwLZBuYgm WCkrsSiLnePSu7qtSaxkY3571PKPmOsuA0bmwWUv7JPzqW6KNC66FTLjUcWKRbgnpRkR Td7uJBeFJZVR0JfgEvW4U8ApopJWBC/luEPicwt8/NMyJ5DH6w/A47sIiosw8dGWvFKi dG/Q== X-Gm-Message-State: APjAAAWPL3p6kyWdZ7RJsauBcH0Nb84vJ4doIekQUrvDP+4g77JdG9d4 tICBFaRIVsLYSHiA0ruZX6pITQ== X-Google-Smtp-Source: APXvYqyLyRHzjd9TagkWVLihgtpSoDoJ9UIdJAxZAMG91CJi5vc5zuovv2Y90ro7onQq+SuTM/zaRw== X-Received: by 2002:a1c:988d:: with SMTP id a135mr13692229wme.24.1555106419277; Fri, 12 Apr 2019 15:00:19 -0700 (PDT) Received: from cbtest28.netronome.com ([217.38.71.146]) by smtp.gmail.com with ESMTPSA id f1sm8490764wml.28.2019.04.12.15.00.18 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 12 Apr 2019 15:00:18 -0700 (PDT) From: Jiong Wang To: alexei.starovoitov@gmail.com, daniel@iogearbox.net Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, oss-drivers@netronome.com, Jiong Wang , "David S . Miller" Subject: [PATCH v3 bpf-next 16/19] sparc: bpf: eliminate zero extension code-gen Date: Fri, 12 Apr 2019 22:59:49 +0100 Message-Id: <1555106392-20117-17-git-send-email-jiong.wang@netronome.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1555106392-20117-1-git-send-email-jiong.wang@netronome.com> References: <1555106392-20117-1-git-send-email-jiong.wang@netronome.com> Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Cc: David S. Miller Signed-off-by: Jiong Wang --- arch/sparc/net/bpf_jit_comp_64.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c index 65428e7..e58f84e 100644 --- a/arch/sparc/net/bpf_jit_comp_64.c +++ b/arch/sparc/net/bpf_jit_comp_64.c @@ -1144,7 +1144,8 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) break; do_alu32_trunc: - if (BPF_CLASS(code) == BPF_ALU) + if (BPF_CLASS(code) == BPF_ALU && + ctx->prog->aux->no_verifier_zext) emit_alu_K(SRL, dst, 0, ctx); break; @@ -1432,6 +1433,11 @@ static void jit_fill_hole(void *area, unsigned int size) *ptr++ = 0x91d02005; /* ta 5 */ } +bool bpf_jit_hardware_zext(void) +{ + return false; +} + struct sparc64_jit_data { struct bpf_binary_header *header; u8 *image; -- 2.7.4