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,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 76391C10F0E for ; Mon, 15 Apr 2019 17:26:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 415902183F for ; Mon, 15 Apr 2019 17:26:57 +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="lmX9h9ZV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728010AbfDOR04 (ORCPT ); Mon, 15 Apr 2019 13:26:56 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:34753 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727998AbfDOR0v (ORCPT ); Mon, 15 Apr 2019 13:26:51 -0400 Received: by mail-wr1-f65.google.com with SMTP id p10so23030004wrq.1 for ; Mon, 15 Apr 2019 10:26:50 -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=lmX9h9ZV5BfsgW6Qbi07yWC0V78sfrm2KHsIxvSkbG+u8TJ8k2i3w8bEcN0+b4M2Ip Sr9OmNJk22Lj55iXqsugQZSsM00xFmhvjQsHRldxqFomrj/kiklZJtU2AuZaecOrVa1p 8MDx9PK0w2CG6PCk2SElIGMce7n7KN1Kv2lW4reQtZ/r9eaQwxWM0f0lSd/fR+2uhUsF PgGlHddb/o0nClxjDlXAgyqP6qNhuBaOE8AZtdRRpvGqmwym3MOf/ieffRSNCSlpvLyd PdiJ0owJApvTlCFI8kSUi6Dqe+vegvozOj1MNq/s8sReC9cN486Jzp+Q97avSRDOyHxn cKDA== 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=OvDhy3e7AJUkwX5U8MI65PLHV3igG0x8WaYwPvatnujdqNu35iw3/9wJaTfw5/BETK 7r2+eQWTwm+pShKnoCulCJ61sBKdSY7k2hI19esKgjjpiH2EpeKYcMSpLS2zgd3q+Ybo a2uBPx2fanvh4yZlm175iU3cFdYA25v2Tk/CqJ5rNPvyo1Aevs6gbQeNJSY0w63nuU36 HgXITllZkbjDRkhILEIFTB76XWSF9cn5cCiL/P6ff7C4SEYwM6/u18oUsRtS+8YvHsjr Ni+ZBlISH9tMslE2bpMjWVF6iC6jk00B+Cbh8GZMgw9tN97FSAk3osepWIvQsoqcrL74 y+Aw== X-Gm-Message-State: APjAAAU2C8Qbg49ojbqJb51LuP4Xe6lsn5lcrPgf906ITJS39BfgIcVI fpYKBC5lKMcVY+t0R0R31g4mTg== X-Google-Smtp-Source: APXvYqxJx5rtod4HgpqSbR4jQnRzjAd4JLhkmgw0wHzOAqhiyN86zoqvYB+uJD9ZRmnvwdiqDVTFmQ== X-Received: by 2002:a5d:69c7:: with SMTP id s7mr20139226wrw.71.1555349209771; Mon, 15 Apr 2019 10:26:49 -0700 (PDT) Received: from cbtest28.netronome.com ([217.38.71.146]) by smtp.gmail.com with ESMTPSA id v190sm27094232wme.18.2019.04.15.10.26.48 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 15 Apr 2019 10:26:49 -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 v4 bpf-next 12/15] sparc: bpf: eliminate zero extension code-gen Date: Mon, 15 Apr 2019 18:26:22 +0100 Message-Id: <1555349185-12508-13-git-send-email-jiong.wang@netronome.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1555349185-12508-1-git-send-email-jiong.wang@netronome.com> References: <1555349185-12508-1-git-send-email-jiong.wang@netronome.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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