From patchwork Fri Apr 12 21:59:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiong Wang X-Patchwork-Id: 1084962 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=netronome.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=netronome-com.20150623.gappssmtp.com header.i=@netronome-com.20150623.gappssmtp.com header.b="GzYIX3VK"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44gsJz3h0Rz9s7T for ; Sat, 13 Apr 2019 08:00:35 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727301AbfDLWAe (ORCPT ); Fri, 12 Apr 2019 18:00:34 -0400 Received: from mail-wm1-f66.google.com ([209.85.128.66]:40037 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727277AbfDLWAT (ORCPT ); Fri, 12 Apr 2019 18:00:19 -0400 Received: by mail-wm1-f66.google.com with SMTP id z24so12734517wmi.5 for ; Fri, 12 Apr 2019 15:00:18 -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=FyyxR9Iqk6cAH0oBjCaJb0bcVV0NGMOOW5Oun5gFHdM=; b=GzYIX3VKctvBc2dtvJ16iqFpJneBC6lA4gUWtjc4rDtUOyQDQACrJmf/ffwJ/17EzV ryGcqB3E2HZ4BG8zvj+sP8N4BBxHxsD7pf3VYeMnAkK6wuMg/MbA2DflQixp+7kODyVM Bl6A55sxVt8IowrKxGEos7H1WUAvDnRH0uOy3wfbV1FwyRG7U8xfuU76ES0Xjtl6+QUu XyCAtbuprm0xyhRgICR9aahKf5z3vZ+21dWQVZND5Uz+bkUizLbOWRvFVeThJXcV9w8+ cOA1MRnRirYz0uHTiOxPVAS/gda1ySbVyrLG8TN2/WmHWCZFaiRPpvFU2wCIUz11Lvh5 FVCg== 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=FyyxR9Iqk6cAH0oBjCaJb0bcVV0NGMOOW5Oun5gFHdM=; b=jin7wFEGgJv5+AR7Nk0/mSb3h79tXNws0p8c5uK/gAqdy2s/4WDiGFVNWy9ag2FH6l ANI4FDYwi+PCNGKms063Bh8/kb4VjkJKEX6rpMMv2fy8Ch/kJTzT8QdhMggj88/KwS2t huaUheU3evwTps9CssFaoTi+Ri+AGcH41+H+TqXrRGmYMN/dYxjEw8979wqpKPX9t3+I vPCeLLpbwsPV4Gmt1RbJNSMjLRdGJyyYQRKdtl/PCj8p1MRSV2RiRFrbweMj5ZVecsHH bOQ2FGHWb8hX0wFZ9kYDZXkwKAfSFyc+CASKvpJNtnJF0kKYbOfNCICAKp2cRR0zPIp+ eaXA== X-Gm-Message-State: APjAAAWznzGE4qTFaXCs1Lfr9xZFvi4uil3yaBMYXGszSfoOWJvr635v tK0j96OpQoloPlwe1Src8N2euA== X-Google-Smtp-Source: APXvYqzC0PxQp0Q/y1dMtjmEK0vjYwZU7d77qu34HT2P4CZAC2TdvSATMtk7FNbgkx7ih4A0kwZilA== X-Received: by 2002:a1c:39d7:: with SMTP id g206mr11850480wma.99.1555106417615; Fri, 12 Apr 2019 15:00:17 -0700 (PDT) Received: from cbtest28.netronome.com ([217.38.71.146]) by smtp.gmail.com with ESMTPSA id f1sm8490764wml.28.2019.04.12.15.00.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 12 Apr 2019 15:00:16 -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 , "Naveen N . Rao" , Sandipan Das Subject: [PATCH v3 bpf-next 14/19] powerpc: bpf: eliminate zero extension code-gen Date: Fri, 12 Apr 2019 22:59:47 +0100 Message-Id: <1555106392-20117-15-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: netdev.vger.kernel.org Cc: Naveen N. Rao Cc: Sandipan Das Signed-off-by: Jiong Wang --- arch/powerpc/net/bpf_jit_comp64.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 21a1dcd..d10621b 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -559,7 +559,7 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, bpf_alu32_trunc: /* Truncate to 32-bits */ - if (BPF_CLASS(code) == BPF_ALU) + if (BPF_CLASS(code) == BPF_ALU && fp->aux->no_verifier_zext) PPC_RLWINM(dst_reg, dst_reg, 0, 0, 31); break; @@ -1046,6 +1046,11 @@ struct powerpc64_jit_data { struct codegen_context ctx; }; +bool bpf_jit_hardware_zext(void) +{ + return false; +} + struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp) { u32 proglen;