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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 39064C433E7 for ; Thu, 8 Oct 2020 16:25:59 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9AECF21D7D for ; Thu, 8 Oct 2020 16:25:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Wye5DEjH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9AECF21D7D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57116 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kQYjt-0006ic-JS for qemu-devel@archiver.kernel.org; Thu, 08 Oct 2020 12:25:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37326) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kQYgL-0002Wk-Pv for qemu-devel@nongnu.org; Thu, 08 Oct 2020 12:22:17 -0400 Received: from mail-ot1-x341.google.com ([2607:f8b0:4864:20::341]:41217) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kQYgC-0007e3-W5 for qemu-devel@nongnu.org; Thu, 08 Oct 2020 12:22:17 -0400 Received: by mail-ot1-x341.google.com with SMTP id q21so5999940ota.8 for ; Thu, 08 Oct 2020 09:22:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=siDQkbvJh9Bvpko0a5lV9YTIkAumZtHw2Xcw/++VZdY=; b=Wye5DEjHWxQHtc/xyy4JqjU0Jj/GF+1CrQloR02V1GTG4c/t8gNQqdXxBJwSVgW3Nq 9Jubj0jphT3qdYuPh2t0kJA0SeRHDZMHqkxd8Y0PZN33xV+FIdJ8j3kYq0H0+gZEE0TF cm2AI5VBuACe1OWLCqBLYu8YR3FKYTEtSIyCDpO45klC+gB9fhM4Sg3gnIlpUmSuBdQx AM2LKgjyCuIpCU9ca8vDQvWrZaTehsZOMBvRO5lVuGrIY/B7cx4rtWe1mdPB122a7dGf i9lyREBIJfUy4EfTRrC6zggXbW9ybd5UWSBmOGti1/GduE1FQz9Gcdmc8voz1A9ZZ+TO 0Cpg== 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:mime-version:content-transfer-encoding; bh=siDQkbvJh9Bvpko0a5lV9YTIkAumZtHw2Xcw/++VZdY=; b=DmhmXmeht5Oif8Ok/WHuI0/9D5KrMQSvYHs65F5d13QaCY6kypRBsc3OGM1ENQHJcv krJBqCJjF63qU+YYJ0zy+qvn7hdhoZAUctJw9p40+sdVTN/BPeRviTWNsfXVbqVf1mX4 HPZO93Arvi3tSBdtbn9TRHc3cag8QTc5101myyizGG6eWE/3LpuUSOPV3Cxdtw/+QTKU rx2uPrm75BryvbO60xRIeXppdPlYhqhA4sixl5T6B2o+Ybbgfs4dOO98XOqoHmlPEUUQ zdMp9+3kHAVRLhs+m3D3qEd5QlsbFG8NT/Zc4ZU5y/rktv7dt48tloUl/eZnkNI4t0JV cUGQ== X-Gm-Message-State: AOAM533CFhm2VJAOPbqY+eq9zLULOER+1WaUS3EwklBqSDy1m8iPux5s tkBtVpJUNc1u7t81ruU27GJ4ZnynaAJmdrZU X-Google-Smtp-Source: ABdhPJwaMIc4XJkw5ujvlIY4ORtvV1HrNmIFf/xfNfOQNNvrovZjYJYQ17iVQMaRJc41wQKnZeT6rg== X-Received: by 2002:a9d:2a83:: with SMTP id e3mr5346596otb.237.1602174119678; Thu, 08 Oct 2020 09:21:59 -0700 (PDT) Received: from localhost.localdomain (168.189-204-159.bestelclientes.com.mx. [189.204.159.168]) by smtp.gmail.com with ESMTPSA id l138sm5076218oih.32.2020.10.08.09.21.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2020 09:21:58 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/3] target/arm: Remove redundant mmu_idx lookup Date: Thu, 8 Oct 2020 11:21:53 -0500 Message-Id: <20201008162155.161886-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201008162155.161886-1-richard.henderson@linaro.org> References: <20201008162155.161886-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::341; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x341.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org, vincenzo.frascino@arm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" We already have the full ARMMMUIdx as computed from the function parameter. For the purpose of regime_has_2_ranges, we can ignore any difference between AccType_Normal and AccType_Unpriv, which would be the only difference between the passed mmu_idx and arm_mmu_idx_el. Signed-off-by: Richard Henderson --- target/arm/mte_helper.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c index 5615c6706c..734cc5ca67 100644 --- a/target/arm/mte_helper.c +++ b/target/arm/mte_helper.c @@ -563,8 +563,7 @@ static void mte_check_fail(CPUARMState *env, uint32_t desc, case 2: /* Tag check fail causes asynchronous flag set. */ - mmu_idx = arm_mmu_idx_el(env, el); - if (regime_has_2_ranges(mmu_idx)) { + if (regime_has_2_ranges(arm_mmu_idx)) { select = extract64(dirty_ptr, 55, 1); } else { select = 0; -- 2.25.1