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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D3C05EB64DA for ; Wed, 28 Jun 2023 09:38:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qERbk-0007L4-Hs; Wed, 28 Jun 2023 05:37:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qERbi-0007Jk-Sh for qemu-devel@nongnu.org; Wed, 28 Jun 2023 05:37:02 -0400 Received: from mail-wr1-x435.google.com ([2a00:1450:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qERbh-0008RN-6O for qemu-devel@nongnu.org; Wed, 28 Jun 2023 05:37:02 -0400 Received: by mail-wr1-x435.google.com with SMTP id ffacd0b85a97d-313df030ccaso5264481f8f.1 for ; Wed, 28 Jun 2023 02:37:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687945019; x=1690537019; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=8WFU4gDYH74lGjgXBppWvAIXospQQPzTSJwB8DI68y4=; b=uv7yEHTignIvII5/+UvgPKPbSSob2dbvz0Nt5movzK8yYy7ga2rYihwqPWB4oN+wdb HBXi3XSXcEMO+Dhn17d/vGvPNmM69tKTQ6CsmnQzQZqETRKHUqZOq247OGK1aZBaGts3 VGdir0/ux9cJFwciTq7G4mynAhIOsVRjN3QTt4bO3bdmeIUi5izZawNB11SbOALVyWnw gPw2pzCWFoUQhIz+kXYqYPzfqNeuTlKuucfXsXg7+X+tOJEvOaPt5BfrLTkJPSXFU+uZ KOxpK1ogYmK9K9X67aLO8oBL8Q3mF6QZYoyqPonPG/bqabDN1p8hwU3AEDYDlFFE9Zbv 2wwQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687945019; x=1690537019; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=8WFU4gDYH74lGjgXBppWvAIXospQQPzTSJwB8DI68y4=; b=GgCLFCGP7OIT5yxd9ypKTX0PI+z3tXaa4HZbmkUzq1bS3Fl8x/hX177wBzGglCqcyD mlMEbsh2O1oXQCog28MFsJoKFbpkAyMGWO3QEEdCIjIyR5X0/nx4FcC6nXJMU31mNurg gWIzNC/uI9xA9wHz2KETy2S7Yq++Xs7/n+7nXkmJDUIybp0zuZVuLBnQ9OBulUN7MKk1 +Xy375dpt0fS2WZDJ0uSkOZgQ1b1ofyGulwTnQBYSSCKbZc7w9WHMMQOCpxSC9fJDm11 R/dmLPa4++AOLQN7D6cv2i0iLZOGRyLYaLak9xSv3WCCWmLLbOO1K57K6GG4tr39PT0g /QAQ== X-Gm-Message-State: AC+VfDzv8n1vpJYQRp2tIX/i/8YXcq3uoiGihju8ldw9/1DLxjiPf4xD UnfGRSMgOWbNs2+fQ47Ia7Qr0Q== X-Google-Smtp-Source: ACHHUZ51XbetUPPR05o7K9GOea8obSKPr8TOgoLVA43HwcaFyjyYMWoSulJpBP4bWLNOomT/9RaCcQ== X-Received: by 2002:adf:ec84:0:b0:2ce:d84d:388f with SMTP id z4-20020adfec84000000b002ced84d388fmr27329085wrn.40.1687945019433; Wed, 28 Jun 2023 02:36:59 -0700 (PDT) Received: from [192.168.1.208] ([139.47.41.103]) by smtp.gmail.com with ESMTPSA id z3-20020a5d4c83000000b0030497b3224bsm12775712wrs.64.2023.06.28.02.36.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 Jun 2023 02:36:59 -0700 (PDT) Message-ID: <698d29bd-20cc-20ee-3e7d-577d996894d8@linaro.org> Date: Wed, 28 Jun 2023 11:36:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v2 4/4] target/ppc: Implement attn instruction on BookS 64-bit processors Content-Language: en-US To: Nicholas Piggin , qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, Daniel Henrique Barboza , =?UTF-8?Q?C=c3=a9dric_Le_Goater?= , David Gibson , Greg Kurz , Harsh Prateek Bora References: <20230627134644.260663-1-npiggin@gmail.com> <20230627134644.260663-5-npiggin@gmail.com> From: Richard Henderson In-Reply-To: <20230627134644.260663-5-npiggin@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::435; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x435.google.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 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, NICE_REPLY_A=-0.103, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 6/27/23 15:46, Nicholas Piggin wrote: > + if (env->spr[SPR_HID0] & hid0_attn) { > + powerpc_checkstop(env, "host executed attn"); > + cpu_loop_exit_noexc(cs); checkstop already does the cpu_loop_exit_noexc. r~