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[2.142.216.190]) by smtp.gmail.com with ESMTPSA id w9sm286608wrs.7.2021.09.03.13.38.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Sep 2021 13:38:47 -0700 (PDT) Subject: Re: [PATCH v3 08/30] target/alpha: Restrict has_work() handler to sysemu and TCG To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org Cc: Peter Maydell , Cornelia Huck , kvm@vger.kernel.org, David Hildenbrand , Bin Meng , Mark Cave-Ayland , Aleksandar Rikalo , Laurent Vivier , Max Filippov , Taylor Simpson , haxm-team@intel.com, Colin Xu , "Edgar E. Iglesias" , Stafford Horne , Marek Vasut , Stefano Stabellini , Yoshinori Sato , Paul Durrant , Kamil Rytarowski , Reinoud Zandijk , Claudio Fontana , Anthony Perard , xen-devel@lists.xenproject.org, Artyom Tarasenko , Laurent Vivier , Thomas Huth , Eduardo Habkost , Greg Kurz , Cameron Esfahani , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, Michael Rolnik , Sunil Muthuswamy , Palmer Dabbelt , David Gibson , qemu-riscv@nongnu.org, Bastian Koppelmann , Chris Wulff , Roman Bolshakov , qemu-ppc@nongnu.org, Wenchao Wang , Alistair Francis , Paolo Bonzini , Aurelien Jarno References: <20210902161543.417092-1-f4bug@amsat.org> <20210902161543.417092-9-f4bug@amsat.org> <3cd48aba-a1a1-cde3-3175-e9c462fcb220@linaro.org> <740a2e5c-3dad-fc7d-b54a-0c405faa605e@amsat.org> From: Richard Henderson Message-ID: <8c70c273-cb11-c6da-a456-c906df86326b@linaro.org> Date: Fri, 3 Sep 2021 22:38:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <740a2e5c-3dad-fc7d-b54a-0c405faa605e@amsat.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 9/3/21 10:34 PM, Philippe Mathieu-Daudé wrote: >> Drop CONFIG_TCG for alpha; it's always true. > > What is the rational? "Old" architectures (with no active / > official hw development) are unlikely to add hardware > acceleration, so TCG is the single one possible? Thus no > need to clutter the code with obvious #ifdef'ry? Correct. Broadly, if git grep CONFIG_TCG is empty in a subdirectory, don't add the first instance. r~ 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=-5.9 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 846B9C433FE for ; Fri, 3 Sep 2021 21:00:50 +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 501F161131 for ; Fri, 3 Sep 2021 21:00:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 501F161131 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:52282 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mMGIr-0003l7-Gi for qemu-devel@archiver.kernel.org; Fri, 03 Sep 2021 17:00:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53684) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mMFxc-0008T9-Nv for qemu-devel@nongnu.org; Fri, 03 Sep 2021 16:38:52 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]:52932) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mMFxY-0007Rt-W2 for qemu-devel@nongnu.org; Fri, 03 Sep 2021 16:38:52 -0400 Received: by mail-wm1-x32b.google.com with SMTP id e26so108870wmk.2 for ; Fri, 03 Sep 2021 13:38:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=GL9M66YPePviEeJIanaWkTBsfl1Vxvfhn+ruVwm7BCY=; b=M/vaAbEmKAIlbeJ47KCqDEuoW1fU8OLbdaCXy0Pvl+0fPEdToeVM22GDpxEzsjWt9v WbAqalwQ/WT+6kAtmN1B0nIOitKaIhJ157SyDHY79vxDGA3ucdaq3AJgPv1Ovs1Fv/aB 1lSLTga+m6SS4hdqpDGzD3Th0/yrB0aZiBPiOV1Y9NoKc6DtcGD50FEYbqTQdUvsRoIH T4tRlzq2k7HSirKjelg2CrSPUYVuJ22AUaoX7n0jXoOTIEfbt+eiTX7puG0QvsvjemoW Tfwd8Zr/L/8FyDF1XuV7Wb/Ws8ZaMEPMWJ3/JlWVrBtMcJoHyoGb+mo3WTtGcH+kKg2w oQuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=GL9M66YPePviEeJIanaWkTBsfl1Vxvfhn+ruVwm7BCY=; b=FjnLU/Xwrvhyd5xcFsNp1UpAqkNEl6z57YYyWAPvXd98t9SI1kyCDI7HUYMVYW1ycX yxBBIm6hzL80m7hY4fPo3SdmKqvPMOAW+t/G8vdm4SmzXrYWdwG/CbT89+broKSXgYW1 Nsd4XG74kmt4YRcMJHJIZEVzV0sJ0wuHpuAW1MhwPri7SoYJpwUrnJpUKSHrMTVt5p/O PN8UceYPtAde2QP9o2ooJVkMJgnxQXxepXK2UDRfoRlJVhnZXLdOSMeElYeJIj0yqjFP EnoZUW7HkzMNJr1Rb5VBoroW6jDrEeQY2dTC09P3cVrS38DHSVGMotRGeStghO5ppgAn wziQ== X-Gm-Message-State: AOAM533rqi8zK87ULWRk48/MNz/EM51jwOaOB+IbXis6TPW3FtGR2ff+ PChr+9ovRxDmkzTVypFQAtDwDw== X-Google-Smtp-Source: ABdhPJyQ/VEZImP2sey8PyCscUHWehgMFHJDN9IuQ3kxtIigmhduRyDKYPM4Bvm1IEM1SgOYGjMY+A== X-Received: by 2002:a1c:2547:: with SMTP id l68mr468593wml.23.1630701527658; Fri, 03 Sep 2021 13:38:47 -0700 (PDT) Received: from [192.168.8.107] (190.red-2-142-216.dynamicip.rima-tde.net. [2.142.216.190]) by smtp.gmail.com with ESMTPSA id w9sm286608wrs.7.2021.09.03.13.38.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Sep 2021 13:38:47 -0700 (PDT) Subject: Re: [PATCH v3 08/30] target/alpha: Restrict has_work() handler to sysemu and TCG To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20210902161543.417092-1-f4bug@amsat.org> <20210902161543.417092-9-f4bug@amsat.org> <3cd48aba-a1a1-cde3-3175-e9c462fcb220@linaro.org> <740a2e5c-3dad-fc7d-b54a-0c405faa605e@amsat.org> From: Richard Henderson Message-ID: <8c70c273-cb11-c6da-a456-c906df86326b@linaro.org> Date: Fri, 3 Sep 2021 22:38:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <740a2e5c-3dad-fc7d-b54a-0c405faa605e@amsat.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32b.google.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 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=-0.888, 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 , Chris Wulff , kvm@vger.kernel.org, David Hildenbrand , Bin Meng , Mark Cave-Ayland , Thomas Huth , Max Filippov , Taylor Simpson , haxm-team@intel.com, Colin Xu , "Edgar E. Iglesias" , Sunil Muthuswamy , Marek Vasut , Stefano Stabellini , Yoshinori Sato , Paul Durrant , Kamil Rytarowski , Reinoud Zandijk , Claudio Fontana , Anthony Perard , xen-devel@lists.xenproject.org, Artyom Tarasenko , Laurent Vivier , Aleksandar Rikalo , Eduardo Habkost , Greg Kurz , Cameron Esfahani , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, Michael Rolnik , Paolo Bonzini , qemu-ppc@nongnu.org, Stafford Horne , David Gibson , qemu-riscv@nongnu.org, Bastian Koppelmann , Cornelia Huck , Roman Bolshakov , Laurent Vivier , Palmer Dabbelt , Wenchao Wang , Alistair Francis , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/3/21 10:34 PM, Philippe Mathieu-Daudé wrote: >> Drop CONFIG_TCG for alpha; it's always true. > > What is the rational? "Old" architectures (with no active / > official hw development) are unlikely to add hardware > acceleration, so TCG is the single one possible? Thus no > need to clutter the code with obvious #ifdef'ry? Correct. Broadly, if git grep CONFIG_TCG is empty in a subdirectory, don't add the first instance. r~