From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x336.google.com (mail-wm1-x336.google.com [IPv6:2a00:1450:4864:20::336]) by sourceware.org (Postfix) with ESMTPS id AC9D33858D1E for ; Thu, 10 Feb 2022 22:00:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AC9D33858D1E Received: by mail-wm1-x336.google.com with SMTP id l67-20020a1c2546000000b00353951c3f62so4957004wml.5 for ; Thu, 10 Feb 2022 14:00:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=2xAfvInswiHSOj9cWuNTHB/rPAz9MWHypzU24yuo2dA=; b=0n2nQYSd+SeQmasVUlXGc8Z8d/skoR1HcFw5fNnN7B1SryBOeHbvZgftNDR98YBcoe dvh0XstFct5UyrgEBN9sd3laRRl96tVi0NeCmA0JQYrOZJz0Skf7pOpWfzVU+RTISDLv /PC6TUexT80CN5JlfRiDBFZ8POK96q/Gc9WkrYheJcVVMV/NmtiJvFEyOWA7cUyJyBW5 Higo4Ev+9yYyasW5Fkpfz5YOac5xkabEDvET+W4mscs1dqurkE4UvZTz4Fkl9pNUe1HD w1sgvop4uKDPhKXEz8UYG/K4fmKzkFpPENd8Y5A6T+n1zdSOzYUJZr+6CAFT2zaynC5z rQlQ== X-Gm-Message-State: AOAM5301yPOAoU8Mf4l1C5BF03ir8cFuhJ7rR1oEMLpnB3ib9VtoceAN 6Opn1Qcz1cUhaBBSshuiUeE= X-Google-Smtp-Source: ABdhPJwGzOrg1z80iRjdKbWw6h4nvmYn02/4nNY9ybCeZu+pst/I7WqsnWCnKnhOnp6eL92m/ifxEA== X-Received: by 2002:a05:600c:4e55:: with SMTP id e21mr2204345wmq.187.1644530420625; Thu, 10 Feb 2022 14:00:20 -0800 (PST) Received: from [192.168.0.160] ([170.253.36.171]) by smtp.gmail.com with ESMTPSA id p15sm2977198wma.27.2022.02.10.14.00.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Feb 2022 14:00:19 -0800 (PST) Message-ID: <3903170e-4b97-b4eb-5024-dba2b87a6ead@gmail.com> Date: Thu, 10 Feb 2022 23:00:19 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.1 Subject: Re: [PATCH v2] x86-64: Optimize bzero Content-Language: en-US To: Adhemerval Zanella , Wilco Dijkstra , Noah Goldstein , "H.J. Lu" Cc: GNU C Library References: <20220208224319.40271-1-hjl.tools@gmail.com> <1f75bda3-9e89-6860-a042-ef0406b072c1@linaro.org> <78cdba88-9e00-798a-846b-f0f77559bfd5@gmail.com> From: "Alejandro Colomar (man-pages)" In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Feb 2022 22:00:23 -0000 On 2/10/22 21:42, Adhemerval Zanella wrote: > Again, I am not proposing to *remove* bzero, but rather the internal > optimizations that currently only adds code complexity and maintenance > burden. My patchset [1] will keep the ABI as-is, the difference is > bcopy and bzero will use the default implementation on all architectures. That's good. Thanks, Alex -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/