Received: by 2002:a05:6a10:eb17:0:0:0:0 with SMTP id hx23csp916783pxb; Thu, 9 Sep 2021 15:19:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxjwFLRCccZWfGtQwJfi+azseh6OeLs1bMdBKBgSzzDkzbt+54BHNwnfMJroth4GXDJs2fi X-Received: by 2002:a6b:3b8c:: with SMTP id i134mr4311987ioa.29.1631225973924; Thu, 09 Sep 2021 15:19:33 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631225973; cv=none; d=google.com; s=arc-20160816; b=v+LQAFZxgTBnOFdXHjHitaLjqqzpnjwfegwlg0KdBwft2FU+ZGOk4BNZSVOUyQWSCU gWm6rKBzi3QDo/4N/zOjsaeiSOIPfYzlRPHgmAych8aUGy3MVjGi8TnndB7BjYrCXfaj LDedYE5PZSMMoxPJFDjttbjPjOEH11RTbXTlnJQHEIyG66PGVpC07B0DGuYhw59H2nN+ KLQWjNwxxBLpW3ziRsxSpWSZTBx00A6mGb4DIifWf7TUn31KV3LjVFZEQGY3+dkqigsn IqMxmTiMZ/++W8p031OFXrv3OC1SLnkiHRjL0RHpwd4fxSgcyoq/Q2Oblh6CHuJj34+4 Lk8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:references:cc :to:from:subject:dkim-signature:dkim-filter; bh=xYFXSYgT8pV/OFMDZ1ZrM3Ko4Zj8/rlJ1V9afzlYGJc=; b=purS2zkW4IceHOL0eovclhJraNmSTgybNtzuxCD2rByONgXiLgl0NV3xv5fbRYbBCx APCGLj4wlfkorsiAdTK8ECAcfsp/lQaHg5g2ngkicqVPux2VoraPMkFF5XpzJ4nKUcwN qXZWFGiaoE8R0rZFm5Evob6EWrit+jYpXySR27JJhqP5+h1YVqWIQp7mNaF7xKR7kypI fS7dnQBzU7e1DtgqrurESDovS3kacBXaIK7hSST55WjmkWN5OVgzigUF7hYi4IqrUsG+ Ji7gfQ38QKn3brCZPhqKJIDVOJ5BYMaA4+mJ57p6cjaFkGtw4/liEAotGDhOyoVjDSJv w3NQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@zytor.com header.s=2021083001 header.b="hOz2k/9k"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zytor.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r17si3737760iov.104.2021.09.09.15.19.22; Thu, 09 Sep 2021 15:19:33 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@zytor.com header.s=2021083001 header.b="hOz2k/9k"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=zytor.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344624AbhIIWSp (ORCPT + 99 others); Thu, 9 Sep 2021 18:18:45 -0400 Received: from terminus.zytor.com ([198.137.202.136]:54557 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232075AbhIIWSo (ORCPT ); Thu, 9 Sep 2021 18:18:44 -0400 Received: from tazenda.hos.anvin.org ([IPv6:2601:646:8600:3c70:7285:c2ff:fefb:fd4]) (authenticated bits=0) by mail.zytor.com (8.16.1/8.15.2) with ESMTPSA id 189MHJMJ242442 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Thu, 9 Sep 2021 15:17:19 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 mail.zytor.com 189MHJMJ242442 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2021083001; t=1631225840; bh=xYFXSYgT8pV/OFMDZ1ZrM3Ko4Zj8/rlJ1V9afzlYGJc=; h=Subject:From:To:Cc:References:Date:In-Reply-To:From; b=hOz2k/9kliVm2ll1OoXmiuftHAzes38g1nuiOtE64Hn5W1N7FBEMuWX6kIFiOsTkz yn1W+QpAwqJFktGO6Rgai4rOw9dXtw/cbjsefqiZT9mPnaKrYbJoGHUX07aYAkc4LB dJme2/QRemfIX8Uuccd5t1PFIA5RH9BxHGoQ2GLn+1pFD64GU7ignVXiyXgYpm3m3y hm3cr2fSVAihBMLi/hSu0gBvU0acRlcAYbTBjTNjC1NkbqDjtrYVrmW4y39V07h+lR HM4qvscIZPLW28uW1A9ihn/fXC2DJO/L2y/6rpK4mr9wSSueS7o2hHbS5UbrZPjoq2 nEBx2VkMvb/pQ== Subject: Re: [PATCH] x86/asm: pessimize the pre-initialization case in static_cpu_has() From: "H. Peter Anvin" To: Borislav Petkov Cc: Thomas Gleixner , Ingo Molnar , Andy Lutomirski , Linux Kernel Mailing List References: <20210908171716.3340120-1-hpa@zytor.com> <1a73e0c2-8efe-fee9-5141-f7e9a95c748d@zytor.com> Message-ID: Date: Thu, 9 Sep 2021 15:17:14 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <1a73e0c2-8efe-fee9-5141-f7e9a95c748d@zytor.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/9/21 2:28 PM, H. Peter Anvin wrote: > > Because it is shorter and thus can fit more contents > ... into the visible part of the subject line, that was supposed to say. This is rather important when browsing logs, e.g. using gitk. -hpa