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[23.128.96.18]) by mx.google.com with ESMTP id mp39si3671580ejc.182.2021.03.27.05.09.10; Sat, 27 Mar 2021 05:09:33 -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=@gmail.com header.s=20161025 header.b=gwVPvOT9; 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=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230114AbhC0MIn (ORCPT + 99 others); Sat, 27 Mar 2021 08:08:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47456 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229582AbhC0MIm (ORCPT ); Sat, 27 Mar 2021 08:08:42 -0400 Received: from mail-io1-xd30.google.com (mail-io1-xd30.google.com [IPv6:2607:f8b0:4864:20::d30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C96CC0613B1; Sat, 27 Mar 2021 05:08:42 -0700 (PDT) Received: by mail-io1-xd30.google.com with SMTP id z3so8087939ioc.8; Sat, 27 Mar 2021 05:08:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=XuEnKOn4+9ajla2twdMRKW9Wun88ZLfU/3trClmSCoQ=; b=gwVPvOT99yclo1Ia7pfeoFRmDhWhtrfGrNmkzynzPS/aHVVmaHMI+NykIZHj0+Vvqy /rPZv9d1DKzK7sYR9zERhqocl4zU+4K0r2kiZSzKsXTKvExr0/4uIUMpkvyAKviXV9DW iV2WahO+QRM5BRhJeor+reLYyiHkPsvGSSCA4vBEotrBG9TH8zhMdLfpJSoIHc5EO1qG 3eBULtBBY+jOFydGFTKOZZ+EdQWMFhCA8nQhfBShLJ8sSgvbYvICvu/NBBKNdFkz+mFo gh9+CyCa/rQQo7RzZWzxv6P3KjE0931+CVgEUhAMAu6zNS7peOWrgq/TaCxBeLVXT/nB lqPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=XuEnKOn4+9ajla2twdMRKW9Wun88ZLfU/3trClmSCoQ=; b=oHsBRssoZG7jBj9SN2YjtvF85IaR86q4AtH3xcJl7tKViRz7B6ZiyoS/f4d0CJZ8Rs hXbdbHeQEZ25g2GeRpgyfEA1tSwB3umi3bQgX4VSzBfxvOf0++pWeOR2PqAVzNJh1tVT 4IPa1HO0e4MaMz/0yw3TeUmLipcG7v1bQAIh8ZjPkzLcIakIzLXGQuZsc5I1/D78uGZg OnEL5+c4YPGGQqxzYUYZZ+B1xKOwezLDY/TKsjy2CzqTFZ7pGldGQvmdKZvjze2KDokZ trPSriLItwEQe8Onsz+iCHb7rOT0KyV/EPiKu06Kgh6PFRdoDQGPDIS5gAO1EcpqeozY Ld5g== X-Gm-Message-State: AOAM533MIT1E+VuFzltBF6JIUhPu2eqGxuIQn9YXV2xBxpE/3EmPDjXX U+iMc0oJlBbcBGR+pCvj/z8OTHeBigcVnojezHGhPq7bwFF8DA== X-Received: by 2002:a6b:d80d:: with SMTP id y13mr13948614iob.75.1616846921761; Sat, 27 Mar 2021 05:08:41 -0700 (PDT) MIME-Version: 1.0 References: <20210313121541.GC16144@zn.tnic> <20210313124919.GD16144@zn.tnic> <20210313132927.GF16144@zn.tnic> In-Reply-To: Reply-To: sedat.dilek@gmail.com From: Sedat Dilek Date: Sat, 27 Mar 2021 13:08:05 +0100 Message-ID: Subject: Re: [PATCH 0/2] x86: Remove ideal_nops[] To: Peter Zijlstra Cc: Borislav Petkov , x86@kernel.org, rostedt@goodmis.org, hpa@zytor.com, torvalds@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-toolchains@vger.kernel.org, jpoimboe@redhat.com, alexei.starovoitov@gmail.com, mhiramat@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Out of curiosity I tried in my build-environment and my testing-rules to have comparable numbers... ..without passing "V=1" and "KBUILD_VERBOSE=1" as make-options: NOTE: Identical linux-config plus LLVM/Clang v12.0.0-rc3. debian-5.10.19 as host-kernel: 11655.755564957 seconds time elapsed dileks-5.12-rc3 plus x86-nops as host-kernel: 11941.439350080 seconds time elapsed I compared the build-times only: Approx. 04:45 [mm:ss] in the worst case. ( Brewing time of a strong Turkish tea-bag ~5mins. ) I will keep both make-options to see what's going on in my builds. - Sedat -