From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C48434DA08 for ; Wed, 29 May 2024 02:18:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716949104; cv=none; b=cuPGE1EVQ+KwNjLDCqee6JaOnzHueAly2FzVyeoCLXurNX6jBzpPGgefibeMFBhkzPsrsSVK/aXZ42T4ZlfQEisL3F0NDOIqWVkkszQRpCEr9YAY0d6vtSvtTrtn/7o+kvKGcKH3bHlgO57COJpUhGMZzwqUjzf+pAyXsWJBPzQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716949104; c=relaxed/simple; bh=Dp0w0esPZHFbxFaEukOyeyuxS35gYViPUk4+1XQqDMo=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=AgIKl/HakHwjaqzITo5KplT/Qkfe0ZGDdYoCcQRRXx4f/4Jtgq9OmNCzky5HIC/CczbFMdgTUBehV74pYmXJJTJw59MZ3GZXwMzuMQY7X5uRc5aTaSm2P0pGizlS70xbSAIYBN1ttiHG/A2WkjLdtdn/r4xJpYYBO4OrlHBcNzc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=FgIP3xwK; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="FgIP3xwK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716949103; x=1748485103; h=from:to:cc:subject:in-reply-to:references:date: message-id:mime-version; bh=Dp0w0esPZHFbxFaEukOyeyuxS35gYViPUk4+1XQqDMo=; b=FgIP3xwKPNbJN4JeatVXOXlBtdRkucFkHWKJDC1B5SQjn6wM+dc/WiM0 FbWdR3IOAAlZF2QDKTHsDTSLaaOIK5Vpen3Fs2kPGFaKPhCIJjUhTXVje zCFyGZDEI67IsLO9pgynOrmTd63XHYplAtYwyJj0rMA+EAPgfPS2cks2r IGCdbyzvLpxMeEqbhRKCyClGPY4NY/T3tG5hQgJak80PI8LmieM8/Ktky XTFNnnfC4HBai/NBdWio/EGqI93CFUvoUQJC5lWAnAyvDIrAvNqYFq0qC ZaX981xAqpUov74kSD+4hC0iOoxjtQ4xJA7Eb7y+hTRn9MM6juIWJvlWA w==; X-CSE-ConnectionGUID: ujVdAnwZT8mRHyeKtNYzFA== X-CSE-MsgGUID: Aop9WeVvRg23rEuXFHBoBA== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="30830777" X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="30830777" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2024 19:18:22 -0700 X-CSE-ConnectionGUID: JIG75TKJSjer5iNdObqoqQ== X-CSE-MsgGUID: HjV1AhmCTkWHJYrEayPf+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,197,1712646000"; d="scan'208";a="35740713" Received: from unknown (HELO yhuang6-desk2.ccr.corp.intel.com) ([10.238.208.55]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2024 19:18:18 -0700 From: "Huang, Ying" To: Byungchul Park Cc: Dave Hansen , , , , , , , , , , , , , , , , Subject: Re: [PATCH v10 00/12] LUF(Lazy Unmap Flush) reducing tlb numbers over 90% In-Reply-To: <20240527225843.GA50818@system.software.com> (Byungchul Park's message of "Tue, 28 May 2024 07:58:43 +0900") References: <20240510065206.76078-1-byungchul@sk.com> <982317c0-7faa-45f0-82a1-29978c3c9f4d@intel.com> <20240527015732.GA61604@system.software.com> <20240527225843.GA50818@system.software.com> Date: Wed, 29 May 2024 10:16:26 +0800 Message-ID: <87le3t5pmt.fsf@yhuang6-desk2.ccr.corp.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Byungchul Park writes: > On Sun, May 26, 2024 at 07:43:10PM -0700, Dave Hansen wrote: >> It has absolutely not been tested nor reviewed enough. I hope the > > It has been tested enough on my side, and it should be reviewed enough > for sure. I believe that you have tested and reviewed the patchset by yourself. But there are some other cases that you haven't thought about enough before, as Dave pointed out. So, I suggest you to try to find out more possible weakness of your patchset. Begin with what Dave and David pointed out. > I will respin after rebasing the current mm-unstble and > working on vfs shortly. > > Byungchul > >> performance gains stick around once more of the bugs are gone. -- Best Regards, Huang, Ying