From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 EDC633C092 for ; Wed, 10 Jul 2024 05:55:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720590927; cv=none; b=GDUIpVM6uJtBcLFzqiM+2zavKAcumGbci1KHEmI1RJeA923+rvoqJDojgRjaOXGD3sKmNLi/NJ4JyqbGxBCkCajRj07R0NUJ/0LwEojL59nApYnglooHufZWi1aG+DN1/i0gvfzaIh8AQOP/XlKTpUjFzgzuaY2dxOMI0FYhmlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720590927; c=relaxed/simple; bh=jzDyJroF8/afP3GzKI2rmY8da0VGXH1bOwktasOHt5U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=t28T8xxSABJs0cwQNNop0zL5J3VnSLiXZrJOd8+2TCIAYaV78Nr0LQeOBYbIOQH697MzYAWi8iqNGXuOF0v00zA6Hro/E+TfuDsdij2qX65k2Sofuj68yqzDIob2bGeR2ciXz/CmAfUQiXUSsrxiSIYtw1NMNf8WQj3mzQss5mE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id E662A227A87; Wed, 10 Jul 2024 07:55:20 +0200 (CEST) Date: Wed, 10 Jul 2024 07:55:20 +0200 From: Christoph Hellwig To: Petr =?utf-8?B?VGVzYcWZw61r?= Cc: Christoph Hellwig , mhkelley58@gmail.com, mhklinux@outlook.com, robin.murphy@arm.com, joro@8bytes.org, will@kernel.org, jgross@suse.com, sstabellini@kernel.org, oleksandr_tyshchenko@epam.com, m.szyprowski@samsung.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH v3 1/1] swiotlb: Reduce swiotlb pool lookups Message-ID: <20240710055520.GA25305@lst.de> References: <20240708194100.1531-1-mhklinux@outlook.com> <20240709111013.6103d3f0@mordecai.tesarici.cz> <20240709111812.GB4421@lst.de> <20240709210818.28116c53@meshulam.tesarici.cz> 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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240709210818.28116c53@meshulam.tesarici.cz> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Jul 09, 2024 at 09:08:18PM +0200, Petr Tesařík wrote: > I'm confused. If you're not a big fan, why are we effectively adding > them to more places now than before the patch? Because I didn't want to second guess the patch author too much.