Received: by 2002:a05:6359:6284:b0:131:369:b2a3 with SMTP id se4csp4740929rwb; Tue, 8 Aug 2023 13:06:02 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE0zJg6YugVmTQA7DbN22zRXUKXsO1h/1UlzJRF8GaEj74fBQT2Qet/2ZSDE4s8F7rUXDSF X-Received: by 2002:a05:6870:b14a:b0:1b0:883e:3095 with SMTP id a10-20020a056870b14a00b001b0883e3095mr704121oal.56.1691525162127; Tue, 08 Aug 2023 13:06:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1691525162; cv=none; d=google.com; s=arc-20160816; b=fA+MOxqPKeucpk8i2PYEztMNDtPbAM1d+1wp4mOFGxbIVNEAsWh3j3+AKeBnhzhm6J MFs4jUh0OmnCMFuMDBky0mWNwCia9nBbkWj2HCX6ug+lDB3nwZwzWnxroW/lrCa9PK52 KFm7ZsBhP9ioxPCpaLcVtlxj16d2S9+R6uenvuSmFQCGsrQHEY04VS6jL0ga46HnZ3L8 /M5rGTQlLQ5CoJHWRUz6fQFlJkqA1m2JLlvjLLRtbSQTIvDCUbb0vYytu797HaOiRF5y Bo5x1IThlGPoVEGB59O58Ta35t/7AAkpd83iUOt9MamhYXKdl6lQQqviYrKwu0O5oVI0 UXUw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=oQ2Oy2vE4Y+KSIGzjxEVBp2pts3FTmVlEXlZ7nc293g=; fh=Gf8czIzIpmRc6ibK9nGlmL5nlxxObeGdsPnuS7gJ/YI=; b=n9K05ZB5Dthw7t875VHyDmdg/4KfmIFOQFPxohszTJqNetLi9gEbzFRjj7ITZic5F2 e3nwuCL4s4Zy872jDYpsUZun9T4OA2qYQVY0+p81WcsE0k6I9oylhsFzU/I/mvpMk1zI urreiGR85meNpL5oIR0cKGE56VQkg0HVZZNkmD2LRiN1yuU73uQ82WkBmuTdwtwagwU8 YQjjYEG32q5C7MvPBtCZKKFVh410oEoLSOJl01E0zvS1E/8BEqduLuhruto2SNstHxTx oBx0sPkSa/iHMQdhoPljxN+nXKYrY9dY8CFV20VfcrlhnXDhZvpfQy7Jn2A8w2uhceWo E29w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id k69-20020a636f48000000b00563d781913csi7595548pgc.152.2023.08.08.13.05.48; Tue, 08 Aug 2023 13:06:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236360AbjHHTeZ (ORCPT + 99 others); Tue, 8 Aug 2023 15:34:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236353AbjHHTeN (ORCPT ); Tue, 8 Aug 2023 15:34:13 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FC0498F01 for ; Tue, 8 Aug 2023 10:36:56 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 18E0568AFE; Tue, 8 Aug 2023 19:36:53 +0200 (CEST) Date: Tue, 8 Aug 2023 19:36:52 +0200 From: Christoph Hellwig To: Petr Tesarik Cc: Christoph Hellwig , Marek Szyprowski , Robin Murphy , "open list:DMA MAPPING HELPERS" , open list , Roberto Sassu , petr@tesarici.cz Subject: Re: [PATCH v1] swiotlb: optimize get_max_slots() Message-ID: <20230808173652.GB18873@lst.de> References: <20230803115941.497-1-petrtesarik@huaweicloud.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230803115941.497-1-petrtesarik@huaweicloud.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks, applied.