From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4253CEB64DC for ; Thu, 20 Jul 2023 06:48:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Q3AkFTV/OtY6YIEoPIp/ciS6YC2E9C8Uehr3uFLe7dw=; b=Mqx/YiExtajrQf eydiBSpNTJgIZThPUGNSclgNq0kBJaF/eLOphSp7YI5iQJcoVOE+1GS9+SeUY/wOpvOS2lmD589eX z1OgF+qmZ4lFRzFgBkmsR+FZu+vYwSZ8Am7QkXubVD2wHE9fX7BWB8dNhJOrCRtWVoNe3ltn+asrX /oykfPtw3i8AubEhnNLWNL7FQXplpnPzbtHraXvtIgXupDw8hoKCi/i2wWkXvc17ZOdlMFWTCrvUp iize8Iog4UhY6wNJ+up3wndUK6WLwFvuOUAClJnQYuZR6uD4e7hPZtwGp1EJ8dX0pb/TfY502o3q0 FRUU2yM41N0SSgQ1VGbA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qMNS5-009zNm-16; Thu, 20 Jul 2023 06:47:53 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qMNS1-009zLt-38 for linux-arm-kernel@lists.infradead.org; Thu, 20 Jul 2023 06:47:51 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 0C93467373; Thu, 20 Jul 2023 08:47:45 +0200 (CEST) Date: Thu, 20 Jul 2023 08:47:44 +0200 From: Christoph Hellwig To: Petr Tesarik Cc: Stefano Stabellini , Russell King , Thomas Bogendoerfer , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H. Peter Anvin" , Greg Kroah-Hartman , "Rafael J. Wysocki" , Juergen Gross , Oleksandr Tyshchenko , Christoph Hellwig , Marek Szyprowski , Robin Murphy , Petr Tesarik , Jonathan Corbet , Andy Shevchenko , Hans de Goede , James Seo , James Clark , Kees Cook , "moderated list:XEN HYPERVISOR ARM" , "moderated list:ARM PORT" , open list , "open list:MIPS" , "open list:XEN SWIOTLB SUBSYSTEM" , Roberto Sassu , Kefeng Wang , petr@tesarici.cz Subject: Re: [PATCH v4 8/8] swiotlb: search the software IO TLB only if a device makes use of it Message-ID: <20230720064744.GA4395@lst.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230719_234750_180773_6C6357D6 X-CRM114-Status: GOOD ( 11.17 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Any reason this can't just do a list_empty_careful on the list instead of adding yet another field that grows struct device? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel