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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6A3EC433E0 for ; Fri, 22 Jan 2021 11:42:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9390623122 for ; Fri, 22 Jan 2021 11:42:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727293AbhAVLmb (ORCPT ); Fri, 22 Jan 2021 06:42:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39132 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727408AbhAVLSb (ORCPT ); Fri, 22 Jan 2021 06:18:31 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C96AC0613D6; Fri, 22 Jan 2021 03:17:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=DdC16fxcKlTmitH5bKqjuwYdGH63cyz9+GcPj2WfxXw=; b=LyXL/9HHhP1zJjd2Py8UZPOk1Z crx50udB6vWXinVBRo2trgq5e3BwuIUvHeM7C/WXY9PrAwlPoi1fmAodoJT5sfUtLSUq2fL2dFfsr dAohHKNDA/UamzZp2E/gYKjENVVbWKx7ywJxRmH0fgW35sixt6hoSvC6d1AwAyQe4Y/i/G4d2hsL5 bdfTg8ayhaRuSvxN3udZUfZit7rMhtm16JrkT8we0AyrPRuPwYSH7js2Eb7Xdwp1/oegtR52UN9aq S8AsxR/eov1+R3O5QkeB5SS63LtGz6fRNoqUskvsQ1Uc38bfaRODlV2VjeHGAyxZ2qZuMk9ZOYO6a Vk/EGgOw==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1l2uRT-000gAa-PT; Fri, 22 Jan 2021 11:17:30 +0000 Date: Fri, 22 Jan 2021 11:17:27 +0000 From: Christoph Hellwig To: Lauri Kasanen Cc: linux-mips@vger.kernel.org, tsbogend@alpha.franken.de, axboe@kernel.dk, linux-block@vger.kernel.org, Keith Busch , Christoph Hellwig Subject: Re: [PATCH v9] block: Add n64 cart driver Message-ID: <20210122111727.GA161970@infradead.org> References: <20210122110043.f36cd22df1233754753518c1@gmx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210122110043.f36cd22df1233754753518c1@gmx.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Sorry for not noticing this earlier, but why do you need the bounce buffer vs just mapping the data buffer?