Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp2658011ybv; Mon, 24 Feb 2020 09:09:10 -0800 (PST) X-Google-Smtp-Source: APXvYqwXTrbvCejShdAinHgj5xoRg0CpY6I+Xu27eY4fagJESRydRk6sLK5M0V9GwomjwUnC24Jq X-Received: by 2002:a05:6808:aac:: with SMTP id r12mr35543oij.59.1582564150032; Mon, 24 Feb 2020 09:09:10 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582564150; cv=none; d=google.com; s=arc-20160816; b=ZvvrnsMFQxWBqsujx+fv8I8/LW7tqiB/XTrmuZvGm5zfdk9jW9xxRZqNxvcDl1S/Na shKo5grbGkypzZarEIP6mXaJ2J08qzqZNmTmOu3QjJDJU0yYIRS6bQAujWvOEEJN0v39 OQjB4C8G4gEPo+yDZXIutyF+nDoUuxsklIZVmEHiAqH5vc8WMo6Ntue4VmXrpodwrrwN k2/mOfbM3RAj+NMYLV3gsXhd9lrxw+tqyrR7dOAa2OEMOypEypynbC9pfZWgq3yzAAPk gsj8+pP+LarcFfa1ghpX9kzrMydj4oVNxDBi/Sya1DfyZSWDdmyPhS96ycWUM6WPMwU0 kpBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=RI4pNizaN/Qi/rAlgJxrBQWDqEZh68K0XdARYBgsCFs=; b=spLZN/n2ptB4/RVsn6OQXCGgnmQ6Uy/jDMVdnvCoTIRckKCrGpQFWNSTpBmSg1oNbO nz+Ey3GoCKZNtjuZbV3mK0aQr9sMh2fco3Vd/O9PgQRndfmubluLQAgZBRDwAYDv6U+Y VNE29LB20PnA0OiTZJNqrPygzyzJizKQ7TlCDF9CLqPK0Kp1D5vMC9TsQAiw2Jg8x4j2 3OTzXEG8iLUKOhAS3ihhvluUhgwhLOJs8OAAP1M0t53T2ptJg49VzH5VGs3Y0vuZrvNG Jvk6zO6YGMxuSPSZNsjjNBChqy5aOYUbsictDvi7AOCHrrh4G3stL1efvXx+R6jWrPkm y4vw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=jYduAdnG; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t20si6269991otr.64.2020.02.24.09.08.56; Mon, 24 Feb 2020 09:09:10 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=jYduAdnG; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727851AbgBXRIT (ORCPT + 99 others); Mon, 24 Feb 2020 12:08:19 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:60482 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727090AbgBXRIT (ORCPT ); Mon, 24 Feb 2020 12:08:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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=RI4pNizaN/Qi/rAlgJxrBQWDqEZh68K0XdARYBgsCFs=; b=jYduAdnGRYYPQlZW9TslYS2O7V nzFnwPrCjyUubFLzDx+WDdhxRE7xCW1dXLBb8wKF85nsDjvc0+lDIndVb8YX/uDB22Ow/S08eMz2E k4GGN/gINDJy8qhaLzJo0ZMHlmDGIwgckFeKRTmZzqEkS98+IBTIT8wJz6K4kWkUUlYPl7jEgrIyK HzerGlkQDfR9lJPudGYmPvrZFjKUMBrJ5+IO1UtPif66/pUhr0h1dd0Eq10Zt95ga47eU8ZPK0yZ9 3fy36JsB59IHAW37pNaXjdChsf8aEyN+46wEs2y9ppVSXo9Zq5KfmRoV3p4Ya3tYIQuyarmZUU9fR xuFkORVA==; Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1j6HDJ-0000Zi-KX; Mon, 24 Feb 2020 17:08:13 +0000 Date: Mon, 24 Feb 2020 09:08:13 -0800 From: hch To: Nikolai Merinov Cc: hch , Davidlohr Bueso , Jens Axboe , Ard Biesheuvel , linux-efi , linux-block , linux-kernel Subject: Re: [PATCH v3] partitions/efi: Fix partition name parsing in GUID partition entry Message-ID: <20200224170813.GA27403@infradead.org> References: <20181124162123.21300-1-n.merinov@inango-systems.com> <20191224092119.4581-1-n.merinov@inango-systems.com> <20200108133926.GC4455@infradead.org> <26f7bd89f212f68b03a4b207e96d8702c9049015.1578910723.git.n.merinov@inango-systems.com> <20200218185336.GA14242@infradead.org> <797777312.1324734.1582544319435.JavaMail.zimbra@inango-systems.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <797777312.1324734.1582544319435.JavaMail.zimbra@inango-systems.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 24, 2020 at 01:38:39PM +0200, Nikolai Merinov wrote: > Hi Christoph, > > > I'd rather use plain __le16 and le16_to_cpu here. Also the be > > variants seems to be entirely unused. > > Looks like I misunderstood your comment from https://patchwork.kernel.org/patch/11309223/: > > > Please add a an efi_char_from_cpu or similarly named helper > > to encapsulate this logic. > > The "le16_to_cpu(ptes[i].partition_name[label_count])" call is the > full implementation of the "efi_char_from_cpu" logic. Do you want > to encapsulate "utf16_le_to_7bit_string" logic entirely like in > the attached version? I think I though of just the inner loop, but your new version looks even better, so: Reviewed-by: Christoph Hellwig