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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 2B599C4338F for ; Sat, 24 Jul 2021 16:24:03 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2743360E78 for ; Sat, 24 Jul 2021 16:24:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2743360E78 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 66D0C6B0033; Sat, 24 Jul 2021 12:24:01 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 61CFB6B005D; Sat, 24 Jul 2021 12:24:01 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 531B26B006C; Sat, 24 Jul 2021 12:24:01 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0052.hostedemail.com [216.40.44.52]) by kanga.kvack.org (Postfix) with ESMTP id 37B596B0033 for ; Sat, 24 Jul 2021 12:24:01 -0400 (EDT) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id D776C18035429 for ; Sat, 24 Jul 2021 16:24:00 +0000 (UTC) X-FDA: 78398003040.03.F6489A2 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf04.hostedemail.com (Postfix) with ESMTP id CC04F500A6CD for ; Sat, 24 Jul 2021 16:23:59 +0000 (UTC) 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=UdKbYcMBZylcrRBVcQRb8LlJpC27Qlfh0Nw1vs/Gwg0=; b=cqmb2WZM0kG49hKRcejfxgDd1m gg5Tf9URvWsomrRWIClBSDVXqzWwIov6bg2Z2xToDG3TJUHNBeILYodDfGmy3/e64idGeRewF+ZM+ 7qTBZC+VDNVnS4sBZzoRihTgCI/+dRXLPuu9EXiBsqW/QbqiNYAuAaxkV/y+15uqKXd/iCsf98UMl CFIAakZnIlDNhtq6h+8k7j3O+I3SYBmcY4Eq0BBaHITLyrUrRGYKTqdDClwM8EHqnAIrSPbMiNtZF d00myIoTQfoscRiS1SHwtPgJ32OtQbckZJuSVKCuqW0JQkRQ2MURm5RIoiNPEudbzrWO4NdcVKm3D u9IIUX9w==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1m7KR8-00CO3a-5N; Sat, 24 Jul 2021 16:23:40 +0000 Date: Sat, 24 Jul 2021 17:23:38 +0100 From: Matthew Wilcox To: Christoph Hellwig Cc: Andrew Morton , chaitanya.kulkarni@wdc.com, ira.weiny@intel.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, stable@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: [patch 06/15] mm: call flush_dcache_page() in memcpy_to_page() and memzero_page() Message-ID: References: <20210723154926.c6cda0f262b1990b950a5886@linux-foundation.org> <20210723225017.xFO0jZesP%akpm@linux-foundation.org> <20210724065954.GA2505@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210724065954.GA2505@lst.de> Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=cqmb2WZM; spf=none (imf04.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: CC04F500A6CD X-Stat-Signature: g7sewba78ewfqmathby9jand3isgoi6e X-HE-Tag: 1627143839-24444 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Jul 24, 2021 at 08:59:54AM +0200, Christoph Hellwig wrote: > On Fri, Jul 23, 2021 at 03:50:17PM -0700, Andrew Morton wrote: > > one used the PC floppy dr\u0456ver, the aha1542 driver for an ISA SCSI > > Looks like I produced some messed up utf8 chars again - the above garbage > should read "driver" of course. I went back and looked it up, and you did indeed manage to type: U+0456 CYRILLIC SMALL LETTER BYELORUSSIAN-UKRAINIAN I character (і) It's on the list: http://www.unicode.org/Public/security/revision-05/confusables.txt Maybe someone could do something with that file to prevent the confusables from slipping in when unwanted?