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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB137C636D4 for ; Mon, 13 Feb 2023 17:15:29 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 72C4D6B0075; Mon, 13 Feb 2023 12:15:29 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6B56E6B0078; Mon, 13 Feb 2023 12:15:29 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 556246B007B; Mon, 13 Feb 2023 12:15:29 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 415316B0075 for ; Mon, 13 Feb 2023 12:15:29 -0500 (EST) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id EC25A1A0ADD for ; Mon, 13 Feb 2023 17:15:28 +0000 (UTC) X-FDA: 80462919936.10.EC51B49 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf18.hostedemail.com (Postfix) with ESMTP id 8DCFA1C0029 for ; Mon, 13 Feb 2023 17:15:25 +0000 (UTC) Authentication-Results: imf18.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Jc04plX+; spf=pass (imf18.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1676308525; a=rsa-sha256; cv=none; b=wD6tVWK304uKdM06z/1J1vlM4irKQPysSDEtL+lurfSI6+f+15FbBY0F0J1lNhRZclB/lU EUMeoy38UeSB67mqwY1bKlj3HWWuwFF/obRhdkRKjsI+0oVgHXwJU/OvCMlxNxpjxPwCJK hbNl+gmRcqbe9AhNtZIwpZGHagWE4DA= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=Jc04plX+; spf=pass (imf18.hostedemail.com: domain of dhowells@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=dhowells@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1676308525; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=lOkMPiRsM3su8G8btqTABKq0jq916HIkb564+wSAHZY=; b=GWG+788TpgT9jLexQn9tjM+TYLoTBKBQsdRSztSzFItUL+ojauQaOLZaIFBJ75q8JJcLD6 kA/Ztjx0UPKjaLJyRxd5YtmnA5PF1vfrvO94eKolafeByf9Wjmcm6RDO1W2ztBWtnp2AGk ajexQKN5IUFQK/cz9fu1Dfx2aifFwwU= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676308524; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=lOkMPiRsM3su8G8btqTABKq0jq916HIkb564+wSAHZY=; b=Jc04plX+CV/T4afJamV6iqGQi3W8RsBUdmPg2m4kzQlj7IGdUWqSUM/oc4WuC+chNBw8IX Yti3UCtCyGOw85cfVtU9//spHQcgZpi90eDfIClpMeI8iuCTdqFZ0swpPJ23RuFG52jmLF A0gB/9XtNgXPXRmlIMx2k6g7rcpjDB0= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-576-i8k1n6HjNNe-lzbx8dv4Xw-1; Mon, 13 Feb 2023 12:15:19 -0500 X-MC-Unique: i8k1n6HjNNe-lzbx8dv4Xw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id D5B321C0896E; Mon, 13 Feb 2023 17:15:18 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7192F2026D4B; Mon, 13 Feb 2023 17:15:17 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: To: Daniel Golle Cc: dhowells@redhat.com, linux-mm@kvack.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jens Axboe , Christoph Hellwig , Al Viro , David Hildenbrand , John Hubbard Subject: Re: regression in next-20230213: "splice: Do splice read from a buffered file without using ITER_PIPE" MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2344207.1676308516.1@warthog.procyon.org.uk> Date: Mon, 13 Feb 2023 17:15:16 +0000 Message-ID: <2344208.1676308516@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 X-Rspam-User: X-Rspamd-Queue-Id: 8DCFA1C0029 X-Rspamd-Server: rspam01 X-Stat-Signature: 813h78mgxdzown9dn1rmj6jt8gqscckb X-HE-Tag: 1676308525-882271 X-HE-Meta: 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 2cBzp2Ri p2l029O+iV8McQONowt7eaxoOYLKRT71gG+AwDmXNQKJIWvUOPCp0Y7rJA7VmjySs4NWx3UbQm37uyuFpdgrFJzF5RwCYqTC1bI4/3UbZCdp3j6eP7MxBZwE3ggkBmJyQD7j3glcwLiUK46KUAwU/KNI2+GYuVyBy75ssZJKo5F427W0qmvxwtIhsv06mfBOpCpNfD1KD2oQIFqzlI0FLtkf5jLMv4o3DgANfAphieJ2ipUnXAuOv7vQzhtMZCFvEd/2KfqBNfW/p5v0aZt0dqJMMiVhYlYECouvLeEp7cGkuizcy/+FDorvZfNtRX9IcHTZ3CcCvZU8ssj/UUDgInkR6Ug== 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: Daniel Golle wrote: > I'm Currently trying linux-next daily on various MediaTek ARM64 SoCs. > As of next-20230213 I'm now facing this bug: Do you have any information about what the machine was using as the source and destination of sendfile()? What filesystem was involved? It looks like it was doing a cat. > [ 30.379325] filemap_get_pages+0x254/0x604 Would you also be able to find out what line that was on? David