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 E4DA0C4332F for ; Thu, 10 Mar 2022 18:48:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5AEEE8D0002; Thu, 10 Mar 2022 13:48:06 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 54DA78D0001; Thu, 10 Mar 2022 13:48:06 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3EEE48D0002; Thu, 10 Mar 2022 13:48:06 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0004.hostedemail.com [216.40.44.4]) by kanga.kvack.org (Postfix) with ESMTP id 2C6548D0001 for ; Thu, 10 Mar 2022 13:48:06 -0500 (EST) Received: from smtpin28.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 9F6DB9CD5E for ; Thu, 10 Mar 2022 18:48:05 +0000 (UTC) X-FDA: 79229361330.28.135AF2E Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf01.hostedemail.com (Postfix) with ESMTP id DE06640017 for ; Thu, 10 Mar 2022 18:48:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1646938084; 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=IAMDDR/OlT3VUgZyoMb3yfhymErEdiK+nlypftXgzIc=; b=L95FzoucO5YpNZS05TLabBg8F6qfycDz21uE6iB2UbkSWPUk7coaYwbv0kq99xSCsQkvWC DMoWJ3CoyHxmnUBC4aeXhymRN3eIfZJ9zfqbcWrP5Aq5VnSgNC1LgOfdSOIITjReFjxaVA Q/7CbVepiHoiNveIgIDgJzCZtUyIJ8k= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-633-SaMFo4KUMk2Pvkyo23ttzw-1; Thu, 10 Mar 2022 13:48:02 -0500 X-MC-Unique: SaMFo4KUMk2Pvkyo23ttzw-1 Received: by mail-wr1-f72.google.com with SMTP id x15-20020a5d6b4f000000b001ee6c0aa287so1999162wrw.9 for ; Thu, 10 Mar 2022 10:48:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=IAMDDR/OlT3VUgZyoMb3yfhymErEdiK+nlypftXgzIc=; b=ikDqDEdzW6DJTAxZ9Hiy2p7k0K7IMtazu8TABjh4VKx9V+GBq9ob68iMUrSBE03o6L B8nwTeTYClF+vMRGmMu639HfrAo6KcD8Ehh3M4Zko07hzLPS1oYC1VYbRWbQ5BVOQlAt J0npSgGnwSUfDEdMIn1uvC6bg1fvy5ovU47OWmnB5iwXtUUugkB5fInMw/L1HohNYbrJ 4a3dYsl5+aIi+fxwKCpoXL2Tq6+VFyz/RNRfNikAKdNb7KqAhEVcuEKMqiMQI77bNDH2 JFGeeMOl+NZBJ+HS6t+idsFwyUAZF6BNW4dT6dA8tHMs6yh6PXemYIXlKKhgYiIE9Y3W LxYw== X-Gm-Message-State: AOAM533jk4EL+ZTMC3ODDGUHwnqfNg6oyEzf7cbjq6ha4FrF9ktCOY/p E5gdYUv7GT4g/j1bSSXUOqlWXk14Bw38n/qbVCJtaC7g0xPzdGGP1Z4nzVroFgS9tE+kcQ+Kec9 jhyWmHRC3dgbRhmGt98PhAmeV2uE= X-Received: by 2002:a05:6000:154b:b0:203:7564:930 with SMTP id 11-20020a056000154b00b0020375640930mr4625768wry.349.1646938080536; Thu, 10 Mar 2022 10:48:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJw1y1c4l/wYGkW+ggwZo6uKhbBm9y9Jr+TggF7K0Kz6yMLtKELmt+rxnEHc+KJK41kda9Lif0f87yrE0QOxUj8= X-Received: by 2002:a05:6000:154b:b0:203:7564:930 with SMTP id 11-20020a056000154b00b0020375640930mr4625762wry.349.1646938080321; Thu, 10 Mar 2022 10:48:00 -0800 (PST) MIME-Version: 1.0 References: <02b20949-82aa-665a-71ea-5a67c1766785@redhat.com> In-Reply-To: From: Andreas Gruenbacher Date: Thu, 10 Mar 2022 19:47:48 +0100 Message-ID: Subject: Re: Buffered I/O broken on s390x with page faults disabled (gfs2) To: Linus Torvalds Cc: David Hildenbrand , Alexander Viro , linux-s390 , Linux-MM , linux-fsdevel , linux-btrfs X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: DE06640017 X-Rspam-User: Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=L95Fzouc; dmarc=pass (policy=none) header.from=redhat.com; spf=none (imf01.hostedemail.com: domain of agruenba@redhat.com has no SPF policy when checking 170.10.129.124) smtp.mailfrom=agruenba@redhat.com X-Stat-Signature: 81wk1eysrwbeasxqgyztgy51pabimq8e X-HE-Tag: 1646938084-162877 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Mar 10, 2022 at 7:36 PM Linus Torvalds wrote: > On Thu, Mar 10, 2022 at 9:13 AM David Hildenbrand wrote: > > > > For the time being, the idea LGTM. > > I'll take that as an acked-by, and I think I'll just commit it to my > real tree rather than delay this fix for the next merge window (only > to have it then be marked as stable and applied that wat). Works for me. This should probably still be tagged as: Fixes: cdd591fc86e3 ("iov_iter: Introduce fault_in_iov_iter_writeable") Cc: stable@vger.kernel.org # v5.16+ Thanks, Andreas