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=-11.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 C4E6FC433ED for ; Wed, 28 Apr 2021 15:11:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2D2DA6143D for ; Wed, 28 Apr 2021 15:11:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D2DA6143D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9A3C96B0036; Wed, 28 Apr 2021 11:11:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 97AAF6B0072; Wed, 28 Apr 2021 11:11:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 81C296B0073; Wed, 28 Apr 2021 11:11:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0168.hostedemail.com [216.40.44.168]) by kanga.kvack.org (Postfix) with ESMTP id 6498A6B0036 for ; Wed, 28 Apr 2021 11:11:08 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 229E7180AD820 for ; Wed, 28 Apr 2021 15:11:08 +0000 (UTC) X-FDA: 78082113816.26.7340A0A Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by imf03.hostedemail.com (Postfix) with ESMTP id E9918C0007F1 for ; Wed, 28 Apr 2021 15:11:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619622667; 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=T807XqCTr78fh+zT3Qv4di+WLGWcFE6R3h9u02iLdq0=; b=OZ2Z7psUTHyhXPnamxMkJa7+0M5XQddubzY18T/sJG3h0Ze+iQAvKUbpuz3qR3pu5pASiM ZxTeNO8OikSVwzo6bJuEkkewuJWyILJPFtcea4WjisMPSHUPn/CtcW5btv7gcpVZ33bE85 pGtM6+nntapuujEE3g0X/ghQ5xYLCIw= Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-343-yDKGzGFSOHSP-0prrDmqcQ-1; Wed, 28 Apr 2021 11:11:05 -0400 X-MC-Unique: yDKGzGFSOHSP-0prrDmqcQ-1 Received: by mail-qt1-f197.google.com with SMTP id k13-20020ac8140d0000b02901bad0e39d8fso1792484qtj.6 for ; Wed, 28 Apr 2021 08:11:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=T807XqCTr78fh+zT3Qv4di+WLGWcFE6R3h9u02iLdq0=; b=sgfQT/NIPC7rayb4Furan2B0yThP8T2jDGt16o/qg4oe6Pu2AKnIwlXgINgswJS+Nn Hj+8tUK3ilN4DwrEvQhu36Kk2NXMxJQeu9nrt14JbOGJV3cwtjN2hyao7iE72+wdkQBr SGOb+5TjJQ1ZXnWiGWsSFQcryA0tZbrhsF8hhkkAn0ad/j1jj0SNb1t6Q4ciAV3U4xqQ 4Hyk/nk8mWe89lE8xSU4/ulwdD014M9AVBHrXG3fjYTBPMtahGSosLsC1hgdIOvlXZkd 9BVfhV59DqarJDt/5SzNaMGCvhRNWWaz2vPSV8Pz2kWN95SrChAyKa3HOntuIajkmIYB zxYA== X-Gm-Message-State: AOAM531faCWSyz7c8eH6qT6iB45Gggy4nAL4znbrn9qYgWthWmLksPgu ww6UYWDfD3rHKXouSRYHV/zlfyHTm62ursZcYKiZIXjmKaQyDUeQoNTPaeVOdqlEskfqBNdmncx HyqNlbhMqpUo= X-Received: by 2002:ac8:7a6f:: with SMTP id w15mr27072604qtt.153.1619622664721; Wed, 28 Apr 2021 08:11:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxmlz6i+k8GL+CodVGGb/U/hb9IU3h8zgSIAJf+VwEX/cqDhpeMEGloDjVttPcXhjj2HOgzLg== X-Received: by 2002:ac8:7a6f:: with SMTP id w15mr27072578qtt.153.1619622664510; Wed, 28 Apr 2021 08:11:04 -0700 (PDT) Received: from xz-x1 (bras-base-toroon474qw-grc-77-184-145-104-227.dsl.bell.ca. [184.145.104.227]) by smtp.gmail.com with ESMTPSA id b17sm194720qto.88.2021.04.28.08.11.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Apr 2021 08:11:04 -0700 (PDT) Date: Wed, 28 Apr 2021 11:11:01 -0400 From: Peter Xu To: Axel Rasmussen Cc: Alexander Viro , Andrea Arcangeli , Andrew Morton , Hugh Dickins , Jerome Glisse , Joe Perches , Lokesh Gidra , Mike Kravetz , Mike Rapoport , Shaohua Li , Shuah Khan , Stephen Rothwell , Wang Qing , linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, Brian Geffon , "Dr . David Alan Gilbert" , Mina Almasry , Oliver Upton Subject: Re: [PATCH v5 05/10] userfaultfd/shmem: advertise shmem minor fault support Message-ID: <20210428151101.GC6584@xz-x1> References: <20210427225244.4326-1-axelrasmussen@google.com> <20210427225244.4326-6-axelrasmussen@google.com> MIME-Version: 1.0 In-Reply-To: <20210427225244.4326-6-axelrasmussen@google.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=peterx@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: E9918C0007F1 X-Stat-Signature: yetwz659bhctdum9fsshzt3jd4arqjs7 Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf03; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619622661-517033 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 Tue, Apr 27, 2021 at 03:52:39PM -0700, Axel Rasmussen wrote: > Now that the feature is fully implemented (the faulting path hooks exist > so userspace is notified, and the ioctl to resolve such faults is > available), advertise this as a supported feature. > > Signed-off-by: Axel Rasmussen Acked-by: Peter Xu -- Peter Xu