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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12712C433EF for ; Fri, 19 Nov 2021 04:45:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E804061B3B for ; Fri, 19 Nov 2021 04:45:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231773AbhKSEsD (ORCPT ); Thu, 18 Nov 2021 23:48:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229701AbhKSEsC (ORCPT ); Thu, 18 Nov 2021 23:48:02 -0500 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94C4EC061574; Thu, 18 Nov 2021 20:45:01 -0800 (PST) Received: by mail-pf1-x441.google.com with SMTP id o4so8283629pfp.13; Thu, 18 Nov 2021 20:45:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=WYxBM7E+DXLajudk0Iw+qae0dFuTPjJ00RaPfDnZdrM=; b=q43pMTDl0ypnZrSGeWZTiZdwRWcd5564vSYVWRsInL6woetOZBWllewRRFRQfu0z/0 1F3hUgm0bbDaWC+dr1NLoxQLhnu3homfILY3cVO0SBGKRKqqSqsLRGFf+DxdkbV1DaXA YhFIYF08y+wc2R/sl3NB3+ufDrMOhP+zAGocB5fmxV8yd1MpPNpwMMiKgV7Xo/0KmKok SFEmMTYQE1WYBcIf0V7Z++jHKi4s2DnTN/COZ+M+gl2gRJg9kWMmt+cjVkR51P8cpaGX Y0J3GeIruPlv1ytvvYcXtpQVbWQcEpWq9S2Fetoq6vGiDe3Y48gTUEX0ldE8ylah8TIx Xi4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=WYxBM7E+DXLajudk0Iw+qae0dFuTPjJ00RaPfDnZdrM=; b=hzAs08y8Yg9UayXjqAwh3ZUHz89kBJkYYmvA4niL7xl8wiuqXOgr31XdtIfDASAxYi AZrGlTDag643IaCP8kzLjKrIgnkYHbaOOMMOPecxTL9wBGk/xbxlil5VTeAwrKzNtVQ/ 1vEUprFBgs7V+H558ZFryfnmUlwT0zI031B9VL2BC6eOVQQPq91k2hU76XYcXFeznlwr HE9zxoLoubYvdWjOH+3+8FSfOn9EHRrWl2dpKzKkA5xQ/niTvOtsgVv5Qi1YXEQEqyTa Y/P5U7gF1EtStvGDFsnkCu1MvIhU/P6HZUzErmL0rkbDDGaC3hF3KOl1CdKkEjSkJx1v 0mpg== X-Gm-Message-State: AOAM532VrIPsiNhwcHEwa9m9qaDlHmUFJHouLNzyO51JtiIOKUqm0oVj eigA/SuvPSZhtUhT7prlPa0= X-Google-Smtp-Source: ABdhPJxDfIqzNdXBp+72aGLZluHUfzdGJ9Yr/liq9TgPspYQqNuBu8zdv8iX8qQ/kUPONT08cVxHyg== X-Received: by 2002:a05:6a00:2441:b0:4a0:ddb0:a6ff with SMTP id d1-20020a056a00244100b004a0ddb0a6ffmr20709667pfj.74.1637297101122; Thu, 18 Nov 2021 20:45:01 -0800 (PST) Received: from localhost ([2405:201:6014:d064:502e:73f4:8af1:9522]) by smtp.gmail.com with ESMTPSA id z16sm928204pgl.29.2021.11.18.20.45.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Nov 2021 20:45:00 -0800 (PST) Date: Fri, 19 Nov 2021 10:14:58 +0530 From: Kumar Kartikeya Dwivedi To: Alexei Starovoitov Cc: bpf@vger.kernel.org, Jens Axboe , Pavel Begunkov , io-uring@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Pavel Emelyanov , Alexander Mihalicyn , Andrei Vagin , criu@openvz.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH bpf-next v1 1/8] io_uring: Implement eBPF iterator for registered buffers Message-ID: <20211119044458.il4qq5cpnw4xijyl@apollo.localdomain> References: <20211116054237.100814-1-memxor@gmail.com> <20211116054237.100814-2-memxor@gmail.com> <20211118220226.ritjbjeh5s4yw7hl@ast-mbp.dhcp.thefacebook.com> <20211119041523.cf427s3hzj75f7jr@apollo.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211119041523.cf427s3hzj75f7jr@apollo.localdomain> Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Fri, Nov 19, 2021 at 09:45:23AM IST, Kumar Kartikeya Dwivedi wrote: > [...] > E.g. if we find that fd 1 and 2 are registered in the io_uring, and buffer at > 0xabcd with len 128, then we first restore fd 1 and 2 (which can be anything) > at restore time, then after this restore is complete, continue restoration of > io_uring by executing file registration step for both [0], and depending on if This was meant to link to https://criu.org/Fdinfo_engine. > [...] -- Kartikeya