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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 9CD26C433E2 for ; Thu, 17 Sep 2020 16:40:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51F602078D for ; Thu, 17 Sep 2020 16:40:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="adzEyNZL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728593AbgIQQkR (ORCPT ); Thu, 17 Sep 2020 12:40:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728457AbgIQQjV (ORCPT ); Thu, 17 Sep 2020 12:39:21 -0400 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD63BC06178A for ; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) Received: by mail-qk1-x744.google.com with SMTP id 16so2895326qkf.4 for ; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=adzEyNZLe2lQX5kpuTuGY7FirDTdklycKFQYwPubA75xbgb5j6TD8ugrCI9bf7/dzt eiHHohZO+AnHSbJDTAvNMn2jBQ6JDcjLQMk3PWJV1eYz6vegb9MVG6Vqa7rp+RbSNba8 foT0asL3W+B3RxnKV3BG/TZaQkkZydfwK38tce+3QLd4GgBxkdix9rlthBQRsvulbuhr znE6bDJ7PC7wrhL7/rCJimbDdwTHZl2Smzt4CuMu660WrRCrToNnF9RBP8oGf4nH0kEJ oNpDAzQj7uDJ0JzjGo+G3JuPYol20PLqQ1hak18E+tQ23TdfG63HPVeD5B0NtaY5P4oD TA4A== 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:content-transfer-encoding :in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=HRrYsNB7AEbXenNwOzbvXU4rax7HRv0LGx2X0wBPv4BJJiR6GgB898l9lCoIVLGv9M ISQdJ3o28iBchI8mjFTLfxcqVaEqfuhEaOu8v6AfJjSgh9qKi/I4PiJhw9Dja5IG7E/a Y1sHvkwANLqNWa1vgPBn5MrakTiV7HakwfL6BOr4PaZ+4q0I2A+y8VlaV+kl5Zv09wpQ +Bz9Cw+T3TK6GmjUnBuGrKVgPT/vffl99loJx6W+gbCkgFBIiarCn507mvgbckYh5Xw0 I1ceQCKgNukyzJV3s1jyPvq5ayUcEPtPFXm+TII8kLB5InPTtx9Q5ctD5jkl+Jj7wsyK AQzw== X-Gm-Message-State: AOAM533UIVUGKqmZTlI5Bcbgqbid4Wh0vedCzTcsD5zCwRxWhuxUhjy0 QaqMLSJlm6A8d9sihjn+VVbZm1UZXtTO+0Re X-Google-Smtp-Source: ABdhPJzXIO0eWNvXRiCeMQQ1VpPTu2QRRGdP2RU1h44X5j1zQ/qFh5iONStmiiT0w4aqZdD7WTkmUw== X-Received: by 2002:a37:5145:: with SMTP id f66mr17238436qkb.299.1600360749095; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id 8sm207979qkd.47.2020.09.17.09.39.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 09:39:08 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kIww7-000WtZ-PQ; Thu, 17 Sep 2020 13:39:07 -0300 Date: Thu, 17 Sep 2020 13:39:07 -0300 From: Jason Gunthorpe To: Christian =?utf-8?B?S8O2bmln?= Cc: Daniel Vetter , Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , Andrew Morton , "open list:DMA BUFFER SHARING FRAMEWORK" Subject: Re: [Linaro-mm-sig] Changing vma->vm_file in dma_buf_mmap() Message-ID: <20200917163907.GI8409@ziepe.ca> References: <20200917113110.GE8409@ziepe.ca> <6fd74b84-959c-8b3b-c27b-e9fbf66396c7@gmail.com> <20200917121858.GF8409@ziepe.ca> <20200917143551.GG8409@ziepe.ca> <5b330920-c789-fac7-e9b1-49f3bc1097a8@gmail.com> <20200917152456.GH8409@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 17, 2020 at 06:06:14PM +0200, Christian König wrote: > > > If it is already taking a page fault I'm not sure the extra function > > > call indirection is going to be a big deal. Having a uniform VMA > > > sounds saner than every driver custom rolling something. > > > > > > When I unwound a similar mess in RDMA all the custom VMA stuff in the > > > drivers turned out to be generally buggy, at least. > > > > > > Is vma->vm_file->private_data universally a dma_buf pointer at least? > > Nope. I think if you want this without some large scale rewrite of a > > lot of code we'd need a vmops->get_dmabuf or similar. Not pretty, but > > would get the job done. > > Yeah, agree that sounds like the simplest approach. I don't think that will fly, it is clearly only papering over a mess inside DRM/dma buf :\ Jason 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 2F7BDC43461 for ; Thu, 17 Sep 2020 16:39:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 99429214D8 for ; Thu, 17 Sep 2020 16:39:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="adzEyNZL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 99429214D8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id F31D26B0003; Thu, 17 Sep 2020 12:39:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id F08F66B0037; Thu, 17 Sep 2020 12:39:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DF7956B0055; Thu, 17 Sep 2020 12:39:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0111.hostedemail.com [216.40.44.111]) by kanga.kvack.org (Postfix) with ESMTP id CA67A6B0003 for ; Thu, 17 Sep 2020 12:39:10 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 9476F2C7C for ; Thu, 17 Sep 2020 16:39:10 +0000 (UTC) X-FDA: 77273113260.01.line65_0c003ec27124 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin01.hostedemail.com (Postfix) with ESMTP id 7A3161004D5D1 for ; Thu, 17 Sep 2020 16:39:10 +0000 (UTC) X-HE-Tag: line65_0c003ec27124 X-Filterd-Recvd-Size: 4748 Received: from mail-qk1-f194.google.com (mail-qk1-f194.google.com [209.85.222.194]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Thu, 17 Sep 2020 16:39:09 +0000 (UTC) Received: by mail-qk1-f194.google.com with SMTP id d20so2895075qka.5 for ; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=adzEyNZLe2lQX5kpuTuGY7FirDTdklycKFQYwPubA75xbgb5j6TD8ugrCI9bf7/dzt eiHHohZO+AnHSbJDTAvNMn2jBQ6JDcjLQMk3PWJV1eYz6vegb9MVG6Vqa7rp+RbSNba8 foT0asL3W+B3RxnKV3BG/TZaQkkZydfwK38tce+3QLd4GgBxkdix9rlthBQRsvulbuhr znE6bDJ7PC7wrhL7/rCJimbDdwTHZl2Smzt4CuMu660WrRCrToNnF9RBP8oGf4nH0kEJ oNpDAzQj7uDJ0JzjGo+G3JuPYol20PLqQ1hak18E+tQ23TdfG63HPVeD5B0NtaY5P4oD TA4A== 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:content-transfer-encoding :in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=o0ltBT9TlV/6VFdmNMcVGcpkFoTIX3bwwtFkN/kBM8dbK57pKLrZeX8+Pbj9R8ibII b8+GfMfi1UHAFrUqjeIAqlfSsYCeK13p6hzHAiTVg16AqHXzIgQeLN8OPzBMqCLM47At IMY2+phn4W5orrj2k72oZ7CZbbS1aT4cdx2L6nRdIrhbyzjxUb6RYlPYtZ9lFN6pIYCU ZZc93HP3m/g0QMQR2ztyIVYNKHQ6B3UGvhdDs6UN9koOdXJw6DB8SjYGH1AwIEgGD9vU GO2GadksFzlM4gUC+fa/W7PhS+8ZVBwgRGJ/u4XV+LQR89wX6fBuloVupf7d5UCPNYQA ujDQ== X-Gm-Message-State: AOAM531eArrkeJF5BduyfTq1rZbTp97SK8bxTzGMaGMKChps9CTEugav MTbowIhNrCvifmXKknt3RcwyHw== X-Google-Smtp-Source: ABdhPJzXIO0eWNvXRiCeMQQ1VpPTu2QRRGdP2RU1h44X5j1zQ/qFh5iONStmiiT0w4aqZdD7WTkmUw== X-Received: by 2002:a37:5145:: with SMTP id f66mr17238436qkb.299.1600360749095; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id 8sm207979qkd.47.2020.09.17.09.39.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 09:39:08 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kIww7-000WtZ-PQ; Thu, 17 Sep 2020 13:39:07 -0300 Date: Thu, 17 Sep 2020 13:39:07 -0300 From: Jason Gunthorpe To: Christian =?utf-8?B?S8O2bmln?= Cc: Daniel Vetter , Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , Andrew Morton , "open list:DMA BUFFER SHARING FRAMEWORK" Subject: Re: [Linaro-mm-sig] Changing vma->vm_file in dma_buf_mmap() Message-ID: <20200917163907.GI8409@ziepe.ca> References: <20200917113110.GE8409@ziepe.ca> <6fd74b84-959c-8b3b-c27b-e9fbf66396c7@gmail.com> <20200917121858.GF8409@ziepe.ca> <20200917143551.GG8409@ziepe.ca> <5b330920-c789-fac7-e9b1-49f3bc1097a8@gmail.com> <20200917152456.GH8409@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable 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 Thu, Sep 17, 2020 at 06:06:14PM +0200, Christian K=C3=B6nig wrote: > > > If it is already taking a page fault I'm not sure the extra functio= n > > > call indirection is going to be a big deal. Having a uniform VMA > > > sounds saner than every driver custom rolling something. > > >=20 > > > When I unwound a similar mess in RDMA all the custom VMA stuff in t= he > > > drivers turned out to be generally buggy, at least. > > >=20 > > > Is vma->vm_file->private_data universally a dma_buf pointer at leas= t? > > Nope. I think if you want this without some large scale rewrite of a > > lot of code we'd need a vmops->get_dmabuf or similar. Not pretty, but > > would get the job done. >=20 > Yeah, agree that sounds like the simplest approach. I don't think that will fly, it is clearly only papering over a mess inside DRM/dma buf :\ Jason 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,URIBL_BLOCKED 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 6B36DC43464 for ; Thu, 17 Sep 2020 22:17:14 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 16CCF20874 for ; Thu, 17 Sep 2020 22:17:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="adzEyNZL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 16CCF20874 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 307726E3D2; Thu, 17 Sep 2020 22:17:08 +0000 (UTC) Received: from mail-qk1-x742.google.com (mail-qk1-x742.google.com [IPv6:2607:f8b0:4864:20::742]) by gabe.freedesktop.org (Postfix) with ESMTPS id 219C86E2B8 for ; Thu, 17 Sep 2020 16:39:10 +0000 (UTC) Received: by mail-qk1-x742.google.com with SMTP id d20so2895074qka.5 for ; Thu, 17 Sep 2020 09:39:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=adzEyNZLe2lQX5kpuTuGY7FirDTdklycKFQYwPubA75xbgb5j6TD8ugrCI9bf7/dzt eiHHohZO+AnHSbJDTAvNMn2jBQ6JDcjLQMk3PWJV1eYz6vegb9MVG6Vqa7rp+RbSNba8 foT0asL3W+B3RxnKV3BG/TZaQkkZydfwK38tce+3QLd4GgBxkdix9rlthBQRsvulbuhr znE6bDJ7PC7wrhL7/rCJimbDdwTHZl2Smzt4CuMu660WrRCrToNnF9RBP8oGf4nH0kEJ oNpDAzQj7uDJ0JzjGo+G3JuPYol20PLqQ1hak18E+tQ23TdfG63HPVeD5B0NtaY5P4oD TA4A== 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:content-transfer-encoding :in-reply-to; bh=+pVCxdlOuttO0x9cQvyDQMtVpumybNdFktYswl2oQtg=; b=hI8jx/JxZ2tt7eY2a3aVbTPqW3C5nyIrywQdKpP4e+AuxFj01s33PaHZ9WIbODMnML pDa8iGtAbaFX8ZuMthdoLI48cZNaKxVv4OXE7KIW2p1BOp+KaM0XGpvLy9L88yGj1na4 XtCNSi3XvSNi6ADQMNajboZeCABpTCwtJZcvIcGn/r40WtGp6LKzVpXRbXhcFn0CI3nw pkkC2wJrJaTSPWx+IGTo5a9fYuamah24C+Ff5GA4b56S4BRkYgVdUJpYm4Ouga2UrXaa pig2aAO+ZC5EtcxAasGJFPswsXBLGA8WgJQwSwFhNolY2eb5FxTxPFrR0HAvMtBgbNB0 /ohQ== X-Gm-Message-State: AOAM5303qCLeiAuxIjQAYbJvuCbKbfVm8okhVwtGY03mGgP8XW7X5WtJ /IWeSi5Avf6fy8toglEDPkTtAg== X-Google-Smtp-Source: ABdhPJzXIO0eWNvXRiCeMQQ1VpPTu2QRRGdP2RU1h44X5j1zQ/qFh5iONStmiiT0w4aqZdD7WTkmUw== X-Received: by 2002:a37:5145:: with SMTP id f66mr17238436qkb.299.1600360749095; Thu, 17 Sep 2020 09:39:09 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id 8sm207979qkd.47.2020.09.17.09.39.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 09:39:08 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kIww7-000WtZ-PQ; Thu, 17 Sep 2020 13:39:07 -0300 Date: Thu, 17 Sep 2020 13:39:07 -0300 From: Jason Gunthorpe To: Christian =?utf-8?B?S8O2bmln?= Subject: Re: [Linaro-mm-sig] Changing vma->vm_file in dma_buf_mmap() Message-ID: <20200917163907.GI8409@ziepe.ca> References: <20200917113110.GE8409@ziepe.ca> <6fd74b84-959c-8b3b-c27b-e9fbf66396c7@gmail.com> <20200917121858.GF8409@ziepe.ca> <20200917143551.GG8409@ziepe.ca> <5b330920-c789-fac7-e9b1-49f3bc1097a8@gmail.com> <20200917152456.GH8409@ziepe.ca> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailman-Approved-At: Thu, 17 Sep 2020 22:17:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , Andrew Morton , "open list:DMA BUFFER SHARING FRAMEWORK" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gVGh1LCBTZXAgMTcsIDIwMjAgYXQgMDY6MDY6MTRQTSArMDIwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiA+ID4gSWYgaXQgaXMgYWxyZWFkeSB0YWtpbmcgYSBwYWdlIGZhdWx0IEknbSBu b3Qgc3VyZSB0aGUgZXh0cmEgZnVuY3Rpb24KPiA+ID4gY2FsbCBpbmRpcmVjdGlvbiBpcyBnb2lu ZyB0byBiZSBhIGJpZyBkZWFsLiBIYXZpbmcgYSB1bmlmb3JtIFZNQQo+ID4gPiBzb3VuZHMgc2Fu ZXIgdGhhbiBldmVyeSBkcml2ZXIgY3VzdG9tIHJvbGxpbmcgc29tZXRoaW5nLgo+ID4gPiAKPiA+ ID4gV2hlbiBJIHVud291bmQgYSBzaW1pbGFyIG1lc3MgaW4gUkRNQSBhbGwgdGhlIGN1c3RvbSBW TUEgc3R1ZmYgaW4gdGhlCj4gPiA+IGRyaXZlcnMgdHVybmVkIG91dCB0byBiZSBnZW5lcmFsbHkg YnVnZ3ksIGF0IGxlYXN0Lgo+ID4gPiAKPiA+ID4gSXMgdm1hLT52bV9maWxlLT5wcml2YXRlX2Rh dGEgdW5pdmVyc2FsbHkgYSBkbWFfYnVmIHBvaW50ZXIgYXQgbGVhc3Q/Cj4gPiBOb3BlLiBJIHRo aW5rIGlmIHlvdSB3YW50IHRoaXMgd2l0aG91dCBzb21lIGxhcmdlIHNjYWxlIHJld3JpdGUgb2Yg YQo+ID4gbG90IG9mIGNvZGUgd2UnZCBuZWVkIGEgdm1vcHMtPmdldF9kbWFidWYgb3Igc2ltaWxh ci4gTm90IHByZXR0eSwgYnV0Cj4gPiB3b3VsZCBnZXQgdGhlIGpvYiBkb25lLgo+IAo+IFllYWgs IGFncmVlIHRoYXQgc291bmRzIGxpa2UgdGhlIHNpbXBsZXN0IGFwcHJvYWNoLgoKSSBkb24ndCB0 aGluayB0aGF0IHdpbGwgZmx5LCBpdCBpcyBjbGVhcmx5IG9ubHkgcGFwZXJpbmcgb3ZlciBhIG1l c3MKaW5zaWRlIERSTS9kbWEgYnVmIDpcCgpKYXNvbgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWwK