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=-11.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0EED7C433E2 for ; Tue, 15 Sep 2020 11:21:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B935120872 for ; Tue, 15 Sep 2020 11:21:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="opnPO/r4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726178AbgIOLUX (ORCPT ); Tue, 15 Sep 2020 07:20:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgIOLPi (ORCPT ); Tue, 15 Sep 2020 07:15:38 -0400 Received: from mail-ej1-x644.google.com (mail-ej1-x644.google.com [IPv6:2a00:1450:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBF7CC061221; Tue, 15 Sep 2020 04:03:42 -0700 (PDT) Received: by mail-ej1-x644.google.com with SMTP id q13so4373484ejo.9; Tue, 15 Sep 2020 04:03:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=reply-to:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=tf9aVEsdXq4hvSPyIfdqowWXQx44PZPondYe5kmz/4k=; b=opnPO/r49FBHXTZplwVibG1zx7WYGIg0k+7HzzemOWXPDTJAPb5OaPiQofB6VKHYOx ZWmCKlUgo/+KApsc/iM6Oyr4UPU+GkFsE1rxiRcjVFtsKyclzVS7L2eDdFUTpqHIZqYr tcrG+95v6XQBOR5ouXG6EKOILLHlseliNnS4GFlamKMXnY6Hd9PfygI9TdpOShLPoWCj XjxK8ROzbHIFXcOM1WGnatlEBXSKtkwCTunXSooQ9yv0kiF07dJpWLVw0p8Jx9SWdPhn HoXYJLSHNaN5AAz5V5Iao4eX4tBfm4tc98ouvb12ri5RA8DAjAKotawpUjfV3h6JHuYB gBxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:subject:to:cc:references:from :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding:content-language; bh=tf9aVEsdXq4hvSPyIfdqowWXQx44PZPondYe5kmz/4k=; b=WOYe8xRpBMBYZHKLlIFPEVk04wlSGJH6Tl1ISzrxejWm57P5HuB8MkBzZFhkwIWQVt XVcf6csbSj48gqTqGAreOn8MWuMcLx/gyXUcKMTPKU0q15iAtCBiQkhFsU7HRj4Gjg6J fEpKPqDAFEQPadqBWim3xW5cg3WDxFKRzt4TRBVYtrs2Aw/B8+a33bvyTa2vLpyaQIAE DdfnKg7CLz4meJfzcUwA1Ej9aSrfR41mQwCuBv8g01dMIEB7iHroOmVs+veF+aTSwjMA jppjgILa6uk4s6sQZlZQXT8jKnq9gteXPqjLhCEutkqKC/agXAKvwxdPn49mfD0ffdIP VT+Q== X-Gm-Message-State: AOAM530dE+2r+qDwx//arM4M+yMai3JbM56RSF6u1roWdM9OHyiUTrkO YSci573YXg0BrmU2ekzYzpT7v9Np6Yy2rw== X-Google-Smtp-Source: ABdhPJxfW0HVgypcFl09FE5Qg1TZt4Ht/6KefSB8Cm0t+kwNcgrEBFWDZzSO/WzygzmfhzF4uCiGjg== X-Received: by 2002:a17:906:9491:: with SMTP id t17mr20156636ejx.253.1600167821140; Tue, 15 Sep 2020 04:03:41 -0700 (PDT) Received: from ?IPv6:2a02:908:1252:fb60:be8a:bd56:1f94:86e7? ([2a02:908:1252:fb60:be8a:bd56:1f94:86e7]) by smtp.gmail.com with ESMTPSA id ks21sm9916283ejb.63.2020.09.15.04.03.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Sep 2020 04:03:40 -0700 (PDT) Reply-To: christian.koenig@amd.com Subject: Re: [PATCH 1/2] drm/shmem-helpers: revert "Redirect mmap for imported dma-buf" To: Daniel Vetter Cc: Andrew Morton , Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , "open list:DMA BUFFER SHARING FRAMEWORK" References: <20200914132920.59183-1-christian.koenig@amd.com> <20200914132920.59183-2-christian.koenig@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <92b77d29-ae9b-b9cd-4e03-f193aa386cae@gmail.com> Date: Tue, 15 Sep 2020 13:03:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 15.09.20 um 12:39 schrieb Daniel Vetter: > On Mon, Sep 14, 2020 at 3:29 PM Christian König > wrote: >> This reverts commit 26d3ac3cb04d171a861952e89324e347598a347f. >> >> We need to figure out if dma_buf_mmap() is valid or not first. >> >> Signed-off-by: Christian König > The trouble is that doing dma-buf mmap by looking at the struct pages > behind the sg list and just inserting those into userspace doesn't > really work any better. You still won't get the unmap_mapping_range > and hence pte shoot-down. So maybe dma_buf_mmap forwarding doesn't > work, but this doesn't make it any better. Good point. Question is what should we do? Return -EPERM? > > Also commit message should probably explain a bit the context here, > not a lot of people have been in our private discussion on this. Well, that's certain true. Christian. > -Daniel > >> --- >> drivers/gpu/drm/drm_gem_shmem_helper.c | 3 --- >> 1 file changed, 3 deletions(-) >> >> diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c >> index 0a952f27c184..cd727343f72b 100644 >> --- a/drivers/gpu/drm/drm_gem_shmem_helper.c >> +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c >> @@ -594,9 +594,6 @@ int drm_gem_shmem_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) >> /* Remove the fake offset */ >> vma->vm_pgoff -= drm_vma_node_start(&obj->vma_node); >> >> - if (obj->import_attach) >> - return dma_buf_mmap(obj->dma_buf, vma, 0); >> - >> shmem = to_drm_gem_shmem_obj(obj); >> >> ret = drm_gem_shmem_get_pages(shmem); >> -- >> 2.17.1 >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel > > 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=-10.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 F19EDC433E2 for ; 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([2a02:908:1252:fb60:be8a:bd56:1f94:86e7]) by smtp.gmail.com with ESMTPSA id ks21sm9916283ejb.63.2020.09.15.04.03.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Sep 2020 04:03:40 -0700 (PDT) Reply-To: christian.koenig@amd.com Subject: Re: [PATCH 1/2] drm/shmem-helpers: revert "Redirect mmap for imported dma-buf" To: Daniel Vetter Cc: Andrew Morton , Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , "open list:DMA BUFFER SHARING FRAMEWORK" References: <20200914132920.59183-1-christian.koenig@amd.com> <20200914132920.59183-2-christian.koenig@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <92b77d29-ae9b-b9cd-4e03-f193aa386cae@gmail.com> Date: Tue, 15 Sep 2020 13:03:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US X-Rspamd-Queue-Id: ED7F918140B70 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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: Am 15.09.20 um 12:39 schrieb Daniel Vetter: > On Mon, Sep 14, 2020 at 3:29 PM Christian K=C3=B6nig > wrote: >> This reverts commit 26d3ac3cb04d171a861952e89324e347598a347f. >> >> We need to figure out if dma_buf_mmap() is valid or not first. >> >> Signed-off-by: Christian K=C3=B6nig > The trouble is that doing dma-buf mmap by looking at the struct pages > behind the sg list and just inserting those into userspace doesn't > really work any better. You still won't get the unmap_mapping_range > and hence pte shoot-down. So maybe dma_buf_mmap forwarding doesn't > work, but this doesn't make it any better. Good point. Question is what should we do? Return -EPERM? > > Also commit message should probably explain a bit the context here, > not a lot of people have been in our private discussion on this. Well, that's certain true. Christian. > -Daniel > >> --- >> drivers/gpu/drm/drm_gem_shmem_helper.c | 3 --- >> 1 file changed, 3 deletions(-) >> >> diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/= drm_gem_shmem_helper.c >> index 0a952f27c184..cd727343f72b 100644 >> --- a/drivers/gpu/drm/drm_gem_shmem_helper.c >> +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c >> @@ -594,9 +594,6 @@ int drm_gem_shmem_mmap(struct drm_gem_object *obj,= struct vm_area_struct *vma) >> /* Remove the fake offset */ >> vma->vm_pgoff -=3D drm_vma_node_start(&obj->vma_node); >> >> - if (obj->import_attach) >> - return dma_buf_mmap(obj->dma_buf, vma, 0); >> - >> shmem =3D to_drm_gem_shmem_obj(obj); >> >> ret =3D drm_gem_shmem_get_pages(shmem); >> -- >> 2.17.1 >> >> _______________________________________________ >> dri-devel mailing list >> dri-devel@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/dri-devel > > 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=-10.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 22CAFC43461 for ; Tue, 15 Sep 2020 11:03:45 +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 CF9D821D1B for ; Tue, 15 Sep 2020 11:03:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="opnPO/r4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CF9D821D1B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com 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 CB7CE89FE8; Tue, 15 Sep 2020 11:03:43 +0000 (UTC) Received: from mail-ej1-x643.google.com (mail-ej1-x643.google.com [IPv6:2a00:1450:4864:20::643]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8D2E389FE8 for ; Tue, 15 Sep 2020 11:03:42 +0000 (UTC) Received: by mail-ej1-x643.google.com with SMTP id lo4so4397931ejb.8 for ; Tue, 15 Sep 2020 04:03:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=reply-to:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=tf9aVEsdXq4hvSPyIfdqowWXQx44PZPondYe5kmz/4k=; b=opnPO/r49FBHXTZplwVibG1zx7WYGIg0k+7HzzemOWXPDTJAPb5OaPiQofB6VKHYOx ZWmCKlUgo/+KApsc/iM6Oyr4UPU+GkFsE1rxiRcjVFtsKyclzVS7L2eDdFUTpqHIZqYr tcrG+95v6XQBOR5ouXG6EKOILLHlseliNnS4GFlamKMXnY6Hd9PfygI9TdpOShLPoWCj XjxK8ROzbHIFXcOM1WGnatlEBXSKtkwCTunXSooQ9yv0kiF07dJpWLVw0p8Jx9SWdPhn HoXYJLSHNaN5AAz5V5Iao4eX4tBfm4tc98ouvb12ri5RA8DAjAKotawpUjfV3h6JHuYB gBxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:subject:to:cc:references:from :message-id:date:user-agent:mime-version:in-reply-to :content-transfer-encoding:content-language; bh=tf9aVEsdXq4hvSPyIfdqowWXQx44PZPondYe5kmz/4k=; b=V5sIYUKL22rSY73aOAobgPaBJsJe1Cr8Me0S793+9jBgKzJzhnjKWMWC1tXGyJpdz9 bmQg0pRSqjbWOtUV0u5kol9somnkIoBRWyhNH1/Z5tqEqORwijUMU+bMZwfzDTvtsIEv DRNdh4gBPwT2gotleH9Y1LOmykB/xWYNwjAbNDwlszbJO7t3XDA5uFyUMlMsV5kwVynF pe+ggAUNzZ3m5X2dxavLwSL6rrcfkIiJ7SVKDtHDBpa+Dk/ZaDlWowXdfd88IYnDbjo8 8YayyzsfvBhrTGzuWZcPUrcBUV4nEpHXxe9MHTqGhI+n2NCIg9IQYFgdLV1SYWyyiZqI hTwg== X-Gm-Message-State: AOAM533pvGNg5LWrympOsE0lIIhpWlkUPzolmVbnUtyrR9lQ7OMV/m1Y bUia8blZEbM+A44G2BVDHKg= X-Google-Smtp-Source: ABdhPJxfW0HVgypcFl09FE5Qg1TZt4Ht/6KefSB8Cm0t+kwNcgrEBFWDZzSO/WzygzmfhzF4uCiGjg== X-Received: by 2002:a17:906:9491:: with SMTP id t17mr20156636ejx.253.1600167821140; Tue, 15 Sep 2020 04:03:41 -0700 (PDT) Received: from ?IPv6:2a02:908:1252:fb60:be8a:bd56:1f94:86e7? ([2a02:908:1252:fb60:be8a:bd56:1f94:86e7]) by smtp.gmail.com with ESMTPSA id ks21sm9916283ejb.63.2020.09.15.04.03.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Sep 2020 04:03:40 -0700 (PDT) Subject: Re: [PATCH 1/2] drm/shmem-helpers: revert "Redirect mmap for imported dma-buf" To: Daniel Vetter References: <20200914132920.59183-1-christian.koenig@amd.com> <20200914132920.59183-2-christian.koenig@amd.com> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <92b77d29-ae9b-b9cd-4e03-f193aa386cae@gmail.com> Date: Tue, 15 Sep 2020 13:03:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US 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: , Reply-To: christian.koenig@amd.com Cc: Linux Kernel Mailing List , dri-devel , "moderated list:DMA BUFFER SHARING FRAMEWORK" , Linux MM , Andrew Morton , "open list:DMA BUFFER SHARING FRAMEWORK" Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" QW0gMTUuMDkuMjAgdW0gMTI6Mzkgc2NocmllYiBEYW5pZWwgVmV0dGVyOgo+IE9uIE1vbiwgU2Vw IDE0LCAyMDIwIGF0IDM6MjkgUE0gQ2hyaXN0aWFuIEvDtm5pZwo+IDxja29lbmlnLmxlaWNodHp1 bWVya2VuQGdtYWlsLmNvbT4gd3JvdGU6Cj4+IFRoaXMgcmV2ZXJ0cyBjb21taXQgMjZkM2FjM2Ni MDRkMTcxYTg2MTk1MmU4OTMyNGUzNDc1OThhMzQ3Zi4KPj4KPj4gV2UgbmVlZCB0byBmaWd1cmUg b3V0IGlmIGRtYV9idWZfbW1hcCgpIGlzIHZhbGlkIG9yIG5vdCBmaXJzdC4KPj4KPj4gU2lnbmVk LW9mZi1ieTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgo+IFRo ZSB0cm91YmxlIGlzIHRoYXQgZG9pbmcgZG1hLWJ1ZiBtbWFwIGJ5IGxvb2tpbmcgYXQgdGhlIHN0 cnVjdCBwYWdlcwo+IGJlaGluZCB0aGUgc2cgbGlzdCBhbmQganVzdCBpbnNlcnRpbmcgdGhvc2Ug aW50byB1c2Vyc3BhY2UgZG9lc24ndAo+IHJlYWxseSB3b3JrIGFueSBiZXR0ZXIuIFlvdSBzdGls bCB3b24ndCBnZXQgdGhlIHVubWFwX21hcHBpbmdfcmFuZ2UKPiBhbmQgaGVuY2UgcHRlIHNob290 LWRvd24uIFNvIG1heWJlIGRtYV9idWZfbW1hcCBmb3J3YXJkaW5nIGRvZXNuJ3QKPiB3b3JrLCBi dXQgdGhpcyBkb2Vzbid0IG1ha2UgaXQgYW55IGJldHRlci4KCkdvb2QgcG9pbnQuIFF1ZXN0aW9u IGlzIHdoYXQgc2hvdWxkIHdlIGRvPyBSZXR1cm4gLUVQRVJNPwoKPgo+IEFsc28gY29tbWl0IG1l c3NhZ2Ugc2hvdWxkIHByb2JhYmx5IGV4cGxhaW4gYSBiaXQgdGhlIGNvbnRleHQgaGVyZSwKPiBu b3QgYSBsb3Qgb2YgcGVvcGxlIGhhdmUgYmVlbiBpbiBvdXIgcHJpdmF0ZSBkaXNjdXNzaW9uIG9u IHRoaXMuCgpXZWxsLCB0aGF0J3MgY2VydGFpbiB0cnVlLgoKQ2hyaXN0aWFuLgoKPiAtRGFuaWVs Cj4KPj4gLS0tCj4+ICAgZHJpdmVycy9ncHUvZHJtL2RybV9nZW1fc2htZW1faGVscGVyLmMgfCAz IC0tLQo+PiAgIDEgZmlsZSBjaGFuZ2VkLCAzIGRlbGV0aW9ucygtKQo+Pgo+PiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2RybV9nZW1fc2htZW1faGVscGVyLmMgYi9kcml2ZXJzL2dwdS9k cm0vZHJtX2dlbV9zaG1lbV9oZWxwZXIuYwo+PiBpbmRleCAwYTk1MmYyN2MxODQuLmNkNzI3MzQz ZjcyYiAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9nZW1fc2htZW1faGVscGVy LmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9nZW1fc2htZW1faGVscGVyLmMKPj4gQEAg LTU5NCw5ICs1OTQsNiBAQCBpbnQgZHJtX2dlbV9zaG1lbV9tbWFwKHN0cnVjdCBkcm1fZ2VtX29i amVjdCAqb2JqLCBzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QgKnZtYSkKPj4gICAgICAgICAgLyogUmVt b3ZlIHRoZSBmYWtlIG9mZnNldCAqLwo+PiAgICAgICAgICB2bWEtPnZtX3Bnb2ZmIC09IGRybV92 bWFfbm9kZV9zdGFydCgmb2JqLT52bWFfbm9kZSk7Cj4+Cj4+IC0gICAgICAgaWYgKG9iai0+aW1w b3J0X2F0dGFjaCkKPj4gLSAgICAgICAgICAgICAgIHJldHVybiBkbWFfYnVmX21tYXAob2JqLT5k bWFfYnVmLCB2bWEsIDApOwo+PiAtCj4+ICAgICAgICAgIHNobWVtID0gdG9fZHJtX2dlbV9zaG1l bV9vYmoob2JqKTsKPj4KPj4gICAgICAgICAgcmV0ID0gZHJtX2dlbV9zaG1lbV9nZXRfcGFnZXMo c2htZW0pOwo+PiAtLQo+PiAyLjE3LjEKPj4KPj4gX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KPj4gZHJpLWRldmVsIG1haWxpbmcgbGlzdAo+PiBkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCj4KPgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVsCg==