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[156.34.48.30]) by smtp.gmail.com with ESMTPSA id l28sm6916468qkl.7.2020.11.09.12.19.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 12:19:45 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kcDdg-0026FV-KT; Mon, 09 Nov 2020 16:19:44 -0400 Date: Mon, 9 Nov 2020 16:19:44 -0400 From: Jason Gunthorpe To: Thomas =?utf-8?Q?Hellstr=C3=B6m?= Cc: Daniel Vetter , John Hubbard , Christoph Hellwig , J??r??me Glisse , linux-samsung-soc , Jan Kara , Pawel Osciak , KVM list , Mauro Carvalho Chehab , LKML , DRI Development , Tomasz Figa , Linux MM , Kyungmin Park , Daniel Vetter , Andrew Morton , Marek Szyprowski , Dan Williams , Linux ARM , "open list:DMA BUFFER SHARING FRAMEWORK" Subject: Re: [PATCH v5 05/15] mm/frame-vector: Use FOLL_LONGTERM Message-ID: <20201109201944.GG244516@ziepe.ca> References: <20201104164119.GA18218@infradead.org> <20201104181708.GU36674@ziepe.ca> <20201105092524.GQ401619@phenom.ffwll.local> <20201105124950.GZ36674@ziepe.ca> <7ae3486d-095e-cf4e-6b0f-339d99709996@nvidia.com> <20201106125505.GO36674@ziepe.ca> <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 09, 2020 at 09:44:02AM +0100, Thomas Hellström wrote: > static inline bool vma_is_special_huge(const struct vm_area_struct > *vma) > { > return vma_is_dax(vma) || (vma->vm_file && > (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))); > } That is testing a VMA, not a PTE, which doesn't help protect get_user_pages_fast. Sounds like is has opened a big user crashy problem in DRM and the huge page stuff needs to be revereted.. Dan? 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 EF5C3C388F7 for ; Mon, 9 Nov 2020 20:19:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 331922074F for ; Mon, 9 Nov 2020 20:19:48 +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="JXgaaqDO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 331922074F 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 348B86B0036; Mon, 9 Nov 2020 15:19:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 2D1D36B005C; Mon, 9 Nov 2020 15:19:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 1767E6B005D; Mon, 9 Nov 2020 15:19:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0041.hostedemail.com [216.40.44.41]) by kanga.kvack.org (Postfix) with ESMTP id DA6BE6B0036 for ; Mon, 9 Nov 2020 15:19:47 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 7F55E362A for ; Mon, 9 Nov 2020 20:19:47 +0000 (UTC) X-FDA: 77465995614.03.test90_1212bb0272ef Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin03.hostedemail.com (Postfix) with ESMTP id 5CBBB28A4E9 for ; Mon, 9 Nov 2020 20:19:47 +0000 (UTC) X-HE-Tag: test90_1212bb0272ef X-Filterd-Recvd-Size: 4900 Received: from mail-qv1-f68.google.com (mail-qv1-f68.google.com [209.85.219.68]) by imf26.hostedemail.com (Postfix) with ESMTP for ; Mon, 9 Nov 2020 20:19:46 +0000 (UTC) Received: by mail-qv1-f68.google.com with SMTP id e5so3026360qvs.1 for ; Mon, 09 Nov 2020 12:19:46 -0800 (PST) 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=HHHYB1ExYLieT1XHJGJI8HPhRjnPWnLekqDHsJKHIQY=; b=JXgaaqDOW62GJeK6LF9p9QXp4arZzjT+9gOkdgDMbbBoFO+8sUD00sB0JqVlcQZSxV vl2psYZJGXUFO5mwdAm7RkY4hAKaDkxQqxt9cCodVKzEWjgN2Avsu8bajD/+E6QYqqdC A1tRfbBTXbInfICRoJGTOSrrECkpnxpkzxbI7e/1OJCxzWq7kFD95wrfiSB8nZ6UecOk dClV/5rDLoThnRxwB0KwY4Vkv6oNJCO+A0hAlZU2ZqdpITWBVjpnAPdneJ9qCIAXfZVP ty/uyz1FELwQ29ayrN7FVG+4y3r6CEdfAZ6dA9hGacXCCPrSnv8g+b6mYWP6EPJDPMhi BDZQ== 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=HHHYB1ExYLieT1XHJGJI8HPhRjnPWnLekqDHsJKHIQY=; b=kwKiGV+1PhWkM4kfwlNLcVjdjqGRPioIh36LxJkT0mQVVKo0IjtmG6yxtZKILalhrP 6fTtfDGn3LEcb7w3R/BihyMGzQ6qWMUjTmgKw9oeKI1owKo315HixhpLA7VrcT7xsTIL xv0iFfJk2cDBn43BwsEcN7pYRJemYeVsDctst3tSVSNKvhVvYd6pJORgPlufzONLtxHo TBNBA0hj+MytCmksWbzKJzflqsQa1wCkPrKm8lLeZMj9qJ+S+2thQBGorMtQP9/EYA+K Gmzms3btfeUoAk6vTxqPOogXCMcyfenTitqh6w8g5Y4Ya5+1+FRpMYkjxT/9D2QAhygg yTXw== X-Gm-Message-State: AOAM5321ELJNtRBiw5hn51oLtIqCFnOIkMZIAezlMWzbLnYcY2DqsK1K Vn5RqPAg3wCYQ8QXFRIkCKQg/A== X-Google-Smtp-Source: ABdhPJzK9dM3acw0STrCk9csKCfXW/JXgGf/mN+se1YyATHnQetQCofOE1QIpslDFg5IZrWXLNthmQ== X-Received: by 2002:a0c:edb1:: with SMTP id h17mr15177616qvr.7.1604953186119; Mon, 09 Nov 2020 12:19:46 -0800 (PST) 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 l28sm6916468qkl.7.2020.11.09.12.19.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 12:19:45 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kcDdg-0026FV-KT; Mon, 09 Nov 2020 16:19:44 -0400 Date: Mon, 9 Nov 2020 16:19:44 -0400 From: Jason Gunthorpe To: Thomas =?utf-8?Q?Hellstr=C3=B6m?= Cc: Daniel Vetter , John Hubbard , Christoph Hellwig , J??r??me Glisse , linux-samsung-soc , Jan Kara , Pawel Osciak , KVM list , Mauro Carvalho Chehab , LKML , DRI Development , Tomasz Figa , Linux MM , Kyungmin Park , Daniel Vetter , Andrew Morton , Marek Szyprowski , Dan Williams , Linux ARM , "open list:DMA BUFFER SHARING FRAMEWORK" Subject: Re: [PATCH v5 05/15] mm/frame-vector: Use FOLL_LONGTERM Message-ID: <20201109201944.GG244516@ziepe.ca> References: <20201104164119.GA18218@infradead.org> <20201104181708.GU36674@ziepe.ca> <20201105092524.GQ401619@phenom.ffwll.local> <20201105124950.GZ36674@ziepe.ca> <7ae3486d-095e-cf4e-6b0f-339d99709996@nvidia.com> <20201106125505.GO36674@ziepe.ca> <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> 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 Mon, Nov 09, 2020 at 09:44:02AM +0100, Thomas Hellstr=C3=B6m wrote: > static inline bool vma_is_special_huge(const struct vm_area_struct > *vma) > { > return vma_is_dax(vma) || (vma->vm_file && > (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))); > } That is testing a VMA, not a PTE, which doesn't help protect get_user_pages_fast. Sounds like is has opened a big user crashy problem in DRM and the huge page stuff needs to be revereted.. Dan? 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=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 9C27FC388F7 for ; Mon, 9 Nov 2020 20:20:19 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 19489206C0 for ; Mon, 9 Nov 2020 20:20:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KHzLByy1"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="JXgaaqDO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 19489206C0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LLPsKZhALnc13r/dKlmFuvRC9vTsD0VFg08PsseEjAc=; b=KHzLByy1FV1ajDi/be2r71Hht V1/H3Jek16MMrh/81t7oIvCYvmR9afLjtOO2I4IGLS/QmnloTFXJtU457qISLfbXSE+9HsD6LXM6i AqMx3HDkwQ24fopUJ+yRRZrnL83iU5OyW6ulglZn0W8HLRcDLQ6/Ymk39yu9koOkSyPdXy1Cu5Z3L unmXlve7WVyqWAwgYtg9JR2jfRLyMiBnzmHPAlQeU6fPbdNpPoGrVb3jnujZYekAOvcnHV9QDit+Q VoahY7qV5nrgcZvgqe34qV0JHJwU1IDOKKgAcCQrLuY2Z5C81jRWg99lb4FD9euIti94f4w/TvdXt Q7z6FPiDg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcDdp-0002fG-Jt; Mon, 09 Nov 2020 20:19:53 +0000 Received: from mail-qv1-xf41.google.com ([2607:f8b0:4864:20::f41]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kcDdl-0002dD-Mb for linux-arm-kernel@lists.infradead.org; Mon, 09 Nov 2020 20:19:51 +0000 Received: by mail-qv1-xf41.google.com with SMTP id z17so1039462qvy.11 for ; Mon, 09 Nov 2020 12:19:47 -0800 (PST) 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=HHHYB1ExYLieT1XHJGJI8HPhRjnPWnLekqDHsJKHIQY=; b=JXgaaqDOW62GJeK6LF9p9QXp4arZzjT+9gOkdgDMbbBoFO+8sUD00sB0JqVlcQZSxV vl2psYZJGXUFO5mwdAm7RkY4hAKaDkxQqxt9cCodVKzEWjgN2Avsu8bajD/+E6QYqqdC A1tRfbBTXbInfICRoJGTOSrrECkpnxpkzxbI7e/1OJCxzWq7kFD95wrfiSB8nZ6UecOk dClV/5rDLoThnRxwB0KwY4Vkv6oNJCO+A0hAlZU2ZqdpITWBVjpnAPdneJ9qCIAXfZVP ty/uyz1FELwQ29ayrN7FVG+4y3r6CEdfAZ6dA9hGacXCCPrSnv8g+b6mYWP6EPJDPMhi BDZQ== 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=HHHYB1ExYLieT1XHJGJI8HPhRjnPWnLekqDHsJKHIQY=; b=BqZBV2kGB0qtlDE6fZwJOIPxF2nyrwGBF+1sVh6kOqYhGB6D+lrn+/faGIrnvV5FA6 fw2TN5lq4S+Y6OFaecNkOkQN8Ph/XMjRaQc71iKxW3hAUmVdzMlUJTBK51qpHmtZuRbV afYb+Gwu4n5qnGkY7ksKrS0mk8kGUBww6Zt0dJeSqYuIVhRa9g7U8pd1CXX0aZJo8lo9 RK6VreT0MaqEYbGCz0D1sT5sddxae08DWtbc+dupAKhuCXjUmkBRRO/JR5DTNwtSaF8h mlRGnJcqpyROG5EmN3qH9LsAyunYGC+nsN2iXJ0SnyBArkkXRftD3wRcE2wrfS5WvQvo Xk2g== X-Gm-Message-State: AOAM530xIa+u+xepgdCqlioOWMf86WI8LNlOPa8zGtCjIu9blRocqaZC gcvYnEObeBlvdr54l/Y2KhpENw== X-Google-Smtp-Source: ABdhPJzK9dM3acw0STrCk9csKCfXW/JXgGf/mN+se1YyATHnQetQCofOE1QIpslDFg5IZrWXLNthmQ== X-Received: by 2002:a0c:edb1:: with SMTP id h17mr15177616qvr.7.1604953186119; Mon, 09 Nov 2020 12:19:46 -0800 (PST) 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 l28sm6916468qkl.7.2020.11.09.12.19.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 12:19:45 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kcDdg-0026FV-KT; Mon, 09 Nov 2020 16:19:44 -0400 Date: Mon, 9 Nov 2020 16:19:44 -0400 From: Jason Gunthorpe To: Thomas =?utf-8?Q?Hellstr=C3=B6m?= Subject: Re: [PATCH v5 05/15] mm/frame-vector: Use FOLL_LONGTERM Message-ID: <20201109201944.GG244516@ziepe.ca> References: <20201104164119.GA18218@infradead.org> <20201104181708.GU36674@ziepe.ca> <20201105092524.GQ401619@phenom.ffwll.local> <20201105124950.GZ36674@ziepe.ca> <7ae3486d-095e-cf4e-6b0f-339d99709996@nvidia.com> <20201106125505.GO36674@ziepe.ca> <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201109_151950_070201_DAF92EFF X-CRM114-Status: GOOD ( 10.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc , Jan Kara , KVM list , Pawel Osciak , John Hubbard , LKML , DRI Development , Tomasz Figa , Christoph Hellwig , Linux MM , J??r??me Glisse , "open list:DMA BUFFER SHARING FRAMEWORK" , Daniel Vetter , Daniel Vetter , Kyungmin Park , Andrew Morton , Mauro Carvalho Chehab , Dan Williams , Linux ARM , Marek Szyprowski Content-Type: text/plain; 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[156.34.48.30]) by smtp.gmail.com with ESMTPSA id l28sm6916468qkl.7.2020.11.09.12.19.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Nov 2020 12:19:45 -0800 (PST) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kcDdg-0026FV-KT; Mon, 09 Nov 2020 16:19:44 -0400 Date: Mon, 9 Nov 2020 16:19:44 -0400 From: Jason Gunthorpe To: Thomas =?utf-8?Q?Hellstr=C3=B6m?= Subject: Re: [PATCH v5 05/15] mm/frame-vector: Use FOLL_LONGTERM Message-ID: <20201109201944.GG244516@ziepe.ca> References: <20201104164119.GA18218@infradead.org> <20201104181708.GU36674@ziepe.ca> <20201105092524.GQ401619@phenom.ffwll.local> <20201105124950.GZ36674@ziepe.ca> <7ae3486d-095e-cf4e-6b0f-339d99709996@nvidia.com> <20201106125505.GO36674@ziepe.ca> <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <504d77b87c81b7027157e0c7b5286e17123c59d9.camel@linux.intel.com> X-Mailman-Approved-At: Tue, 10 Nov 2020 08:16:57 +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-samsung-soc , Jan Kara , KVM list , Pawel Osciak , John Hubbard , LKML , DRI Development , Tomasz Figa , Christoph Hellwig , Linux MM , J??r??me Glisse , "open list:DMA BUFFER SHARING FRAMEWORK" , Daniel Vetter , Kyungmin Park , Andrew Morton , Mauro Carvalho Chehab , Dan Williams , Linux ARM , Marek Szyprowski Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gTW9uLCBOb3YgMDksIDIwMjAgYXQgMDk6NDQ6MDJBTSArMDEwMCwgVGhvbWFzIEhlbGxzdHLD tm0gd3JvdGU6Cj4gc3RhdGljIGlubGluZSBib29sIHZtYV9pc19zcGVjaWFsX2h1Z2UoY29uc3Qg c3RydWN0IHZtX2FyZWFfc3RydWN0Cj4gKnZtYSkKPiB7Cj4gCXJldHVybiB2bWFfaXNfZGF4KHZt YSkgfHwgKHZtYS0+dm1fZmlsZSAmJgo+IAkJCQkgICAodm1hLT52bV9mbGFncyAmIChWTV9QRk5N QVAgfCBWTV9NSVhFRE1BUCkpKTsKPiB9CgpUaGF0IGlzIHRlc3RpbmcgYSBWTUEsIG5vdCBhIFBU RSwgd2hpY2ggZG9lc24ndCBoZWxwIHByb3RlY3QKZ2V0X3VzZXJfcGFnZXNfZmFzdC4KClNvdW5k cyBsaWtlIGlzIGhhcyBvcGVuZWQgYSBiaWcgdXNlciBjcmFzaHkgcHJvYmxlbSBpbiBEUk0gYW5k IHRoZQpodWdlIHBhZ2Ugc3R1ZmYgbmVlZHMgdG8gYmUgcmV2ZXJldGVkLi4KCkRhbj8KCkphc29u Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=