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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 01CB2C433C1 for ; Thu, 25 Mar 2021 13:31:33 +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 7CA63619F9 for ; Thu, 25 Mar 2021 13:31:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7CA63619F9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=shipmail.org Authentication-Results: mail.kernel.org; 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Thu, 25 Mar 2021 14:31:26 +0100 (CET) Received: by ste-pvt-msa2.bahnhof.se (Postfix) with ESMTPA id 2D72E3FFA0; Thu, 25 Mar 2021 14:31:23 +0100 (CET) Received: from [10.249.254.165] (unknown [192.198.151.44]) by mail1.shipmail.org (Postfix) with ESMTPSA id 1F61C3600A8; Thu, 25 Mar 2021 14:31:23 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=shipmail.org; s=mail; t=1616679083; bh=XL8BQAJQEgz/HLXrzxugZdd/kAGy1RzLvj1mQCzDRCE=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=Mdg8AKwxGQ6V9ZBKUXVtboLF2eXHKU4JPoHnip24gLaK3C4SzHyvsdQrTgwIx3H12 //oJQ3EAvuZ6AsyBKb8g7S5z/CB5gVqkdUJoVB9PX/F4eR+WeBp/o12nWyHtUX1mLu ZFIriU2fBftCSzwXnUdi8riG3/KApf6l9HFkBiBk= Subject: Re: [RFC PATCH 1/2] mm,drm/ttm: Block fast GUP to TTM huge pages To: =?UTF-8?Q?Christian_K=c3=b6nig?= , Jason Gunthorpe References: <0b984f96-00fb-5410-bb16-02e12b2cc024@shipmail.org> <20210324163812.GJ2356281@nvidia.com> <08f19e80-d6cb-8858-0c5d-67d2e2723f72@amd.com> <730eb2ff-ba98-2393-6d42-61735e3c6b83@shipmail.org> <20210324231419.GR2356281@nvidia.com> <607ecbeb-e8a5-66e9-6fe2-9a8d22f12bc2@shipmail.org> <15da5784-96ca-25e5-1485-3ce387ee6695@shipmail.org> <20210325113023.GT2356281@nvidia.com> <20210325120103.GV2356281@nvidia.com> From: =?UTF-8?Q?Thomas_Hellstr=c3=b6m_=28Intel=29?= Message-ID: <9e924f37-c638-afc7-0354-7258836772b1@shipmail.org> Date: Thu, 25 Mar 2021 14:31:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 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: , Cc: David Airlie , linux-mm@kvack.org, Andrew Morton , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" SGksCgpPbiAzLzI1LzIxIDI6MDIgUE0sIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6Cj4KPgo+IEFt IDI1LjAzLjIxIHVtIDEzOjM2IHNjaHJpZWIgVGhvbWFzIEhlbGxzdHLDtm0gKEludGVsKToKPj4K Pj4gT24gMy8yNS8yMSAxOjA5IFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+Pj4gQW0gMjUu MDMuMjEgdW0gMTM6MDEgc2NocmllYiBKYXNvbiBHdW50aG9ycGU6Cj4+Pj4gT24gVGh1LCBNYXIg MjUsIDIwMjEgYXQgMTI6NTM6MTVQTSArMDEwMCwgVGhvbWFzIEhlbGxzdHLDtm0gKEludGVsKSAK Pj4+PiB3cm90ZToKPj4+Pgo+Pj4+PiBOb3BlLiBUaGUgcG9pbnQgaGVyZSB3YXMgdGhhdCBpbiB0 aGlzIGNhc2UsIHRvIG1ha2Ugc3VyZSBtbWFwIHVzZXMgCj4+Pj4+IHRoZQo+Pj4+PiBjb3JyZWN0 IFZBIHRvIGdpdmUgdXMgYSByZWFzb25hYmxlIGNoYW5jZSBvZiBhbGlnbmVtZW50LCB0aGUgCj4+ Pj4+IGRyaXZlciBtaWdodAo+Pj4+PiBuZWVkIHRvIGJlIGF3YXJlIG9mIGFuZCBkbyB0cmlja2Vy eSB3aXRoIHRoZSBodWdlIHBhZ2UtdGFibGUtZW50cnkgCj4+Pj4+IHNpemVzCj4+Pj4+IGFueXdh eSwgYWx0aG91Z2ggSSB0aGluayBpbiBtb3N0IGNhc2VzIGEgc3RhbmRhcmQgaGVscGVyIGZvciB0 aGlzIAo+Pj4+PiBjYW4gYmUKPj4+Pj4gc3VwcGxpZWQuCj4+Pj4gT2YgY291cnNlIHRoZSBkcml2 ZXIgbmVlZHMgc29tZSB3YXkgdG8gaW5mbHVlbmNlIHRoZSBWQSBtbWFwIHVzZXMsCj4+Pj4gZ2Vy bmFsbHkgaXQgc2hvdWxkIGFsaWduIHRvIHRoZSBuYXR1cmFsIHBhZ2Ugc2l6ZSBvZiB0aGUgZGV2 aWNlCj4+Pgo+Pj4gV2VsbCBhIG1tYXAoKSBuZWVkcyB0byBiZSBhbGlnbmVkIHRvIHRoZSBwYWdl IHNpemUgb2YgdGhlIENQVSwgYnV0IAo+Pj4gbm90IG5lY2Vzc2FyaWx5IHRvIHRoZSBvbmUgb2Yg dGhlIGRldmljZS4KPj4+Cj4+PiBTbyBJJ20gcHJldHR5IHN1cmUgdGhlIGRldmljZSBkcml2ZXIg c2hvdWxkIG5vdCBiZSBpbnZvbHZlZCBpbiBhbnkgCj4+PiB3YXkgdGhlIGNob29zaW5nIG9mIHRo ZSBWQSBmb3IgdGhlIENQVSBtYXBwaW5nLgo+Pj4KPj4+IENocmlzdGlhbi4KPj4+Cj4+IFdlJ3Zl IGhhZCB0aGlzIGRpc2N1c3Npb24gYmVmb3JlIGFuZCBhdCB0aGF0IHRpbWUgSSBtYW5hZ2VkIHRv IAo+PiBjb252aW5jZSB5b3UgYnkgcG9pbnRpbmcgdG8gdGhlIHNobWVtIGhlbHBlciBmb3IgdGhp cywgCj4+IHNobWVtX2dldF91bWFwcGVkX2FyZWEoKS4KPgo+IE5vLCB5b3UgZGlkbid0IGNvbnZp bmNlZCBtZS4gSSB3YXMganVzdCBzdXJwcmlzZWQgdGhhdCB0aGlzIGlzIAo+IHNvbWV0aGluZyB1 bmRlciBkcml2ZXIgY29udHJvbC4KPgo+Pgo+PiBCYXNpY2FsbHkgdGhlcmUgYXJlIHR3byB3YXlz IHRvIGRvIHRoaXMuIEVpdGhlciB1c2UgYSBzdGFuZGFyZCBoZWxwZXIgCj4+IHNpbWlsYXIgdG8g c2htZW0ncywgYW5kIHRoZW4gdGhlIGRyaXZlciBuZWVkcyB0byBhbGlnbiBwaHlzaWNhbCAKPj4g KGRldmljZSkgaHVnZSBwYWdlIGJvdW5kYXJpZXMgdG8gYWRkcmVzcyBzcGFjZSBvZmZzZXQgaHVn ZSBwYWdlIAo+PiBib3VuZGFyaWVzLiBJZiB5b3UgZG9uJ3QgZG8gdGhhdCB5b3UgY2FuIGp1c3Qg YXMgd2VsbCB1c2UgYSBjdXN0b20gCj4+IGZ1bmN0aW9uIHRoYXQgYWRqdXN0cyBmb3IgeW91IG5v dCBkb2luZyB0aGF0IAo+PiAoZHJtX2dldF91bm1hcHBlZF9hcmVhKCkpLiBCb3RoIHJlcXVpcmUg ZHJpdmVyIGtub3dsZWRnZSBvZiB0aGUgc2l6ZSAKPj4gb2YgaHVnZSBwYWdlcy4KPgo+IEFuZCBv bmNlIG1vcmUsIGF0IGxlYXN0IGZvciBHUFUgZHJpdmVycyB0aGF0IGxvb2tzIGxpa2UgdGhlIHRv dGFsbHkgCj4gd3JvbmcgYXBwcm9hY2ggdG8gbWUuCj4KPiBBbGlnbmluZyB0aGUgVk1BIHNvIHRo YXQgaHVnZSBwYWdlIGFsbG9jYXRpb25zIGJlY29tZSBwb3NzaWJsZSBpcyB0aGUgCj4gam9iIG9m IHRoZSBNTSBzdWJzeXN0ZW0gYW5kIG5vdCB0aGF0IG9mIHRoZSBkcml2ZXJzLgo+ClByZXZpb3Vz IGRpc2N1c3Npb24gaGVyZQoKaHR0cHM6Ly93d3cuc3Bpbmljcy5uZXQvbGlzdHMvbGludXgtbW0v bXNnMjA1MjkxLmh0bWwKCj4+Cj4+IFdpdGhvdXQgYSBmdW5jdGlvbiB0byBhZGp1c3QsIG1tYXAg d2lsbCB1c2UgaXQncyBkZWZhdWx0ICgxNiBieXRlPykgCj4+IGFsaWdubWVudCBhbmQgY2hhbmNl IG9mIGFsaWdubWVudCBiZWNvbWVzIHZlcnkgc21hbGwuCj4KPiBXZWxsIGl0J3MgNEtpQiBhdCBs ZWFzdC4KWWVzIDovIC4uLgo+Cj4gUmVnYXJkcywKPiBDaHJpc3RpYW4uCj4KVGhhbmtzLAoKVGhv bWFzCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJp LWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==