From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Hellstrom Subject: [RFC PATCH 0/3] mm modifications / helpers for emulated GPU coherent memory Date: Wed, 20 Mar 2019 16:23:12 +0100 Message-ID: <20190320152315.82758-1-thellstrom@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from EX13-EDG-OU-001.vmware.com (ex13-edg-ou-001.vmware.com [208.91.0.189]) by gabe.freedesktop.org (Postfix) with ESMTPS id F135C89F89 for ; Wed, 20 Mar 2019 15:23:41 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: Thomas Hellstrom , Michal Hocko , Rik van Riel , Peter Zijlstra , Will Deacon , linux-kernel@vger.kernel.org, Matthew Wilcox , linux-mm@kvack.org, Minchan Kim , =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-graphics-maintainer@vmware.com, Souptick Joarder , Huang Ying , Andrew Morton List-Id: dri-devel@lists.freedesktop.org Q2M6IEFuZHJldyBNb3J0b24gPGFrcG1AbGludXgtZm91bmRhdGlvbi5vcmc+CkNjOiBNYXR0aGV3 IFdpbGNveCA8d2lsbHlAaW5mcmFkZWFkLm9yZz4KQ2M6IFdpbGwgRGVhY29uIDx3aWxsLmRlYWNv bkBhcm0uY29tPgpDYzogUGV0ZXIgWmlqbHN0cmEgPHBldGVyekBpbmZyYWRlYWQub3JnPgpDYzog UmlrIHZhbiBSaWVsIDxyaWVsQHN1cnJpZWwuY29tPgpDYzogTWluY2hhbiBLaW0gPG1pbmNoYW5A a2VybmVsLm9yZz4KQ2M6IE1pY2hhbCBIb2NrbyA8bWhvY2tvQHN1c2UuY29tPgpDYzogSHVhbmcg WWluZyA8eWluZy5odWFuZ0BpbnRlbC5jb20+CkNjOiBTb3VwdGljayBKb2FyZGVyIDxqcmRyLmxp bnV4QGdtYWlsLmNvbT4KQ2M6ICJKw6lyw7RtZSBHbGlzc2UiIDxqZ2xpc3NlQHJlZGhhdC5jb20+ CkNjOiBsaW51eC1tbUBrdmFjay5vcmcKQ2M6IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmcK CkhpLApUaGlzIGlzIGFuIGVhcmx5IFJGQyB0byBtYWtlIHN1cmUgSSBkb24ndCBnbyB0b28gZmFy IGluIHRoZSB3cm9uZyBkaXJlY3Rpb24uCgpOb24tY29oZXJlbnQgR1BVcyB0aGF0IGNhbid0IGRp cmVjdGx5IHNlZSBjb250ZW50cyBpbiBDUFUtdmlzaWJsZSBtZW1vcnksCmxpa2UgVk1XYXJlJ3Mg U1ZHQSBkZXZpY2UsIHJ1biBpbnRvIHRyb3VibGUgd2hlbiB0cnlpbmcgdG8gaW1wbGVtZW50CmNv aGVyZW50IG1lbW9yeSByZXF1aXJlbWVudHMgb2YgbW9kZXJuIGdyYXBoaWNzIEFQSXMuIEV4YW1w bGVzIGFyZQpWdWxrYW4gYW5kIE9wZW5HTCA0LjQncyBBUkJfYnVmZmVyX3N0b3JhZ2UuCgpUbyBy ZW1lZHksIHdlIG5lZWQgdG8gZW11bGF0ZSBjb2hlcmVudCBtZW1vcnkuIFR5cGljYWxseSB3aGVu IGl0J3MgZGV0ZWN0ZWQKdGhhdCBhIGJ1ZmZlciBvYmplY3QgaXMgYWJvdXQgdG8gYmUgYWNjZXNz ZWQgYnkgdGhlIEdQVSwgd2UgbmVlZCB0bwpnYXRoZXIgdGhlIHJhbmdlcyB0aGF0IGhhdmUgYmVl biBkaXJ0aWVkIGJ5IHRoZSBDUFUgc2luY2UgdGhlIGxhc3Qgb3BlcmF0aW9uLAphcHBseSBhbiBv cGVyYXRpb24gdG8gbWFrZSB0aGUgY29udGVudCB2aXNpYmxlIHRvIHRoZSBHUFUgYW5kIGNsZWFy IHRoZQp0aGUgZGlydHkgdHJhY2tpbmcuCgpEZXBlbmRpbmcgb24gdGhlIHNpemUgb2YgdGhlIGJ1 ZmZlciBvYmplY3QgYW5kIHRoZSBhY2Nlc3MgcGF0dGVybiB0aGVyZSBhcmUKdHdvIG1ham9yIHBv c3NpYmlsaXRpZXM6CgoxKSBVc2UgcGFnZV9ta3dyaXRlKCkgYW5kIHBmbl9ta3dyaXRlKCkuIChH UFUgYnVmZmVyIG9iamVjdHMgYXJlIGJhY2tlZAplaXRoZXIgYnkgUENJIGRldmljZSBtZW1vcnkg b3IgYnkgZHJpdmVyLWFsbG9jZWQgcGFnZXMpLgpUaGUgZGlydHktdHJhY2tpbmcgbmVlZHMgdG8g YmUgcmVzZXQgYnkgd3JpdGUtcHJvdGVjdGluZyB0aGUgYWZmZWN0ZWQgcHRlcwphbmQgZmx1c2gg dGxiLiBUaGlzIGhhcyBhIGNvbXBsZXhpdHkgb2YgTyhudW1fZGlydHlfcGFnZXMpLCBidXQgdGhl CndyaXRlIHBhZ2UtZmF1bHQgaXMgb2YgY291cnNlIGNvc3RseS4KCjIpIFVzZSBoYXJkd2FyZSBk aXJ0eS1mbGFncyBpbiB0aGUgcHRlcy4gVGhlIGRpcnR5LXRyYWNraW5nIG5lZWRzIHRvIGJlIHJl c2V0CmJ5IGNsZWFyaW5nIHRoZSBkaXJ0eSBiaXRzIGFuZCBmbHVzaCB0bGIuIFRoaXMgaGFzIGEg Y29tcGxleGl0eSBvZgpPKG51bV9idWZmZXJfb2JqZWN0X3BhZ2VzKSBhbmQgZGlydHkgYml0cyBu ZWVkIHRvIGJlIHNjYW5uZWQgaW4gZnVsbCBiZWZvcmUKZWFjaCBncHUtYWNjZXNzLgoKU28gaW4g cHJhY3RpY2UgdGhlIHR3byBtZXRob2RzIG5lZWQgdG8gYmUgaW50ZXJsZWF2ZWQgZm9yIGJlc3Qg cGVyZm9ybWFuY2UuCgpTbyB0byBmYWNpbGl0YXRlIHRoaXMsIEkgcHJvcG9zZSB0d28gbmV3IGhl bHBlcnMsIGFwcGx5X2FzX3dycHJvdGVjdCgpIGFuZAphcHBseV9hc19jbGVhbigpICgiYXMiIHN0 YW5kcyBmb3IgYWRkcmVzcy1zcGFjZSkgYm90aCBpbnNwaXJlZCBieQp1bm1hcF9tYXBwaW5nX3Jh bmdlKCkuIFVzZXJzIG9mIHRoZXNlIGhlbHBlcnMgYXJlIGluIHRoZSBtYWtpbmcsIGJ1dCBuZWVk cwpzb21lIGNsZWFuaW5nLXVwLgoKVGhlcmUncyBhbHNvIGEgY2hhbmdlIHRvIHhfbWt3cml0ZSgp IHRvIGFsbG93IGRyb3BwaW5nIHRoZSBtbWFwX3NlbSB3aGlsZQp3YWl0aW5nLgoKQW55IGNvbW1l bnRzIG9yIHN1Z2dlc3Rpb25zIGFwcHJlY2lhdGVkLgoKVGhhbmtzLApUaG9tYXMKCgoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs