From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Welty, Brian" Subject: Re: [RFC PATCH 0/5] cgroup support for GPU devices Date: Fri, 3 May 2019 14:14:33 -0700 Message-ID: References: <20190501140438.9506-1-brian.welty@intel.com> <20190502083433.GP7676@mtr-leonro.mtl.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Kenny Ho , Leon Romanovsky Cc: Parav Pandit , David Airlie , kenny.ho@amd.com, intel-gfx@lists.freedesktop.org, Johannes Weiner , Harish.Kasiviswanathan@amd.com, cgroups@vger.kernel.org, dri-devel@lists.freedesktop.org, Michal Hocko , linux-mm@kvack.org, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Li Zefan , Vladimir Davydov , Rodrigo Vivi , Alex Deucher , Tejun Heo , =?UTF-8?Q?Christian_K=c3=b6nig?= , RDMA mailing list List-Id: intel-gfx@lists.freedesktop.org Ck9uIDUvMi8yMDE5IDM6NDggUE0sIEtlbm55IEhvIHdyb3RlOgo+IE9uIDUvMi8yMDE5IDE6MzQg QU0sIExlb24gUm9tYW5vdnNreSB3cm90ZToKPj4gQ291bnQgdXMgKE1lbGxhbm94KSB0b28sIG91 ciBSRE1BIGRldmljZXMgYXJlIGV4cG9zaW5nIHNwZWNpYWwgYW5kCj4+IGxpbWl0ZWQgaW4gc2l6 ZSBkZXZpY2UgbWVtb3J5IHRvIHRoZSB1c2VycyBhbmQgd2Ugd291bGQgbGlrZSB0byBwcm92aWRl Cj4+IGFuIG9wdGlvbiB0byB1c2UgY2dyb3VwIHRvIGNvbnRyb2wgaXRzIGV4cG9zdXJlLgoKSGkg TGVvbiwgZ3JlYXQgdG8gaGVhciBhbmQgaGFwcHkgdG8gd29yayB3aXRoIHlvdSBhbmQgUkRNQSBj b21tdW5pdHkKdG8gc2hhcGUgdGhpcyBmcmFtZXdvcmsgZm9yIHVzZSBieSBSRE1BIGRldmljZXMg YXMgd2VsbC4gIFRoZSBpbnRlbnQKd2FzIHRvIHN1cHBvcnQgbW9yZSB0aGFuIEdQVSBkZXZpY2Vz LgoKSW5jaWRlbnRhbGx5LCBJIGFsc28gd2FudGVkIHRvIGFzayBhYm91dCB0aGUgcmRtYSBjZ3Jv dXAgY29udHJvbGxlcgphbmQgaWYgdGhlcmUgaXMgaW50ZXJlc3QgaW4gdXBkYXRpbmcgdGhlIGRl dmljZSByZWdpc3RyYXRpb24gaW1wbGVtZW50ZWQKaW4gdGhhdCBjb250cm9sbGVyLiAgSXQgY291 bGQgdXNlIHRoZSBjZ3JvdXBfZGV2aWNlX3JlZ2lzdGVyKCkgdGhhdCBpcwpwcm9wb3NlZCBoZXJl LiAgIEJ1dCB0aGlzIGlzIHBlcmhhcHMgZnV0dXJlIHdvcmssIHNvIGNhbiBkaXNjdXNzIHNlcGFy YXRlbHkuCgoKPiBEb2Vzbid0IFJETUEgYWxyZWFkeSBoYXMgYSBzZXBhcmF0ZSBjZ3JvdXA/ICBX aHkgbm90IGltcGxlbWVudCBpdCB0aGVyZT8KPiAKCkhpIEtlbm55LCBJIGNhbid0IGFuc3dlciBm b3IgTGVvbiwgYnV0IEknbSBob3BlZnVsIGhlIGFncmVlcyB3aXRoIHJhdGlvbmFsZQpJIGdhdmUg aW4gdGhlIGNvdmVyIGxldHRlci4gIE5hbWVseSwgdG8gaW1wbGVtZW50IGluIHJkbWEgY29udHJv bGxlciwgd291bGQKbWVhbiBkdXBsaWNhdGluZyBleGlzdGluZyBtZW1jZyBjb250cm9scyB0aGVy ZS4KCklzIEFNRCBpbnRlcmVzdGVkIGluIGNvbGxhYm9yYXRpbmcgdG8gaGVscCBzaGFwZSB0aGlz IGZyYW1ld29yaz8KSXQgaXMgaW50ZW5kZWQgdG8gYmUgZGV2aWNlLW5ldXRyYWwsIHNvIGNvdWxk IGJlIGxldmVyYWdlZCBieSB2YXJpb3VzCnR5cGVzIG9mIGRldmljZXMuCklmIHlvdSBoYXZlIGFu IGFsdGVybmF0aXZlIHNvbHV0aW9uIHdlbGwgdW5kZXJ3YXksIHRoZW4gbWF5YmUKd2UgY2FuIHdv cmsgdG9nZXRoZXIgdG8gbWVyZ2Ugb3VyIGVmZm9ydHMgaW50byBvbmUuCkluIHRoZSBlbmQsIHRo ZSBEUk0gY29tbXVuaXR5IGlzIGJlc3Qgc2VydmVkIHdpdGggY29tbW9uIHNvbHV0aW9uLgoKCj4g Cj4+PiBhbmQgd2l0aCBmdXR1cmUgd29yaywgd2UgY291bGQgZXh0ZW5kIHRvOgo+Pj4gKiAgdHJh Y2sgYW5kIGNvbnRyb2wgc2hhcmUgb2YgR1BVIHRpbWUgKHJldXNlIG9mIGNwdS9jcHVhY2N0KQo+ Pj4gKiAgYXBwbHkgbWFzayBvZiBhbGxvd2VkIGV4ZWN1dGlvbiBlbmdpbmVzIChyZXVzZSBvZiBj cHVzZXRzKQo+Pj4KPj4+IEluc3RlYWQgb2YgaW50cm9kdWNpbmcgYSBuZXcgY2dyb3VwIHN1YnN5 c3RlbSBmb3IgR1BVIGRldmljZXMsIGEgbmV3Cj4+PiBmcmFtZXdvcmsgaXMgcHJvcG9zZWQgdG8g YWxsb3cgZGV2aWNlcyB0byByZWdpc3RlciB3aXRoIGV4aXN0aW5nIGNncm91cAo+Pj4gY29udHJv bGxlcnMsIHdoaWNoIGNyZWF0ZXMgcGVyLWRldmljZSBjZ3JvdXBfc3Vic3lzX3N0YXRlIHdpdGhp biB0aGUKPj4+IGNncm91cC4gIFRoaXMgZ2l2ZXMgZGV2aWNlIGRyaXZlcnMgdGhlaXIgb3duIHBy aXZhdGUgY2dyb3VwIGNvbnRyb2xzCj4+PiAoc3VjaCBhcyBtZW1vcnkgbGltaXRzIG9yIG90aGVy IHBhcmFtZXRlcnMpIHRvIGJlIGFwcGxpZWQgdG8gZGV2aWNlCj4+PiByZXNvdXJjZXMgaW5zdGVh ZCBvZiBob3N0IHN5c3RlbSByZXNvdXJjZXMuCj4+PiBEZXZpY2UgZHJpdmVycyAoR1BVIG9yIG90 aGVyKSBhcmUgdGhlbiBhYmxlIHRvIHJldXNlIHRoZSBleGlzdGluZyBjZ3JvdXAKPj4+IGNvbnRy b2xzLCBpbnN0ZWFkIG9mIGludmVudGluZyBzaW1pbGFyIG9uZXMuCj4+Pgo+Pj4gUGVyLWRldmlj ZSBjb250cm9scyB3b3VsZCBiZSBleHBvc2VkIGluIGNncm91cCBmaWxlc3lzdGVtIGFzOgo+Pj4g ICAgIG1vdW50LzxjZ3JvdXBfbmFtZT4vPHN1YnN5c19uYW1lPi5kZXZpY2VzLzxkZXZfbmFtZT4v PHN1YnN5c19maWxlcz4KPj4+IHN1Y2ggYXMgKGZvciBleGFtcGxlKToKPj4+ICAgICBtb3VudC88 Y2dyb3VwX25hbWU+L21lbW9yeS5kZXZpY2VzLzxkZXZfbmFtZT4vbWVtb3J5Lm1heAo+Pj4gICAg IG1vdW50LzxjZ3JvdXBfbmFtZT4vbWVtb3J5LmRldmljZXMvPGRldl9uYW1lPi9tZW1vcnkuY3Vy cmVudAo+Pj4gICAgIG1vdW50LzxjZ3JvdXBfbmFtZT4vY3B1LmRldmljZXMvPGRldl9uYW1lPi9j cHUuc3RhdAo+Pj4gICAgIG1vdW50LzxjZ3JvdXBfbmFtZT4vY3B1LmRldmljZXMvPGRldl9uYW1l Pi9jcHUud2VpZ2h0Cj4+Pgo+Pj4gVGhlIGRybS9pOTE1IHBhdGNoIGluIHRoaXMgc2VyaWVzIGlz IGJhc2VkIG9uIHRvcCBvZiBvdGhlciBSRkMgd29yayBbMV0KPj4+IGZvciBpOTE1IGRldmljZSBt ZW1vcnkgc3VwcG9ydC4KPj4+Cj4+PiBBTUQgWzJdIGFuZCBJbnRlbCBbM10gaGF2ZSBwcm9wb3Nl ZCByZWxhdGVkIHdvcmsgaW4gdGhpcyBhcmVhIHdpdGhpbiB0aGUKPj4+IGxhc3QgZmV3IHllYXJz LCBsaXN0ZWQgYmVsb3cgYXMgcmVmZXJlbmNlLiAgVGhpcyBuZXcgUkZDIHJldXNlcyBleGlzdGlu Zwo+Pj4gY2dyb3VwIGNvbnRyb2xsZXJzIGFuZCB0YWtlcyBhIGRpZmZlcmVudCBhcHByb2FjaCB0 aGFuIHByaW9yIHdvcmsuCj4+Pgo+Pj4gRmluYWxseSwgc29tZSBwb3RlbnRpYWwgZGlzY3Vzc2lv biBwb2ludHMgZm9yIHRoaXMgc2VyaWVzOgo+Pj4gKiBtZXJnZSBwcm9wb3NlZCA8c3Vic3lzX25h bWU+LmRldmljZXMgaW50byBhIHNpbmdsZSBkZXZpY2VzIGRpcmVjdG9yeT8KPj4+ICogYWxsb3cg ZGV2aWNlcyB0byBoYXZlIG11bHRpcGxlIHJlZ2lzdHJhdGlvbnMgZm9yIHN1YnNldHMgb2YgcmVz b3VyY2VzPwo+Pj4gKiBkb2N1bWVudCBhICdjb21tb24gY2hhcmdpbmcgcG9saWN5JyBmb3IgZGV2 aWNlIGRyaXZlcnMgdG8gZm9sbG93Pwo+Pj4KPj4+IFsxXSBodHRwczovL3BhdGNod29yay5mcmVl ZGVza3RvcC5vcmcvc2VyaWVzLzU2NjgzLwo+Pj4gWzJdIGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL2FyY2hpdmVzL2RyaS1kZXZlbC8yMDE4LU5vdmVtYmVyLzE5NzEwNi5odG1sCj4+PiBb M10gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvYXJjaGl2ZXMvaW50ZWwtZ2Z4LzIwMTgt SmFudWFyeS8xNTMxNTYuaHRtbAo+Pj4KPj4+Cj4+PiBCcmlhbiBXZWx0eSAoNSk6Cj4+PiAgIGNn cm91cDogQWRkIGNncm91cF9zdWJzeXMgcGVyLWRldmljZSByZWdpc3RyYXRpb24gZnJhbWV3b3Jr Cj4+PiAgIGNncm91cDogQ2hhbmdlIGtlcm5mc19ub2RlIGZvciBkaXJlY3RvcmllcyB0byBzdG9y ZQo+Pj4gICAgIGNncm91cF9zdWJzeXNfc3RhdGUKPj4+ICAgbWVtY2c6IEFkZCBwZXItZGV2aWNl IHN1cHBvcnQgdG8gbWVtb3J5IGNncm91cCBzdWJzeXN0ZW0KPj4+ICAgZHJtOiBBZGQgbWVtb3J5 IGNncm91cCByZWdpc3RyYXRpb24gYW5kIERSSVZFUl9DR1JPVVBTIGZlYXR1cmUgYml0Cj4+PiAg IGRybS9pOTE1OiBVc2UgbWVtb3J5IGNncm91cCBmb3IgZW5mb3JjaW5nIGRldmljZSBtZW1vcnkg bGltaXQKPj4+Cj4+PiAgZHJpdmVycy9ncHUvZHJtL2RybV9kcnYuYyAgICAgICAgICAgICAgICAg IHwgIDEyICsKPj4+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2dlbS5jICAgICAgICAgICAgICAgICAg fCAgIDcgKwo+Pj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMgICAgICAgICAgICB8 ICAgMiArLQo+Pj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX21lbW9yeV9yZWdpb24uYyB8 ICAyNCArLQo+Pj4gIGluY2x1ZGUvZHJtL2RybV9kZXZpY2UuaCAgICAgICAgICAgICAgICAgICB8 ICAgMyArCj4+PiAgaW5jbHVkZS9kcm0vZHJtX2Rydi5oICAgICAgICAgICAgICAgICAgICAgIHwg ICA4ICsKPj4+ICBpbmNsdWRlL2RybS9kcm1fZ2VtLmggICAgICAgICAgICAgICAgICAgICAgfCAg MTEgKwo+Pj4gIGluY2x1ZGUvbGludXgvY2dyb3VwLWRlZnMuaCAgICAgICAgICAgICAgICB8ICAy OCArKwo+Pj4gIGluY2x1ZGUvbGludXgvY2dyb3VwLmggICAgICAgICAgICAgICAgICAgICB8ICAg MyArCj4+PiAgaW5jbHVkZS9saW51eC9tZW1jb250cm9sLmggICAgICAgICAgICAgICAgIHwgIDEw ICsKPj4+ICBrZXJuZWwvY2dyb3VwL2Nncm91cC12MS5jICAgICAgICAgICAgICAgICAgfCAgMTAg Ky0KPj4+ICBrZXJuZWwvY2dyb3VwL2Nncm91cC5jICAgICAgICAgICAgICAgICAgICAgfCAzMTAg KysrKysrKysrKysrKysrKysrLS0tCj4+PiAgbW0vbWVtY29udHJvbC5jICAgICAgICAgICAgICAg ICAgICAgICAgICAgIHwgMTgzICsrKysrKysrKysrLQo+Pj4gIDEzIGZpbGVzIGNoYW5nZWQsIDU1 MiBpbnNlcnRpb25zKCspLCA1OSBkZWxldGlvbnMoLSkKPj4+Cj4+PiAtLQo+Pj4gMi4yMS4wCj4+ Pgo+PiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiBk cmktZGV2ZWwgbWFpbGluZyBsaXN0Cj4+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK Pj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2 ZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRl dmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs