From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Date: Wed, 16 Oct 2019 16:04:52 +0000 Message-ID: <20191016160444.GB3430@mellanox.com> References: <20191015181242.8343-1-jgg@ziepe.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "christian.koenig-5C7GfCeVMHo@public.gmane.org" Cc: Andrea Arcangeli , Ralph Campbell , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , John Hubbard , "Felix.Kuehling-5C7GfCeVMHo@public.gmane.org" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org" , Jerome Glisse , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , Ben Skeggs List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBPY3QgMTYsIDIwMTkgYXQgMTA6NTg6MDJBTSArMDIwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToNCj4gQW0gMTUuMTAuMTkgdW0gMjA6MTIgc2NocmllYiBKYXNvbiBHdW50aG9ycGU6 DQo+ID4gRnJvbTogSmFzb24gR3VudGhvcnBlIDxqZ2dAbWVsbGFub3guY29tPg0KPiA+IA0KPiA+ IDggb2YgdGhlIG1tdV9ub3RpZmllciB1c2luZyBkcml2ZXJzIChpOTE1X2dlbSwgcmFkZW9uX21u LCB1bWVtX29kcCwgaGZpMSwNCj4gPiBzY2lmX2RtYSwgdmhvc3QsIGdudGRldiwgaG1tKSBkcml2 ZXJzIGFyZSB1c2luZyBhIGNvbW1vbiBwYXR0ZXJuIHdoZXJlDQo+ID4gdGhleSBvbmx5IHVzZSBp bnZhbGlkYXRlX3JhbmdlX3N0YXJ0L2VuZCBhbmQgaW1tZWRpYXRlbHkgY2hlY2sgdGhlDQo+ID4g aW52YWxpZGF0aW5nIHJhbmdlIGFnYWluc3Qgc29tZSBkcml2ZXIgZGF0YSBzdHJ1Y3R1cmUgdG8g dGVsbCBpZiB0aGUNCj4gPiBkcml2ZXIgaXMgaW50ZXJlc3RlZC4gSGFsZiBvZiB0aGVtIHVzZSBh biBpbnRlcnZhbF90cmVlLCB0aGUgb3RoZXJzIGFyZQ0KPiA+IHNpbXBsZSBsaW5lYXIgc2VhcmNo IGxpc3RzLg0KPiA+IA0KPiA+IE9mIHRoZSBvbmVzIEkgY2hlY2tlZCB0aGV5IGxhcmdlbHkgc2Vl bSB0byBoYXZlIHZhcmlvdXMga2luZHMgb2YgcmFjZXMsDQo+ID4gYnVncyBhbmQgcG9vciBpbXBs ZW1lbnRhdGlvbi4gVGhpcyBpcyBhIHJlc3VsdCBvZiB0aGUgY29tcGxleGl0eSBpbiBob3cNCj4g PiB0aGUgbm90aWZpZXIgaW50ZXJhY3RzIHdpdGggZ2V0X3VzZXJfcGFnZXMoKS4gSXQgaXMgZXh0 cmVtZWx5IGRpZmZpY3VsdCB0bw0KPiA+IHVzZSBpdCBjb3JyZWN0bHkuDQo+ID4gDQo+ID4gQ29u c29saWRhdGUgYWxsIG9mIHRoaXMgY29kZSB0b2dldGhlciBpbnRvIHRoZSBjb3JlIG1tdV9ub3Rp ZmllciBhbmQNCj4gPiBwcm92aWRlIGEgbG9ja2luZyBzY2hlbWUgc2ltaWxhciB0byBobW1fbWly cm9yIHRoYXQgYWxsb3dzIHRoZSB1c2VyIHRvDQo+ID4gc2FmZWx5IHVzZSBnZXRfdXNlcl9wYWdl cygpIGFuZCByZWxpYWJseSBrbm93IGlmIHRoZSBwYWdlIGxpc3Qgc3RpbGwNCj4gPiBtYXRjaGVz IHRoZSBtbS4NCj4gDQo+IFRoYXQgc291bmRzIHJlYWxseSBnb29kLCBidXQgY291bGQgeW91IG91 dGxpbmUgZm9yIGEgbW9tZW50IGhvdyB0aGF0IGlzDQo+IGFyY2hpdmVkPw0KDQpJdCB1c2VzIHRo ZSBzYW1lIGJhc2ljIHNjaGVtZSBhcyBobW0gYW5kIHJkbWEgb2RwLCBvdXRsaW5lZCBpbiB0aGUN CnJldmlzaW9ucyB0byBobW0ucnN0IGxhdGVyIG9uLg0KDQpCYXNpY2FsbHksIA0KDQogc2VxID0g bW11X3JhbmdlX3JlYWRfYmVnaW4oJm1ybik7DQoNCiAvLyBUaGlzIGlzIGEgc3BlY3VsYXRpdmUg cmVnaW9uDQogLi4gZ2V0X3VzZXJfcGFnZXMoKS9obW1fcmFuZ2VfZmF1bHQoKSAuLg0KIC8vIFJl c3VsdCBjYW5ub3QgYmUgZGVyZmVyZW5jZWQNCg0KIHRha2VfbG9jayhkcml2ZXItPnVwZGF0ZSk7 DQogaWYgKG1tdV9yYW5nZV9yZWFkX3JldHJ5KCZtcm4sIHJhbmdlLm5vdGlmaWVyX3NlcSkgew0K ICAgIC8vIGNvbGxpc2lvbiEgVGhlIHJlc3VsdHMgYXJlIG5vdCBjb3JyZWN0DQogICAgZ290byBh Z2Fpbg0KIH0NCg0KIC8vIG5vIGNvbGxpc2lvbiwgYW5kIG5vdyB1bmRlciBsb2NrLiBOb3cgd2Ug Y2FuIGRlLXJlZmVyZW5jZSB0aGUgcGFnZXMvZXRjDQogLy8gcHJvZ3JhbSBIVw0KIC8vIE5vdyB0 aGUgaW52YWxpZGF0ZSBjYWxsYmFjayBpcyByZXNwb25zaWJsZSB0byBzeW5jaHJvbml6ZSBhZ2Fp bnN0IGNoYW5nZXMNCiB1bmxvY2soZHJpdmVyLT51cGRhdGUpIA0KDQpCYXNpY2FsbHksIGFueXRo aW5nIHRoYXQgd2FzIHVzaW5nIGhtbV9taXJyb3IgY29ycmVjdGx5IHRyYW5zaXNpb25zDQpvdmVy IGZhaXJseSB0cml2aWFsbHksIGp1c3Qgd2l0aCB0aGUgbW9kaWZpY2F0aW9uIHRvIHN0b3JlIGEg c2VxdWVuY2UNCm51bWJlciB0byBjbG9zZSB0aGF0IHJhY2UgZGVzY3JpYmVkIGluIHRoZSBobW0g Y29tbWl0Lg0KDQpGb3Igc29tZXRoaW5nIGxpa2UgQU1EIGdwdSBJIGV4cGVjdCBpdCB0byB0cmFu c2l0aW9uIHRvIHVzZSBkbWFfZmVuY2UNCmZyb20gdGhlIG5vdGlmaWVyIGZvciBjb2hlcmVuY3kg cmlnaHQgYmVmb3JlIGl0IHVubG9ja3MgZHJpdmVyLT51cGRhdGUuDQoNCkphc29uDQpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcg bGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZng=