From mboxrd@z Thu Jan 1 00:00:00 1970 From: Terje Bergstrom Subject: Re: [PATCH 3/6] mmu: map small pages into big pages(s) by IOMMU if possible Date: Fri, 17 Apr 2015 08:37:46 -0700 Message-ID: <553128CA.40304@nvidia.com> References: <1429182379-31964-1-git-send-email-vinceh@nvidia.com> <1429182379-31964-4-git-send-email-vinceh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Alexandre Courbot , Vince Hsu Cc: "nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , Ben Skeggs List-Id: nouveau.vger.kernel.org Ck9uIDA0LzE3LzIwMTUgMDI6MTEgQU0sIEFsZXhhbmRyZSBDb3VyYm90IHdyb3RlOgo+IFRyYWNr aW5nIHRoZSBQREUgYW5kIFBURSBvZiBlYWNoIG1lbW9yeSBjaHVuayBjYW4gcHJvYmFibHkgYmUg YXZvaWRlZAo+IGlmIHlvdSBjaGFuZ2UgeW91ciB1bm1hcHBpbmcgc3RyYXRlZ3kuIEN1cnJlbnRs eSB5b3UgYXJlIGdvaW5nIHRocm91Z2gKPiB0aGUgbGlzdCBvZiBudmttX3ZtX2JwX2xpc3QsIGJ1 dCB5b3Uga25vdyB5b3VyIFBERSBhbmQgUFRFIGFyZSBhbHdheXMKPiBnb2luZyB0byBiZSBhZGph Y2VudCwgc2luY2UgYSBudmttX3ZtYSByZXByZXNlbnRzIGEgY29udGlndW91cyBibG9jawo+IGlu IHRoZSBHUFUgVkEuIFNvIHdoZW4gdW5tYXBwaW5nLCB5b3UgY2FuIHNpbXBseSBjaGVjayBmb3Ig ZWFjaCBQVEUKPiBlbnRyeSB3aGV0aGVyIHRoZSBJT01NVSBiaXQgaXMgc2V0LCBhbmQgdW5tYXAg ZnJvbSB0aGUgSU9NTVUgc3BhY2UKPiBhZnRlciB1bm1hcHBpbmcgZnJvbSB0aGUgR1BVIFZBIHNw YWNlLCBpbiBhIGxvb3Agc2ltaWxhciB0byB0aGF0IG9mCj4gbnZrbV92bV91bm1hcF9hdCgpLgo+ Cj4gVGhlbiB3ZSBvbmx5IG5lZWQgcHJpdi4gWW91IGFyZSBrZWVwaW5nIHRoZSBudmttX21tX25v ZGUgb2YgdGhlIElPTU1VCj4gc3BhY2UgaW50byBpdCwgYW5kIHlvdSBuZWVkIGl0IHRvIGZyZWUg dGhlIElPTU1VIFZBIHNwYWNlLiBJZiBvbmx5IHdlCj4gY291bGQgZmluZCBhbm90aGVyIHdheSB0 byBzdG9yZSBpdCwgd2UgY291bGQgZ2V0IHJpZCBvZiB0aGUgd2hvbGUKPiBzdHJ1Y3R1cmUgYW5k IGFzc29jaWF0ZWQgbGlzdF9oZWFkIGluIG52a21fdm1hLi4uCj4KPiBJIG5lZWQgdG8gZ2l2ZSBp dCBzb21lIG1vcmUgdGhvdWdodHMsIGFuZCB3ZSB3aWxsIHByb2JhYmx5IG5lZWQgdG8KPiBjaGFu Z2UgYSBmZXcgdGhpbmdzIGluIGJhc2UuYyB0byBtYWtlIHRoZSBob29rcyBtb3JlIGZsZXhpYmxl LCBzbwo+IHBsZWFzZSBnaXZlIG1lIHNvbWUgbW9yZSB0aW1lIHRvIHRoaW5rIGFib3V0IGl0LiA6 KSBJIGp1c3Qgd2FudGVkIHRvCj4gc2hhcmUgbXkgdGhvdWdodHMgc28gZmFyIGluIGNhc2UgdGhp cyBwdXRzIHlvdSBvbiB0cmFjay4KVGhlIHdheSB5b3UgZGVzY3JpYmVkIGl0IHdvdWxkIG1ha2Ug R1BVIE1NVSBhbmQgSU9NTVUgbWFwcGluZ3MgMToxLiBTbyAKd2hlbiB3ZSBtYXAgYSBidWZmZXIg dG8gR1BVIE1NVSwgd2UgYWx3YXlzIG1hcCBwYWdlIGJ5IHBhZ2UgdGhlIGJ1ZmZlciAKYWxzbyB0 byBJT01NVS4gVGhlcmUgYXJlIGRpc2FkdmFudGFnZXMgaGVyZS4KCklPTU1VIGFkZHJlc3NlcyBh cmUgZ2xvYmFsLCBhbmQgdXNlcyBpbiB0aGUgR1BVIGNhY2hlcy4gV2hlbiBhIGJ1ZmZlciBpcyAK bWFwcGVkIG11bHRpcGxlIHRpbWVzIHRvIGRpZmZlcmVudCBncmFwaGljcyBjb250ZXh0cywgd2Ug d2FudCB0byBhdm9pZCAKY2FjaGUgYWxpYXNpbmcgYnkgbWFwcGluZyB0aGUgYnVmZmVyIG9ubHkg b25jZSB0byBJT01NVS4gV2UgYWxzbyB3YW50IHRvIAp1bm1hcCB0aGUgYnVmZmVyIGZyb20gSU9N TVUgb25seSBvbmNlIGFmdGVyIGFsbCB0aGUgaW5zdGFuY2VzIG9mIHRoZSAKYnVmZmVyIGhhdmUg YmVlbiB1bm1hcHBlZCwgb3Igb25seSB3aGVuIHRoZSBidWZmZXIgaXMgYWN0dWFsbHkgZnJlZWQg dG8gCmNhY2hlIElPTU1VIG1hcHBpbmdzLgoKRG9pbmcgSU9NTVUgbWFwcGluZyBmb3IgdGhlIHdo b2xlIGJ1ZmZlciB3aXRoIGRtYV9tYXBfc2cgaXMgYWxzbyBmYXN0ZXIgCnRoYW4gbWFwcGluZyBw YWdlIGJ5IHBhZ2UsIGJlY2F1c2UgeW91IGNhbiBkbyBvbmx5IG9uZSBUTEIgaW52YWxpZGF0ZSBp biAKdGhlIGVuZCBvZiB0aGUgbG9vcCBpbnN0ZWFkIG9mIGFmdGVyIGV2ZXJ5IHBhZ2UgaWYgeW91 IHVzZSBkbWFfbWFwX3NpbmdsZS4KCkFsbCBvZiB0aGVzZSB3b3VsZCB0YWxrIGZvciBoYXZpbmcg SU9NTVUgYW5kIEdNTVUgbWFwcGluZyBsb29wcyAKc2VwYXJhdGUuIFRoaXMgcGF0Y2ggc2V0IGRv ZXMgbm90IGltcGxlbWVudCBib3RoIHRoZSBhZHZhbnRhZ2VzIGFib3ZlLCAKYnV0IHlvdXIgc3Vn Z2VzdGlvbiB3b3VsZCB0YWtlIHVzIGZ1cnRoZXIgYXdheSBmcm9tIHRoYXQgdGhhbiBWaW5jZSdz IAp2ZXJzaW9uLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpOb3V2ZWF1IG1haWxpbmcgbGlzdApOb3V2ZWF1QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vbm91dmVhdQo=