From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Chew Subject: Re: CUDA fixed VA allocations and sparse mappings Date: Tue, 7 Jul 2015 17:15:59 -0700 Message-ID: <20150708001559.GA30347@achew-linux64.nvidia.com> References: <20150707004249.GC27924@achew-linux64.nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org T24gVHVlLCBKdWwgMDcsIDIwMTUgYXQgMDg6MTM6MjhQTSAtMDQwMCwgSWxpYSBNaXJraW4gd3Jv dGU6Cj4gT24gVHVlLCBKdWwgNywgMjAxNSBhdCA4OjExIFBNLCBDIEJlcmdzdHLDtm0gPGNiZXJn c3Ryb21AcGF0aHNjYWxlLmNvbT4gd3JvdGU6Cj4gPiBPbiBXZWQsIEp1bCA4LCAyMDE1IGF0IDc6 MDggQU0sIElsaWEgTWlya2luIDxpbWlya2luQGFsdW0ubWl0LmVkdT4gd3JvdGU6Cj4gPj4gT24g VHVlLCBKdWwgNywgMjAxNSBhdCA4OjA3IFBNLCBDIEJlcmdzdHLDtm0gPGNiZXJnc3Ryb21AcGF0 aHNjYWxlLmNvbT4gd3JvdGU6Cj4gPj4+IE9uIFdlZCwgSnVsIDgsIDIwMTUgYXQgNjo1OCBBTSwg QmVuIFNrZWdncyA8c2tlZ2dzYkBnbWFpbC5jb20+IHdyb3RlOgo+ID4+Pj4gT24gOCBKdWx5IDIw MTUgYXQgMDk6NTMsIEMgQmVyZ3N0csO2bSA8Y2JlcmdzdHJvbUBwYXRoc2NhbGUuY29tPiB3cm90 ZToKPiA+Pj4+PiByZWdhcmRpbmcKPiA+Pj4+PiAtLS0tLS0tLQo+ID4+Pj4+IEZpeGVkIGFkZHJl c3MgYWxsb2NhdGlvbnMgd2VyZW4ndCBnb2luZyB0byBiZSBwYXJ0IG9mIHRoYXQsIGJ1dCBJIHNl ZQo+ID4+Pj4+IHRoYXQgaXQgbWFrZXMgc2Vuc2UgZm9yIGEgdmFyaWV0eSBvZiB1c2UgY2FzZXMu ICBPbmUgcXVlc3Rpb24gSSBoYXZlCj4gPj4+Pj4gaGVyZSBpcyBob3cgdGhpcyBpcyBpbnRlbmRl ZCB0byB3b3JrIHdoZXJlIHRoZSBSTSBuZWVkcyB0byBtYWtlIHNvbWUKPiA+Pj4+PiBvZiB0aGVz ZSBhbGxvY2F0aW9ucyBpdHNlbGYgKGZvciBncmFwaGljcyBjb250ZXh0IG1hcHBpbmcsIGV0Yyks IGhvdwo+ID4+Pj4+IHNob3VsZCBwb3RlbnRpYWwgY29uZmxpY3RzIHdpdGggdXNlciBtYXBwaW5n cyBiZSBoYW5kbGVkPwo+ID4+Pj4+IC0tLS0tLS0tCj4gPj4+Pj4gQXMgYW4gaW5pdGlhbCBpbXBs ZW1ldGF0aW9uIHlvdSBjYW4gcHJvYmFibHkgYXNzdW1lIHRoYXQgdGhlIEdQVQo+ID4+Pj4+IG9m ZmxvYWRpbmcgaXMgaW4gImV4Y2x1c2l2ZSIgbW9kZS4gQmFzaWNhbGx5IHRoYXQgdGhlIENVREEg b3IgT3BlbkFDQwo+ID4+Pj4+IGNvZGUgaGFzIGZ1bGwgb3duZXJzaGlwIG9mIHRoZSBjYXJkLiBU aGUgVGVzbGEgY2FyZHMgZG9uJ3QgZXZlbiBoYXZlIGEKPiA+Pj4+PiB2aWRlbyBvdXQgb24gdGhl bS4gVG8gY29tcGxpY2F0ZSB0aGlzIGV2ZW4gbW9yZSAtIHNvbWUgb2ZmbG9hZGluZyBjb2RlCj4g Pj4+Pj4gaGFzIHZlcnkgbG9uZyBydW5uaW5nIGtlcm5lbHMgYW5kIGV2ZW4gd29yc2UgLSBtYXkg Y3JpdGljYWxseSBkZXBlbmQKPiA+Pj4+PiBvbiB1c2luZyB0aGUgZnVsbCBhdmFpbGFibGUgR1BV IHJhbS4gKExhcmdlIG1hdHJpeCBzaXplcyBhbmQgc29vbiBiaWcKPiA+Pj4+PiBGb3J0cmFuIGFy cmF5cyBvciBjb21wbGV4IGRhdGEgdHlwZXMpCj4gPj4+PiBUaGlzIGRvZXNuJ3QgY2hhbmdlIHRo YXQsIHRvIHNldHVwIHRoZSBncmFwaGljcyBlbmdpbmUsIHRoZSBkcml2ZXIKPiA+Pj4+IG5lZWRz IHRvIG1hcCB2YXJpb3VzIHN5c3RlbS11c2UgZGF0YSBzdHJ1Y3R1cmVzIGludG8gdGhlIGNoYW5u ZWwncwo+ID4+Pj4gYWRkcmVzcyBzcGFjZSAqc29tZXdoZXJlKiA6KQo+ID4+Pgo+ID4+PiBJJ20g bm90IHN1cmUgSSBmb2xsb3cgZXhhY3RseSB3aGF0IHlvdSBtZWFuLCBidXQgSSB0aGluayB0aGUg YW5zd2VyIGlzCj4gPj4+IC0gZG9uJ3Qgc2V0dXAgdGhlIGdyYXBoaWNzIGVuZ2luZSBpZiB5b3Un cmUgaW4gImNvbXB1dGUiIG1vZGUuIERvaW5nCj4gPj4+IHRoYXQsIGlpdWMsIHdpbGwgYXQgbGVh c3QgcHJvdmlkZSBhIHN0YXJ0IHRvIHN1cHBvcnQgZm9yIGNvbXB1dGUuCj4gPj4+IEFueW9uZSB3 aG8gYXJndWVzIHRoYXQgZ3JhcGhpY3MrY29tcHV0ZSBpcyBjcml0aWNhbCB0byBoYXZlIHdvcmtp bmcgYXQKPiA+Pj4gdGhlIHNhbWUgdGltZSBpcyBwcm9iYWJseSBhIDElLgo+ID4+Cj4gPj4gT24g TlZJRElBIEdQVXMsIGNvbXB1dGUgX2lzXyBwYXJ0IG9mIHRoZSBncmFwaGljcyBlbmdpbmUuLi4g YWthIFBHUkFQSC4KPiA+Cj4gPiBZb3UgY2FuIGFmYWlrIHNldHVwIFBHUkFQSCB3aXRob3V0IG1h cHBpbmcgbWVtb3J5IGZvciBncmFwaGljcy4gWW91Cj4gPiBqdXN0IGluaXQgdGhlIGVuZ2luZSBh bmQgZ2V0IG91dCBvZiB0aGUgd2F5Lgo+IAo+IEJ1dC4uLiB5b3UgbmVlZCB0byBtYXAgbWVtb3J5 IHRvIHNldCB1cCB0aGUgZW5naW5lLiBOb3QgYSBsb3QsIGJ1dAo+IGl0J3MgZ290dGEgZ28gKnNv bWV3aGVyZSouCgpUaGVyZSdzIHNvbWUgbWluaW1hbCBzdGF0ZSB0aGF0IG5lZWRzIHRvIGJlIG1h cHBlZCBpbnRvIEdQVSBhZGRyZXNzIHNwYWNlLgpPbmUgdGhpbmcgdGhhdCBjb21lcyB0byBtaW5k IGFyZSBwdXNoYnVmZmVycywgd2hpY2ggYXJlIG5lZWRlZCB0byBzdWJtaXQKc3R1ZmYgdG8gYW55 IGVuZ2luZS4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K Tm91dmVhdSBtYWlsaW5nIGxpc3QKTm91dmVhdUBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL25vdXZlYXUK