From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: Re: [PATCH] drm: Explicitly compute the last cacheline for clflush on range Date: Sat, 17 Oct 2015 23:03:19 +0300 Message-ID: <1445112199.28898.6.camel@intel.com> References: <1445025355-19348-1-git-send-email-chris@chris-wilson.co.uk> Reply-To: imre.deak@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1445025355-19348-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE1LTEwLTE2IGF0IDIwOjU1ICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4g Rml4ZXMgcmVncmVzc2lvbiBmcm9tCj4gCj4gY29tbWl0IGFmY2Q5NTBjYWZlYTZlMjdiNzM5ZmU3 NzcyY2JiZWVkMzdkMDViOGIKPiBBdXRob3I6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2ls c29uLmNvLnVrPgo+IERhdGU6ICAgV2VkIEp1biAxMCAxNTo1ODowMSAyMDE1ICswMTAwCj4gCj4g ICAgIGRybTogQXZvaWQgdGhlIGRvdWJsZSBjbGZsdXNoIG9uIHRoZSBsYXN0IGNhY2hlIGxpbmUg aW4gZHJtX2NsZmx1c2hfdmlydF9yYW5nZSgpCj4gCj4gSSdtIHN0dW1wZWQuIExvb2tpbmcgYXQg dGhlIGxvb3Agd2Ugc2hvdWxkIGJlIGl0ZXJhdGluZyBvdmVyIGV2ZXJ5IGNhY2hlCj4gbGluZSB1 bnRpbCB3ZSByZWFjaCB0aGUgc3RhcnQgb2YgdGhlIGNhY2hlbGluZSBhZnRlciB0aGUgZW5kIG9m IHRoZQo+IHZpcnR1YWwgcmFuZ2UuIEV2aWRlbmNlIHNheXMgb3RoZXJ3aXNlLgo+IAo+IE1vcmUg Yml6YXJlbHksIEkgc3RvcmVkIHRoZSBsYXN0IGFkZHJlc3MgdG8gYmUgY2xmbHVzaGVkIGFuZCBm b3VuZCBpdCB0bwo+IGJlIGVxdWFsIHRvIHRoZSBzdGFydCBvZiB0aGUgY2FjaGVsaW5lIGNvbnRh aW5pbmcgdGhlIGxhc3QgYnl0ZS4gRG91Ymx5Cj4gcHVycGxleGVkLgo+IAo+IEJ1Z3ppbGxhOiBo dHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD05MjUwMQo+IFRlc3Rj YXNlOiBnZW1fdGlsZWRfcGFydGlhbF9wd3JpdGVfcHJlYWQvcmVhZHMKPiBTaWduZWQtb2ZmLWJ5 OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBDYzogSW1yZSBEZWFr IDxpbXJlLmRlYWtAaW50ZWwuY29tPgo+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVy QGZmd2xsLmNoPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2NhY2hlLmMgfCA5ICsrKysr Ky0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+ IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2NhY2hlLmMgYi9kcml2ZXJzL2dw dS9kcm0vZHJtX2NhY2hlLmMKPiBpbmRleCA2NzQzZmY3ZGNjZmEuLjdjOTA5YmM4YjY4YSAxMDA2 NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2NhY2hlLmMKPiArKysgYi9kcml2ZXJzL2dw dS9kcm0vZHJtX2NhY2hlLmMKPiBAQCAtMTMxLDEwICsxMzEsMTMgQEAgZHJtX2NsZmx1c2hfdmly dF9yYW5nZSh2b2lkICphZGRyLCB1bnNpZ25lZCBsb25nIGxlbmd0aCkKPiAgI2lmIGRlZmluZWQo Q09ORklHX1g4NikKPiAgCWlmIChjcHVfaGFzX2NsZmx1c2gpIHsKPiAgCQljb25zdCBpbnQgc2l6 ZSA9IGJvb3RfY3B1X2RhdGEueDg2X2NsZmx1c2hfc2l6ZTsKPiAtCQl2b2lkICplbmQgPSBhZGRy ICsgbGVuZ3RoOwo+IC0JCWFkZHIgPSAodm9pZCAqKSgoKHVuc2lnbmVkIGxvbmcpYWRkcikgJiAt c2l6ZSk7Cj4gKwkJdm9pZCAqZW5kOwo+ICsKPiArCQllbmQgPSAodm9pZCAqKSgoKHVuc2lnbmVk IGxvbmcpYWRkciArIGxlbmd0aCAtIDEpICYgLXNpemUpOwo+ICsJCWFkZHIgPSAodm9pZCAqKSgo dW5zaWduZWQgbG9uZylhZGRyICYgLXNpemUpOwo+ICsKPiAgCQltYigpOwo+IC0JCWZvciAoOyBh ZGRyIDwgZW5kOyBhZGRyICs9IHNpemUpCj4gKwkJZm9yICg7IGFkZHIgPD0gZW5kOyBhZGRyICs9 IHNpemUpCgpIbSwgSSBjYW4ndCBzZWUgaG93IGNvdWxkIHRoaXMgbWFrZSBhbnkgZGlmZmVyZW5j ZS4gVGhlIG9sZCB3YXkgc3RpbGwKbG9va3Mgb2sgdG8gbWUgYW5kIHRoZSBuZXcgdmVyc2lvbiB3 b3VsZCBmbHVzaCB0aGUgZXhhY3Qgc2FtZSBjYWNoZQpsaW5lcyBhcyB0aGUgb2xkIG9uZSB1c2lu ZyB0aGUgc2FtZSBhZGRyZXNzZXMgKGJlZ2lubmluZyBvZiBlYWNoIGNhY2hlCmxpbmUpLgoKPiAg CQkJY2xmbHVzaG9wdChhZGRyKTsKPiAgCQltYigpOwo+ICAJCXJldHVybjsKCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=