From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH] drm/i915: pwrite/pread do not require obj->base.filp, just pages Date: Mon, 13 Jun 2016 13:45:56 +0100 Message-ID: <575EAB04.1060506@linux.intel.com> References: <575E7777.6070601@linux.intel.com> <1465821620-18081-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 269D06E58B for ; Mon, 13 Jun 2016 12:45:58 +0000 (UTC) In-Reply-To: <1465821620-18081-1-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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDEzLzA2LzE2IDEzOjQwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gVGhlIGlkZWEgYmVoaW5k IHJlbGF4aW5nIHRoZSByZXN0cmljdGlvbiBmb3IgcHJlYWQvcHdyaXRlIHdhcyB0byBoYW5kbGUK PiAhb2JqLT5iYXNlLmZsaXAsIGkuZS4gbm9uLXNobWVtZnMgYmFja2VkIG9iamVjdHMsIHdoaWNo IG9ubHkgcmVxdWlyZXMKPiB0aGF0IHRoZSBvYmplY3QgcHJvdmlkZSBzdHJ1Y3QgcGFnZXMuCj4K PiB2MjogUmVtb3ZlIGV4Y2VzcyAoKS4gTm90ZSBlbm91Z2ggZWRpdGluZyBhZnRlciBjb3B5J24n cGFzdGUuCj4KPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNv bi5jby51az4KPiBDYzogQW5raXRwcmFzYWQgU2hhcm1hIDxhbmtpdHByYXNhZC5yLnNoYXJtYUBp bnRlbC5jb20+Cj4gQ2M6IFR2cnRrbyBVcnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+ Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgNyArKysrLS0tCj4g ICAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+Cj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbS5jCj4gaW5kZXggMjFkMGRlYTU3MzEyLi42Zjk1MGMzN2VmYWIgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBAQCAtNzYwLDcgKzc2MCw3IEBAIGk5MTVfZ2Vt X3NobWVtX3ByZWFkKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gICAJaW50IG5lZWRzX2NsZmx1 c2ggPSAwOwo+ICAgCXN0cnVjdCBzZ19wYWdlX2l0ZXIgc2dfaXRlcjsKPgo+IC0JaWYgKCFvYmot PmJhc2UuZmlscCkKPiArCWlmICgob2JqLT5vcHMtPmZsYWdzICYgSTkxNV9HRU1fT0JKRUNUX0hB U19TVFJVQ1RfUEFHRSkgPT0gMCkKPiAgIAkJcmV0dXJuIC1FTk9ERVY7Cj4KPiAgIAl1c2VyX2Rh dGEgPSB1NjRfdG9fdXNlcl9wdHIoYXJncy0+ZGF0YV9wdHIpOwo+IEBAIC0xMjk4LDcgKzEyOTgs OCBAQCBpOTE1X2dlbV9wd3JpdGVfaW9jdGwoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdm9pZCAq ZGF0YSwKPiAgIAkgKiBwcmVhZC9wd3JpdGUgY3VycmVudGx5IGFyZSByZWFkaW5nIGFuZCB3cml0 aW5nIGZyb20gdGhlIENQVQo+ICAgCSAqIHBlcnNwZWN0aXZlLCByZXF1aXJpbmcgbWFudWFsIGRl dGlsaW5nIGJ5IHRoZSBjbGllbnQuCj4gICAJICovCj4gLQlpZiAoIW9iai0+YmFzZS5maWxwIHx8 IGNwdV93cml0ZV9uZWVkc19jbGZsdXNoKG9iaikpIHsKPiArCWlmICgob2JqLT5vcHMtPmZsYWdz ICYgSTkxNV9HRU1fT0JKRUNUX0hBU19TVFJVQ1RfUEFHRSkgPT0gMCB8fAo+ICsJICAgIGNwdV93 cml0ZV9uZWVkc19jbGZsdXNoKG9iaikpIHsKPiAgIAkJcmV0ID0gaTkxNV9nZW1fZ3R0X3B3cml0 ZV9mYXN0KGRldl9wcml2LCBvYmosIGFyZ3MsIGZpbGUpOwo+ICAgCQkvKiBOb3RlIHRoYXQgdGhl IGd0dCBwYXRocyBtaWdodCBmYWlsIHdpdGggbm9uLXBhZ2UtYmFja2VkIHVzZXIKPiAgIAkJICog cG9pbnRlcnMgKGUuZy4gZ3R0IG1hcHBpbmdzIHdoZW4gbW92aW5nIGRhdGEgYmV0d2Vlbgo+IEBA IC0xMzA4LDcgKzEzMDksNyBAQCBpOTE1X2dlbV9wd3JpdGVfaW9jdGwoc3RydWN0IGRybV9kZXZp Y2UgKmRldiwgdm9pZCAqZGF0YSwKPiAgIAlpZiAocmV0ID09IC1FRkFVTFQpIHsKPiAgIAkJaWYg KG9iai0+cGh5c19oYW5kbGUpCj4gICAJCQlyZXQgPSBpOTE1X2dlbV9waHlzX3B3cml0ZShvYmos IGFyZ3MsIGZpbGUpOwo+IC0JCWVsc2UgaWYgKG9iai0+YmFzZS5maWxwKQo+ICsJCWVsc2UgaWYg KG9iai0+b3BzLT5mbGFncyAmIEk5MTVfR0VNX09CSkVDVF9IQVNfU1RSVUNUX1BBR0UpCj4gICAJ CQlyZXQgPSBpOTE1X2dlbV9zaG1lbV9wd3JpdGUoZGV2LCBvYmosIGFyZ3MsIGZpbGUpOwo+ICAg CQllbHNlCj4gICAJCQlyZXQgPSAtRU5PREVWOwo+CgpUbyBlbmFibGUgb24gdXNlcnB0ciBvciB0 aGVyZSBpcyBtb3JlIHRvIGl0PyBXb3VsZCBpdCBldmVuIG1ha2UgbW9yZSAKc2Vuc2UgdG8ga2Vl cCByZWplY3RpbmcgaXQgb24gdXNlcnB0ciB0byBkaXNjb3VyYWdlIHN1Ym9wdGltYWwgdXNlcnNw YWNlPwoKUmVnYXJkcywKClR2cnRrbwoKUC5TLiBZb3UgbmVlZCB0byBzZW5kIGl0IG91dHNpZGUg dGhpcyB0aHJlYWQgdG8gZ2V0IGEgQ0kgcnVuLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK