From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Kuehling Subject: Re: [PATCH 1/2] drm: Implement vm_operations_struct.access Date: Fri, 14 Jul 2017 15:47:46 -0400 Message-ID: References: <1499980105-7721-1-git-send-email-Felix.Kuehling@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-CA List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: =?UTF-8?Q?Michel_D=c3=a4nzer?= Cc: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: dri-devel@lists.freedesktop.org T24gMTctMDctMTMgMTE6MjYgUE0sIE1pY2hlbCBEw6RuemVyIHdyb3RlOgo+IE9uIDE0LzA3LzE3 IDA2OjA4IEFNLCBGZWxpeCBLdWVobGluZyB3cm90ZToKPj4gQWxsb3dzIGdkYiB0byBhY2Nlc3Mg Y29udGVudHMgb2YgdXNlciBtb2RlIG1hcHBlZCBCT3MuIFZSQU0gYWNjZXNzCj4+IHJlcXVpcmVz IHRoZSBkcml2ZXIgdG8gaW1wbGVtZW50IGEgbmV3IGNhbGxiYWNrIGluIHR0bV9ib19kcml2ZXIu Cj4gVGhhbmtzIGZvciBkb2luZyB0aGlzLiBMb29rcyBtb3N0bHkgZ29vZCwgYnV0IEkgc3RpbGwg aGF2ZSBzb21lIGNvbW1lbnRzLgo+Cj4gVGhlIHNob3J0bG9nIHByZWZpeCBzaG91bGQgYmUgImRy bS90dG06Ii4KPgo+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9ib192 bS5jIGIvZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdm0uYwo+PiBpbmRleCA5ZjUzZGY5Li4w ZWYyZWI5IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9ib192bS5jCj4+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS90dG0vdHRtX2JvX3ZtLmMKPj4gQEAgLTI5NCwxMCArMjk0 LDc0IEBAIHN0YXRpYyB2b2lkIHR0bV9ib192bV9jbG9zZShzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3Qg KnZtYSkKPj4gIAl2bWEtPnZtX3ByaXZhdGVfZGF0YSA9IE5VTEw7Cj4+ICB9Cj4+ICAKPj4gK3N0 YXRpYyBpbnQgdHRtX2JvX3ZtX2FjY2Vzc19rbWFwKHN0cnVjdCB0dG1fYnVmZmVyX29iamVjdCAq Ym8sCj4+ICsJCQkJIHVuc2lnbmVkIGxvbmcgb2Zmc2V0LAo+PiArCQkJCSB2b2lkICpidWYsIGlu dCBsZW4sIGludCB3cml0ZSkKPj4gK3sKPj4gKwl1bnNpZ25lZCBsb25nIGZpcnN0X3BhZ2UgPSBv ZmZzZXQgPj4gUEFHRV9TSElGVDsKPj4gKwl1bnNpZ25lZCBsb25nIGxhc3RfcGFnZSA9IChvZmZz ZXQgKyBsZW4gLSAxKSA+PiBQQUdFX1NISUZUOwo+PiArCXVuc2lnbmVkIGxvbmcgbnVtX3BhZ2Vz ID0gbGFzdF9wYWdlIC0gZmlyc3RfcGFnZSArIDE7Cj4+ICsJc3RydWN0IHR0bV9ib19rbWFwX29i aiBtYXA7Cj4+ICsJdm9pZCAqcHRyOwo+PiArCWJvb2wgaXNfaW9tZW07Cj4+ICsJaW50IHJldDsK Pj4gKwo+PiArCXJldCA9IHR0bV9ib19rbWFwKGJvLCBmaXJzdF9wYWdlLCBudW1fcGFnZXMsICZt YXApOwo+PiArCWlmIChyZXQpCj4+ICsJCXJldHVybiByZXQ7Cj4gQ291bGQgdGhlcmUgYmUgY2Fz ZXMgKGUuZy4gb24gMzItYml0KSB3aGVyZSBtYXBwaW5nIGFsbCBwYWdlcyBhdCBvbmNlCj4gZmFp bHMsIGJ1dCBtYXBwaW5nIG9uZSBwYWdlIGF0IGEgdGltZSB3b3VsZCB3b3JrPwoKTWF5YmUuIEkn bSBub3QgcmVhbGx5IGZhbWlsaWFyIHdpdGggdHRtX2JvX2ttYXAgbGltaXRhdGlvbnMgb24gMzIt Yml0LiBJCmd1ZXNzIHRoZSB0aGUgYWNjZXNzIHdvdWxkIGhhdmUgdG8gYmUgcmVhbGx5IGJpZy4g SSB0aGluayBpbiBwcmFjdGljZQpHREIgZG9lc24ndCBkbyB2ZXJ5IGJpZyBhY2Nlc3Nlcy4gU28g SSdtIG5vdCBzdXJlIGl0J3Mgd29ydGggdGhlIHRyb3VibGUuCgo+Cj4KPj4gKwlvZmZzZXQgLT0g Zmlyc3RfcGFnZSA8PCBQQUdFX1NISUZUOwo+PiArCXB0ciA9ICh1aW50OF90ICopdHRtX2ttYXBf b2JqX3ZpcnR1YWwoJm1hcCwgJmlzX2lvbWVtKSArIG9mZnNldDsKPj4gKwlXQVJOX09OKGlzX2lv bWVtKTsKPiBJIHN1Z2dlc3QgbWFraW5nIHRoaXMgV0FSTl9PTl9PTkNFLCB0byBhdm9pZCBmbG9v ZGluZyBkbWVzZyBpZiBpdCBldmVyCj4gdHJpZ2dlcnMgaW4gcHJhY3RpY2UuCj4KPgo+PiAgc3Rh dGljIHN0cnVjdCB0dG1fYnVmZmVyX29iamVjdCAqdHRtX2JvX3ZtX2xvb2t1cChzdHJ1Y3QgdHRt X2JvX2RldmljZSAqYmRldiwKPj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvZHJtL3R0bS90dG1fYm9f ZHJpdmVyLmggYi9pbmNsdWRlL2RybS90dG0vdHRtX2JvX2RyaXZlci5oCj4+IGluZGV4IDZiYmQz NGQuLjZjZTUwOTQgMTAwNjQ0Cj4+IC0tLSBhL2luY2x1ZGUvZHJtL3R0bS90dG1fYm9fZHJpdmVy LmgKPj4gKysrIGIvaW5jbHVkZS9kcm0vdHRtL3R0bV9ib19kcml2ZXIuaAo+PiBAQCAtNDcxLDYg KzQ3MSwxOCBAQCBzdHJ1Y3QgdHRtX2JvX2RyaXZlciB7Cj4+ICAJICovCj4+ICAJdW5zaWduZWQg bG9uZyAoKmlvX21lbV9wZm4pKHN0cnVjdCB0dG1fYnVmZmVyX29iamVjdCAqYm8sCj4+ICAJCQkJ ICAgIHVuc2lnbmVkIGxvbmcgcGFnZV9vZmZzZXQpOwo+PiArCj4+ICsJLyoqCj4+ICsJICogUmVh ZC93cml0ZSBWUkFNIGJ1ZmZlcnMgZm9yIHB0cmFjZSBhY2Nlc3MKPiBJcyB0aGVyZSBhbnkgcmVh c29uIGZvciBtYWtpbmcgdGhpcyBzcGVjaWZpYyB0byBWUkFNPyB0dG1fYm9fdm1fYWNjZXNzCj4g Y291bGQganVzdCBjYWxsIHRoaXMgZm9yIGFueXRoaW5nIGV4Y2VwdCBUVE1fUExfU1lTVEVNIC8g VFRNX1BMX1RULCBhbmQKPiBsZXQgdGhlIGRyaXZlciByZXR1cm4gYW4gZXJyb3IgaWYgaXQgY2Fu J3QgaGFuZGxlIHRoZSBtZW1vcnkgdHlwZS4KCkdvb2QgcG9pbnQuIEknbGwgY2hhbmdlIHRoYXQu Cgo+Cj4KPj4gKwkgKiBAYm86IHRoZSBCTyB0byBhY2Nlc3MKPj4gKwkgKiBAb2Zmc2V0OiB0aGUg b2Zmc2V0IGZyb20gdGhlIHN0YXJ0IG9mIHRoZSBCTwo+PiArCSAqIEBidWY6IHBvaW50ZXIgdG8g c291cmNlL2Rlc3RpbmF0aW9uIGJ1ZmZlcgo+PiArCSAqIEBsZW46IG51bWJlciBvZiBieXRlcyB0 byBjb3B5Cj4+ICsJICogQHdyaXRlOiB3aGV0aGVyIHRvIHJlYWQgKDApIGZyb20gb3Igd3JpdGUg KG5vbi0wKSB0byBCTwo+PiArCSAqLwo+IFRoZSBtZWFuaW5nIG9mIHRoZSByZXR1cm4gdmFsdWUg c2hvdWxkIGFsc28gYmUgZG9jdW1lbnRlZCBoZXJlLgo+Cj4KPj4gKwlpbnQgKCphY2Nlc3NfdnJh bSkoc3RydWN0IHR0bV9idWZmZXJfb2JqZWN0ICpibywgdW5zaWduZWQgbG9uZyBvZmZzZXQsCj4+ ICsJCQkgICB2b2lkICpidWYsIGludCBsZW4sIGludCB3cml0ZSk7Cj4+ICB9Owo+IEkgc3VnZ2Vz dCBtYWtpbmcgdGhlIHdyaXRlIHBhcmFtZXRlciBhIGJvb2wuCgpJIG1hZGUgdGhpcyBhcyBzaW1p bGFyIGFzIHBvc3NpYmxlIHRvIHRoZSB2bV9vcHMtPmFjY2VzcyBBUEksIHdoZXJlCndyaXRlIGlz IGFsc28gYW4gaW50ZWdlci4KClJlZ2FyZHMsCiAgRmVsaXgKCj4KPgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1k LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==