From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH 1/4] dma-buf: add dma_buf_(un)map_attachment_locked variants v2 Date: Tue, 3 Jul 2018 13:37:00 +0200 Message-ID: <0e247a50-4fae-a9d3-1e1f-d07bb076ecf7@gmail.com> References: <20180622141103.1787-1-christian.koenig@amd.com> <20180622141103.1787-2-christian.koenig@amd.com> <5B34AFFC.6080805@amd.com> Reply-To: christian.koenig@amd.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5B34AFFC.6080805@amd.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: "Zhang, Jerry (Junwei)" , daniel@ffwll.ch, sumit.semwal@linaro.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org QW0gMjguMDYuMjAxOCB1bSAxMTo1MyBzY2hyaWViIFpoYW5nLCBKZXJyeSAoSnVud2VpKToKPiBP biAwNi8yMi8yMDE4IDEwOjExIFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+PiBBZGQgZnVu Y3Rpb24gdmFyaWFudHMgd2hpY2ggY2FuIGJlIGNhbGxlZCB3aXRoIHRoZSByZXNlcnZhdGlvbiBs b2NrCj4+IGFscmVhZHkgaGVsZC4KPj4KPj4gdjI6IHJlb3JkZXJlZCwgYWRkIGxvY2tkZXAgYXNz ZXJ0cywgZml4IGtlcm5lbGRvYwo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RpYW4gS8O2bmln IDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4+IC0tLQo+PiDCoCBkcml2ZXJzL2RtYS1idWYv ZG1hLWJ1Zi5jIHwgNTcgCj4+ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrCj4+IMKgIGluY2x1ZGUvbGludXgvZG1hLWJ1Zi5owqDCoCB8wqAgNSArKysrKwo+ PiDCoCAyIGZpbGVzIGNoYW5nZWQsIDYyIGluc2VydGlvbnMoKykKPj4KPj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZG1hLWJ1Zi9kbWEtYnVmLmMgYi9kcml2ZXJzL2RtYS1idWYvZG1hLWJ1Zi5jCj4+ IGluZGV4IDg1MmEzOTI4ZWU3MS4uZGM5NGU3NmUyZTJhIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJz L2RtYS1idWYvZG1hLWJ1Zi5jCj4+ICsrKyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtYnVmLmMKPj4g QEAgLTYwNiw2ICs2MDYsNDAgQEAgdm9pZCBkbWFfYnVmX2RldGFjaChzdHJ1Y3QgZG1hX2J1ZiAq ZG1hYnVmLCAKPj4gc3RydWN0IGRtYV9idWZfYXR0YWNobWVudCAqYXR0YWNoKQo+PiDCoCB9Cj4+ IMKgIEVYUE9SVF9TWU1CT0xfR1BMKGRtYV9idWZfZGV0YWNoKTsKPj4KPj4gKy8qKgo+PiArICog ZG1hX2J1Zl9tYXBfYXR0YWNobWVudF9sb2NrZWQgLSBNYXBzIHRoZSBidWZmZXIgaW50byBfZGV2 aWNlXyAKPj4gYWRkcmVzcyBzcGFjZQo+PiArICogd2l0aCB0aGUgcmVzZXJ2YXRpb24gbG9jayBo ZWxkLiBJcyBhIHdyYXBwZXIgZm9yIG1hcF9kbWFfYnVmKCkgb2YgCj4+IHRoZQo+PiArICoKPj4g KyAqIFJldHVybnMgdGhlIHNjYXR0ZXJsaXN0IHRhYmxlIG9mIHRoZSBhdHRhY2htZW50Owo+PiAr ICogZG1hX2J1Zl9vcHMuCj4+ICsgKiBAYXR0YWNoOsKgwqDCoCBbaW5dwqDCoMKgIGF0dGFjaG1l bnQgd2hvc2Ugc2NhdHRlcmxpc3QgaXMgdG8gYmUgcmV0dXJuZWQKPj4gKyAqIEBkaXJlY3Rpb246 wqDCoMKgIFtpbl3CoMKgwqAgZGlyZWN0aW9uIG9mIERNQSB0cmFuc2Zlcgo+PiArICoKPj4gKyAq IFJldHVybnMgc2dfdGFibGUgY29udGFpbmluZyB0aGUgc2NhdHRlcmxpc3QgdG8gYmUgcmV0dXJu ZWQ7IAo+PiByZXR1cm5zIEVSUl9QVFIKPj4gKyAqIG9uIGVycm9yLiBNYXkgcmV0dXJuIC1FSU5U UiBpZiBpdCBpcyBpbnRlcnJ1cHRlZCBieSBhIHNpZ25hbC4KPj4gKyAqCj4+ICsgKiBBIG1hcHBp bmcgbXVzdCBiZSB1bm1hcHBlZCBieSB1c2luZyAKPj4gZG1hX2J1Zl91bm1hcF9hdHRhY2htZW50 X2xvY2tlZCgpLiBOb3RlCj4+ICsgKiB0aGF0IHRoZSB1bmRlcmx5aW5nIGJhY2tpbmcgc3RvcmFn ZSBpcyBwaW5uZWQgZm9yIGFzIGxvbmcgYXMgYSAKPj4gbWFwcGluZwo+PiArICogZXhpc3RzLCB0 aGVyZWZvcmUgdXNlcnMvaW1wb3J0ZXJzIHNob3VsZCBub3QgaG9sZCBvbnRvIGEgbWFwcGluZyAK Pj4gZm9yIHVuZHVlCj4+ICsgKiBhbW91bnRzIG9mIHRpbWUuCj4+ICsgKi8KPj4gK3N0cnVjdCBz Z190YWJsZSAqCj4+ICtkbWFfYnVmX21hcF9hdHRhY2htZW50X2xvY2tlZChzdHJ1Y3QgZG1hX2J1 Zl9hdHRhY2htZW50ICphdHRhY2gsCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIGVudW0gZG1hX2RhdGFfZGlyZWN0aW9uIGRpcmVjdGlvbikKPj4gK3sKPj4gK8KgwqDCoCBz dHJ1Y3Qgc2dfdGFibGUgKnNnX3RhYmxlOwo+PiArCj4KPiBQZXJoYXBzIGJldHRlciB0byBhZGQg c29tZSBlcnJvciBjaGVjaywgbGlrZSBkbWFfYnVmX21hcF9hdHRhY2htZW50KCkKPgo+IFdBUk5f T04oIWF0dGFjaCB8fCAhYXR0YWNoLT5kbWFidWYpCgpBY3R1YWxseSBJIHdhbnRlZCB0byByZW1v dmUgdGhvc2UgZnJvbSB0aGUgb3RoZXIgZnVuY3Rpb25zIGFzIHdlbGwuCgpXQVJOX09OIGFuZCBC VUdfT04gY2hlY2tzIGZvciBOVUxMIHBvaW50ZXJzIGJlZm9yZSB1c2luZyB0aGVtIGFyZSAKdG90 YWxseSBwb2ludGxlc3MgYmVjYXVzZSB0aGV5IGhhdmUgdGhlIHNhbWUgZWZmZWN0IGFzIGEgY3Jh c2guCgpSZWdhcmRzLApDaHJpc3RpYW4uCgo+Cj4gQXBhcnQgZnJvbSB0aGF0LCBpdCdzCj4gUmV2 aWV3ZWQtYnk6IEp1bndlaSBaaGFuZyA8SmVycnkuWmhhbmdAYW1kLmNvbT4KPgo+IEplcnJ5Cj4K Pj4gK8KgwqDCoCBtaWdodF9zbGVlcCgpOwo+PiArwqDCoMKgIHJlc2VydmF0aW9uX29iamVjdF9h c3NlcnRfaGVsZChhdHRhY2gtPmRtYWJ1Zi0+cmVzdik7Cj4+ICsKPj4gK8KgwqDCoCBzZ190YWJs ZSA9IGF0dGFjaC0+ZG1hYnVmLT5vcHMtPm1hcF9kbWFfYnVmKGF0dGFjaCwgZGlyZWN0aW9uKTsK Pj4gK8KgwqDCoCBpZiAoIXNnX3RhYmxlKQo+PiArwqDCoMKgwqDCoMKgwqAgc2dfdGFibGUgPSBF UlJfUFRSKC1FTk9NRU0pOwo+PiArCj4+ICvCoMKgwqAgcmV0dXJuIHNnX3RhYmxlOwo+PiArfQo+ PiArRVhQT1JUX1NZTUJPTF9HUEwoZG1hX2J1Zl9tYXBfYXR0YWNobWVudF9sb2NrZWQpOwo+PiAr Cj4+IMKgIC8qKgo+PiDCoMKgICogZG1hX2J1Zl9tYXBfYXR0YWNobWVudCAtIFJldHVybnMgdGhl IHNjYXR0ZXJsaXN0IHRhYmxlIG9mIHRoZSAKPj4gYXR0YWNobWVudDsKPj4gwqDCoCAqIG1hcHBl ZCBpbnRvIF9kZXZpY2VfIGFkZHJlc3Mgc3BhY2UuIElzIGEgd3JhcHBlciBmb3IgCj4+IG1hcF9k bWFfYnVmKCkgb2YgdGhlCj4+IEBAIC02MzksNiArNjczLDI5IEBAIHN0cnVjdCBzZ190YWJsZSAq ZG1hX2J1Zl9tYXBfYXR0YWNobWVudChzdHJ1Y3QgCj4+IGRtYV9idWZfYXR0YWNobWVudCAqYXR0 YWNoLAo+PiDCoCB9Cj4+IMKgIEVYUE9SVF9TWU1CT0xfR1BMKGRtYV9idWZfbWFwX2F0dGFjaG1l bnQpOwo+Pgo+PiArLyoqCj4+ICsgKiBkbWFfYnVmX3VubWFwX2F0dGFjaG1lbnRfbG9ja2VkIC0g dW5tYXBzIHRoZSBidWZmZXIgd2l0aCAKPj4gcmVzZXJ2YXRpb24gbG9jawo+PiArICogaGVsZCwg c2hvdWxkIGRlYWxsb2NhdGUgdGhlIGFzc29jaWF0ZWQgc2NhdHRlcmxpc3QuIElzIGEgd3JhcHBl ciBmb3IKPj4gKyAqIHVubWFwX2RtYV9idWYoKSBvZiBkbWFfYnVmX29wcy4KPj4gKyAqIEBhdHRh Y2g6wqDCoMKgIFtpbl3CoMKgwqAgYXR0YWNobWVudCB0byB1bm1hcCBidWZmZXIgZnJvbQo+PiAr ICogQHNnX3RhYmxlOsKgwqDCoCBbaW5dwqDCoMKgIHNjYXR0ZXJsaXN0IGluZm8gb2YgdGhlIGJ1 ZmZlciB0byB1bm1hcAo+PiArICogQGRpcmVjdGlvbjrCoCBbaW5dwqDCoMKgIGRpcmVjdGlvbiBv ZiBETUEgdHJhbnNmZXIKPj4gKyAqCj4+ICsgKiBUaGlzIHVubWFwcyBhIERNQSBtYXBwaW5nIGZv ciBAYXR0YWNoZWQgb2J0YWluZWQgYnkKPj4gKyAqIGRtYV9idWZfbWFwX2F0dGFjaG1lbnRfbG9j a2VkKCkuCj4+ICsgKi8KPj4gK3ZvaWQgZG1hX2J1Zl91bm1hcF9hdHRhY2htZW50X2xvY2tlZChz dHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50ICphdHRhY2gsCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgIHN0cnVjdCBzZ190YWJsZSAqc2dfdGFibGUsCj4+ICvCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGVudW0gZG1hX2RhdGFfZGlyZWN0 aW9uIGRpcmVjdGlvbikKPj4gK3sKPj4gK8KgwqDCoCBtaWdodF9zbGVlcCgpOwo+PiArwqDCoMKg IHJlc2VydmF0aW9uX29iamVjdF9hc3NlcnRfaGVsZChhdHRhY2gtPmRtYWJ1Zi0+cmVzdik7Cj4+ ICsKPj4gK8KgwqDCoCBhdHRhY2gtPmRtYWJ1Zi0+b3BzLT51bm1hcF9kbWFfYnVmKGF0dGFjaCwg c2dfdGFibGUsCj4+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgIGRpcmVjdGlvbik7Cj4+ICt9Cj4+ICtFWFBPUlRfU1lNQk9MX0dQTChkbWFfYnVmX3VubWFw X2F0dGFjaG1lbnRfbG9ja2VkKTsKPj4gKwo+PiDCoCAvKioKPj4gwqDCoCAqIGRtYV9idWZfdW5t YXBfYXR0YWNobWVudCAtIHVubWFwcyBhbmQgZGVjcmVhc2VzIHVzZWNvdW50IG9mIHRoZSAKPj4g YnVmZmVyO21pZ2h0Cj4+IMKgwqAgKiBkZWFsbG9jYXRlIHRoZSBzY2F0dGVybGlzdCBhc3NvY2lh dGVkLiBJcyBhIHdyYXBwZXIgZm9yIAo+PiB1bm1hcF9kbWFfYnVmKCkgb2YKPj4gZGlmZiAtLWdp dCBhL2luY2x1ZGUvbGludXgvZG1hLWJ1Zi5oIGIvaW5jbHVkZS9saW51eC9kbWEtYnVmLmgKPj4g aW5kZXggOTkxNzg3YTAzMTk5Li5hMjVlNzU0YWUyZjcgMTAwNjQ0Cj4+IC0tLSBhL2luY2x1ZGUv bGludXgvZG1hLWJ1Zi5oCj4+ICsrKyBiL2luY2x1ZGUvbGludXgvZG1hLWJ1Zi5oCj4+IEBAIC0z ODQsOCArMzg0LDEzIEBAIGludCBkbWFfYnVmX2ZkKHN0cnVjdCBkbWFfYnVmICpkbWFidWYsIGlu dCBmbGFncyk7Cj4+IMKgIHN0cnVjdCBkbWFfYnVmICpkbWFfYnVmX2dldChpbnQgZmQpOwo+PiDC oCB2b2lkIGRtYV9idWZfcHV0KHN0cnVjdCBkbWFfYnVmICpkbWFidWYpOwo+Pgo+PiArc3RydWN0 IHNnX3RhYmxlICpkbWFfYnVmX21hcF9hdHRhY2htZW50X2xvY2tlZChzdHJ1Y3QgCj4+IGRtYV9i dWZfYXR0YWNobWVudCAqLAo+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoCBlbnVtIGRtYV9kYXRhX2RpcmVjdGlvbik7Cj4+IMKgIHN0cnVjdCBz Z190YWJsZSAqZG1hX2J1Zl9tYXBfYXR0YWNobWVudChzdHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50 ICosCj4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBlbnVtIGRt YV9kYXRhX2RpcmVjdGlvbik7Cj4+ICt2b2lkIGRtYV9idWZfdW5tYXBfYXR0YWNobWVudF9sb2Nr ZWQoc3RydWN0IGRtYV9idWZfYXR0YWNobWVudCAqLAo+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCBzdHJ1Y3Qgc2dfdGFibGUgKiwKPj4gK8KgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgZW51bSBkbWFfZGF0YV9kaXJlY3Rpb24pOwo+PiDC oCB2b2lkIGRtYV9idWZfdW5tYXBfYXR0YWNobWVudChzdHJ1Y3QgZG1hX2J1Zl9hdHRhY2htZW50 ICosIHN0cnVjdCAKPj4gc2dfdGFibGUgKiwKPj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBlbnVtIGRtYV9kYXRhX2RpcmVjdGlvbik7Cj4+IMKgIGludCBkbWFfYnVmX2JlZ2lu X2NwdV9hY2Nlc3Moc3RydWN0IGRtYV9idWYgKmRtYV9idWYsCj4+CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK