From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/2] drm/syncobj: Mark up the fence as an RCU protected pointer Date: Fri, 1 Sep 2017 19:27:29 +0300 Message-ID: <20170901162729.GA4914@intel.com> References: <20170901145707.21309-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20170901145707.21309-1-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: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBTZXAgMDEsIDIwMTcgYXQgMDM6NTc6MDZQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFdlIHRha2UgYWR2YW50YWdlIG9mIHRoYXQgc3luY29iai0+ZmVuY2UgaXMgYW4gUkNV LXByb3RlY3RlZCBwb2ludGVyLCBhbmQKPiBzbyBzcGFyc2UgY29tcGxhaW5zIHRoYXQgaXQgaXMg bGFja2luZyBhbm5vdGF0aW9uLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hy aXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IC0tLQo+ICBpbmNsdWRlL2RybS9kcm1fc3luY29iai5o IHwgMiArLQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkK PiAKPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9kcm0vZHJtX3N5bmNvYmouaCBiL2luY2x1ZGUvZHJt L2RybV9zeW5jb2JqLmgKPiBpbmRleCBjMDBmZWU1Mzk4MjIuLjQ1NTY2MDY3MzI1OSAxMDA2NDQK PiAtLS0gYS9pbmNsdWRlL2RybS9kcm1fc3luY29iai5oCj4gKysrIGIvaW5jbHVkZS9kcm0vZHJt X3N5bmNvYmouaAo+IEBAIC00OSw3ICs0OSw3IEBAIHN0cnVjdCBkcm1fc3luY29iaiB7Cj4gIAkg KiBUaGlzIGZpZWxkIHNob3VsZCBub3QgYmUgdXNlZCBkaXJlY3RseS4gIFVzZSBkcm1fc3luY29i al9mZW5jZV9nZXQKPiAgCSAqIGFuZCBkcm1fc3luY29ial9yZXBsYWNlX2ZlbmNlIGluc3RlYWQu Cj4gIAkgKi8KPiAtCXN0cnVjdCBkbWFfZmVuY2UgKmZlbmNlOwo+ICsJc3RydWN0IGRtYV9mZW5j ZSBfX3JjdSAqZmVuY2U7Cgpkcm1fc3luY29iai5jIHVzZXMgdGhhdCBwb2ludGVyIGRpcmVjdGx5 IHF1aXRlIGEgYml0IHdoaWNoIHNlZW1zIHRvCmdlbmVyYXRlIG1vcmUgc3BhcnNlIHdhcm5pbmdz LgoKV291bGQgc29tZXRoaW5nIGxpa2UgdGhpcyBiZSBuZWVkZWQgKGp1c3QgdHlwaW5nIHN0dWZm IGJsaW5kbHkgaGVyZSk/CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2Jq LmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX3N5bmNvYmouYwppbmRleCAwNDIyYjhjMmMyZTcuLjE3 ODY3ODdlY2MzMCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2JqLmMKKysr IGIvZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2JqLmMKQEAgLTEwNiw3ICsxMDYsOCBAQCBzdGF0 aWMgaW50IGRybV9zeW5jb2JqX2ZlbmNlX2dldF9vcl9hZGRfY2FsbGJhY2soc3RydWN0IGRybV9z eW5jb2JqICpzeW5jb2JqLAogCSAqIGNhbGxiYWNrIHdoZW4gYSBmZW5jZSBoYXMgYWxyZWFkeSBi ZWVuIHNldC4KIAkgKi8KIAlpZiAoc3luY29iai0+ZmVuY2UpIHsKLQkJKmZlbmNlID0gZG1hX2Zl bmNlX2dldChzeW5jb2JqLT5mZW5jZSk7CisJCSpmZW5jZSA9IGRtYV9mZW5jZV9nZXQocmN1X2Rl cmVmZXJlbmNlX3Byb3RlY3RlZChzeW5jb2JqLT5mZW5jZSwKKwkJCQkJCQkJIGxvY2tkZXBfaXNf aGVsZCgmc3luY29iai0+bG9jaykpKTsKIAkJcmV0ID0gMTsKIAl9IGVsc2UgewogCQkqZmVuY2Ug PSBOVUxMOwpAQCAtMTY4LDggKzE2OSw5IEBAIHZvaWQgZHJtX3N5bmNvYmpfcmVwbGFjZV9mZW5j ZShzdHJ1Y3QgZHJtX3N5bmNvYmogKnN5bmNvYmosCiAKIAlzcGluX2xvY2soJnN5bmNvYmotPmxv Y2spOwogCi0Jb2xkX2ZlbmNlID0gc3luY29iai0+ZmVuY2U7Ci0Jc3luY29iai0+ZmVuY2UgPSBm ZW5jZTsKKwlvbGRfZmVuY2UgPSByY3VfZGVyZWZlcmVuY2VfcHJvdGVjdGVkKHN5bmNvYmotPmZl bmNlLAorCQkJCQkgICAgICBsb2NrZGVwX2lzX2hlbGQoJnN5bmNvYmotPmxvY2spKTsKKwlyY3Vf YXNzaWduX3BvaW50ZXIoc3luY29iai0+ZmVuY2UsIGZlbmNlKTsKIAogCWlmIChmZW5jZSAhPSBv bGRfZmVuY2UpIHsKIAkJbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZlKGN1ciwgdG1wLCAmc3luY29i ai0+Y2JfbGlzdCwgbm9kZSkgewpAQCAtNjEzLDcgKzYxNSw4IEBAIHN0YXRpYyB2b2lkIHN5bmNv Ympfd2FpdF9zeW5jb2JqX2Z1bmMoc3RydWN0IGRybV9zeW5jb2JqICpzeW5jb2JqLAogCQljb250 YWluZXJfb2YoY2IsIHN0cnVjdCBzeW5jb2JqX3dhaXRfZW50cnksIHN5bmNvYmpfY2IpOwogCiAJ LyogVGhpcyBoYXBwZW5zIGluc2lkZSB0aGUgc3luY29iaiBsb2NrICovCi0Jd2FpdC0+ZmVuY2Ug PSBkbWFfZmVuY2VfZ2V0KHN5bmNvYmotPmZlbmNlKTsKKwl3YWl0LT5mZW5jZSA9IGRtYV9mZW5j ZV9nZXQocmN1X2RlcmVmZXJlbmNlX3Byb3RlY3RlZChzeW5jb2JqLT5mZW5jZSwKKwkJCQkJCQkg ICAgICBsb2NrZGVwX2lzX2hlbGQoJnN5bmNvYmotPmxvY2spKSk7CiAJd2FrZV91cF9wcm9jZXNz KHdhaXQtPnRhc2spOwogfQogCi0tIApWaWxsZSBTeXJqw6Rsw6QKSW50ZWwgT1RDCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=