From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 07/12] drm/i915/gvt: Hold a reference on the request Date: Wed, 19 Oct 2016 11:53:22 +0100 Message-ID: <20161019105322.GO29358@nuc-i3427.alporthouse.com> References: <20161019101147.17342-1-chris@chris-wilson.co.uk> <20161019101147.17342-8-chris@chris-wilson.co.uk> <20161019103254.m37mlmfyk6de2zcc@zhen-hp.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3DEC16E8CA for ; Wed, 19 Oct 2016 10:53:27 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20161019103254.m37mlmfyk6de2zcc@zhen-hp.sh.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Zhenyu Wang Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBPY3QgMTksIDIwMTYgYXQgMDY6MzI6NTRQTSArMDgwMCwgWmhlbnl1IFdhbmcgd3Jv dGU6Cj4gT24gMjAxNi4xMC4xOSAxMToxMTo0MiArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ ID4gVGhlIHdvcmtsb2FkIHRvb2sgYSBwb2ludGVyIHRvIHRoZSByZXF1ZXN0LCBhbmQgZXZlbiB3 YWl0ZWQgdXBvbiwKPiA+IHdpdGhvdXQgaG9sZGluZyBhIHJlZmVyZW5jZSBvbiB0aGUgcmVxdWVz dC4gVGFrZSB0aGF0IHJlZmVyZW5jZQo+ID4gZXhwbGljaXRseSBhbmQgZml4IHVwIHRoZSBlcnJv ciBwYXRoIGZvbGxvd2luZyByZXF1ZXN0IGFsbG9jYXRpb24gdGhhdAo+ID4gbWlzc2VkIGZsdXNo aW5nIHRoZSByZXF1ZXN0Lgo+ID4gCj4gPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNo cmlzQGNocmlzLXdpbHNvbi5jby51az4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2d2dC9zY2hlZHVsZXIuYyB8IDI0ICsrKysrKysrKysrKystLS0tLS0tLS0tLQo+ID4gIDEgZmls ZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAxMSBkZWxldGlvbnMoLSkKPiA+IAo+ID4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d2dC9zY2hlZHVsZXIuYyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2d2dC9zY2hlZHVsZXIuYwo+ID4gaW5kZXggYjE1Y2RmNTk3OGE5Li4yMjRm MTlhZTYxYWIgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9ndnQvc2NoZWR1 bGVyLmMKPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d2dC9zY2hlZHVsZXIuYwo+ID4g QEAgLTE2Myw2ICsxNjMsNyBAQCBzdGF0aWMgaW50IGRpc3BhdGNoX3dvcmtsb2FkKHN0cnVjdCBp bnRlbF92Z3B1X3dvcmtsb2FkICp3b3JrbG9hZCkKPiA+ICAJaW50IHJpbmdfaWQgPSB3b3JrbG9h ZC0+cmluZ19pZDsKPiA+ICAJc3RydWN0IGk5MTVfZ2VtX2NvbnRleHQgKnNoYWRvd19jdHggPSB3 b3JrbG9hZC0+dmdwdS0+c2hhZG93X2N0eDsKPiA+ICAJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUg KmRldl9wcml2ID0gd29ya2xvYWQtPnZncHUtPmd2dC0+ZGV2X3ByaXY7Cj4gPiArCXN0cnVjdCBk cm1faTkxNV9nZW1fcmVxdWVzdCAqcnE7Cj4gPiAgCWludCByZXQ7Cj4gPiAgCj4gPiAgCWd2dF9k Ymdfc2NoZWQoInJpbmcgaWQgJWQgcHJlcGFyZSB0byBkaXNwYXRjaCB3b3JrbG9hZCAlcFxuIiwK PiA+IEBAIC0xNzEsMTcgKzE3MiwxNiBAQCBzdGF0aWMgaW50IGRpc3BhdGNoX3dvcmtsb2FkKHN0 cnVjdCBpbnRlbF92Z3B1X3dvcmtsb2FkICp3b3JrbG9hZCkKPiA+ICAJc2hhZG93X2N0eC0+ZGVz Y190ZW1wbGF0ZSA9IHdvcmtsb2FkLT5jdHhfZGVzYy5hZGRyZXNzaW5nX21vZGUgPDwKPiA+ICAJ CQkJICAgIEdFTjhfQ1RYX0FERFJFU1NJTkdfTU9ERV9TSElGVDsKPiA+ICAKPiA+IC0Jd29ya2xv YWQtPnJlcSA9IGk5MTVfZ2VtX3JlcXVlc3RfYWxsb2MoZGV2X3ByaXYtPmVuZ2luZVtyaW5nX2lk XSwKPiA+IC0JCQkJCSAgICAgICBzaGFkb3dfY3R4KTsKPiA+IC0JaWYgKElTX0VSUl9PUl9OVUxM KHdvcmtsb2FkLT5yZXEpKSB7Cj4gPiArCXJxID0gaTkxNV9nZW1fcmVxdWVzdF9hbGxvYyhkZXZf cHJpdi0+ZW5naW5lW3JpbmdfaWRdLCBzaGFkb3dfY3R4KTsKPiA+ICsJaWYgKElTX0VSUihycSkp IHsKPiA+ICAJCWd2dF9lcnIoImZhaWwgdG8gYWxsb2NhdGUgZ2VtIHJlcXVlc3RcbiIpOwo+ID4g LQkJd29ya2xvYWQtPnN0YXR1cyA9IFBUUl9FUlIod29ya2xvYWQtPnJlcSk7Cj4gPiAtCQl3b3Jr bG9hZC0+cmVxID0gTlVMTDsKPiA+ICsJCXdvcmtsb2FkLT5zdGF0dXMgPSBQVFJfRVJSKHJxKTsK PiA+ICAJCXJldHVybiB3b3JrbG9hZC0+c3RhdHVzOwo+ID4gIAl9Cj4gPiAgCj4gPiAtCWd2dF9k Ymdfc2NoZWQoInJpbmcgaWQgJWQgZ2V0IGk5MTUgZ2VtIHJlcXVlc3QgJXBcbiIsCj4gPiAtCQkJ cmluZ19pZCwgd29ya2xvYWQtPnJlcSk7Cj4gPiArCWd2dF9kYmdfc2NoZWQoInJpbmcgaWQgJWQg Z2V0IGk5MTUgZ2VtIHJlcXVlc3QgJXBcbiIsIHJpbmdfaWQsIHJxKTsKPiA+ICsKPiA+ICsJd29y a2xvYWQtPnJlcSA9IGk5MTVfZ2VtX3JlcXVlc3RfZ2V0KHJxKTsKPiA+ICAKPiA+ICAJbXV0ZXhf bG9jaygmZ3Z0LT5sb2NrKTsKPiA+ICAKPiA+IEBAIC0yMDgsMTYgKzIwOCwxNiBAQCBzdGF0aWMg aW50IGRpc3BhdGNoX3dvcmtsb2FkKHN0cnVjdCBpbnRlbF92Z3B1X3dvcmtsb2FkICp3b3JrbG9h ZCkKPiA+ICAJZ3Z0X2RiZ19zY2hlZCgicmluZyBpZCAlZCBzdWJtaXQgd29ya2xvYWQgdG8gaTkx NSAlcFxuIiwKPiA+ICAJCQlyaW5nX2lkLCB3b3JrbG9hZC0+cmVxKTsKPiA+ICAKPiA+IC0JaTkx NV9hZGRfcmVxdWVzdF9ub19mbHVzaCh3b3JrbG9hZC0+cmVxKTsKPiA+IC0KPiA+ICsJaTkxNV9h ZGRfcmVxdWVzdF9ub19mbHVzaChycSk7Cj4gPiAgCXdvcmtsb2FkLT5kaXNwYXRjaGVkID0gdHJ1 ZTsKPiA+ICAJcmV0dXJuIDA7Cj4gPiAgZXJyOgo+ID4gIAl3b3JrbG9hZC0+c3RhdHVzID0gcmV0 Owo+ID4gLQlpZiAod29ya2xvYWQtPnJlcSkKPiA+IC0JCXdvcmtsb2FkLT5yZXEgPSBOVUxMOwo+ ID4gKwlpOTE1X2dlbV9yZXF1ZXN0X3B1dChmZXRjaF9hbmRfemVybygmd29ya2xvYWQtPnJlcSkp Owo+ID4gIAo+ID4gIAltdXRleF91bmxvY2soJmd2dC0+bG9jayk7Cj4gCj4gTWlnaHQgbm90IG5l ZWQgdG8gaG9sZCBndnQtPmxvY2sgd2hlbiBwdXQgcmVxdWVzdD8KCkkgd2FzIGp1c3QgdXBkYXRp bmcgdGhlIGN1cnJlbnQgd29ya2xvZC0+cmVxID0gTlVMTCB3aGljaCB3YXMgdW5kZXIgdGhlCmxv Y2ssIHVzaW5nIHRoZSBzYW1lIGNvZGUgYXMgbGF0ZXIuIFlvdSBjYW4gZHJvcCBpOTE1X2dlbV9y ZXF1ZXN0X3B1dChycSkKYWZ0ZXJ3YXJkcyB3aGljaCBpcyB3aGF0IEkgZGlkIGF0IGZpcnN0LCBi ZWZvcmUgZGVjaWRpbmcgdXNpbmcgdGhlIHNhbWUKc3R5bGUgZm9yIGJvdGggd2FzIG5pY2VyLgoK PiA+ICsKPiA+ICsJaTkxNV9hZGRfcmVxdWVzdF9ub19mbHVzaChycSk7Cj4gCj4gV2h5IHN0aWxs IGFkZCByZXF1ZXN0IGluIGVycm9yIHBhdGg/CgpUaGUgcmVxdWVzdCBtYXkgaGF2ZSBjaGFuZ2Vk IGdsb2JhbCBzdGF0ZSB3aGljaCBpcyBub3cgYXNzb2NpYXRlZCB3aXRoCnRoZSByZXF1ZXN0LiBZ b3UgaGF2ZSB0byBwYXNzIGl0IGJhY2sgdXBvbiBjb21wbGV0aW9uLCB3aGV0aGVyIG9yIG5vdAp5 b3UgaGF2ZSBhZGRlZCB5b3VyIG93biB3b3JrbG9hZCB0byB0aGUgcmVxdWVzdC4KLUNocmlzCgot LSAKQ2hyaXMgV2lsc29uLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRyZQpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK