From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2] drm: Release driver references to handle before making it available again Date: Mon, 11 Jan 2016 19:51:03 +0200 Message-ID: <20160111175103.GI23290@intel.com> References: <1452284707-16639-1-git-send-email-chris@chris-wilson.co.uk> <1452295625-17520-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id A06CC6E236 for ; Mon, 11 Jan 2016 09:51:08 -0800 (PST) Content-Disposition: inline In-Reply-To: <1452295625-17520-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Chris Wilson Cc: Daniel Vetter , Thierry Reding , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCBKYW4gMDgsIDIwMTYgYXQgMTE6Mjc6MDVQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IFdoZW4gdXNlcnNwYWNlIGNsb3NlcyBhIGhhbmRsZSwgd2UgcmVtb3ZlIGl0IGZyb20g dGhlIGZpbGUtPm9iamVjdF9pZHIKPiBhbmQgdGhlbiB0ZWxsIHRoZSBkcml2ZXIgdG8gZHJvcCBp dHMgcmVmZXJlbmNlcyB0byB0aGF0IGZpbGUvaGFuZGxlLgo+IEhvd2V2ZXIsIGFzIHRoZSBmaWxl L2hhbmRsZSBpcyBhbHJlYWR5IGF2YWlsYWJsZSBhZ2FpbiBmb3IgcmV1c2UsIGl0IG1heQo+IGJl IHJlYWxsb2NhdGVkIGJhY2sgdG8gdXNlcnNwYWNlIGFuZCBhY3RpdmUgb24gYSBuZXcgb2JqZWN0 IGJlZm9yZSB0aGUKPiBkcml2ZXIgaGFzIGhhZCBhIGNoYW5jZSB0byBkcm9wIHRoZSBvbGQgZmls ZS9oYW5kbGUgcmVmZXJlbmNlcy4KCkhtbS4gV2hhdCdzIHRoZSBwcm9ibGVtIHdpdGggYW5vdGhl ciBvYmplY3Qgc3RhcnRpbmcgdG8gcmV1c2UgdGhlIHNhbWUKaGFuZGxlIHdoaWxlIHdlJ3JlIHN0 aWxsIGRlbGV0aW5nIHRoZSBvbGQgb25lPyBTbyBmYXIgSSBkaWRuJ3Qgc3BvdAphbnl0aGluZyBp biB0aGUgY29kZSB0aGF0IHdvdWxkIGdvIGJvb20gaWYgdGhlcmUncyBhbm90aGVyIG9iamVjdAph bHJlYWR5IGFyb3VuZCB3aXRoIHRoZSBzYW1lIGhhbmRsZS4KCj4gCj4gV2hpbHN0IGNhbGxpbmcg YmFjayBpbnRvIHRoZSBkcml2ZXIsIHdlIGhhdmUgdG8gZHJvcCB0aGUKPiBmaWxlLT50YWJsZV9s b2NrIHNwaW5sb2NrIGFuZCBzbyB0byBwcmV2ZW50IHJldXNpbmcgdGhlIGNsb3NlZCBoYW5kbGUg d2UKPiBtYXJrIHRoYXQgaGFuZGxlIGFzIHN0YWxlIGluIHRoZSBpZHIsIHBlcmZvcm0gdGhlIGNh bGxiYWNrIGFuZCB0aGVuCj4gcmVtb3ZlIHRoZSBoYW5kbGUuIFdlIHNldCB0aGUgc3RhbGUgaGFu ZGxlIHRvIHBvaW50IHRvIHRoZSBOVUxMIG9iamVjdCwKPiB0aGVuIGFueSBpZHJfZmluZCgpIHdo aWxzdCB0aGUgZHJpdmVyIGlzIHJlbW92aW5nIHRoZSBoYW5kbGUgd2lsbCByZXR1cm4KPiBOVUxM LCBqdXN0IGFzIGlmIHRoZSBoYW5kbGUgaXMgYWxyZWFkeSByZW1vdmVkIGZyb20gaWRyLgo+IAo+ IHYyOiBVc2UgTlVMTCByYXRoZXIgdGhhbiBhbiBFUlJfUFRSIHRvIGF2b2lkIGhhdmluZyB0byBh ZGp1c3QgY2FsbGVycy4KPiBpZHJfYWxsb2MoKSB0cmFja3MgZXhpc3RpbmcgaGFuZGxlcyB1c2lu ZyBhbiBpbnRlcm5hbCBiaXRtYXAsIHNvIHdlIGFyZQo+IGZyZWUgdG8gdXNlIHRoZSBOVUxMIG9i amVjdCBhcyBvdXIgc3RhbGUgaWRlbnRpZmllci4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBX aWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBDYzogZHJpLWRldmVsQGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwo+IENjOiBEYXZpZCBBaXJsaWUgPGFpcmxpZWRAbGludXguaWU+Cj4gQ2M6 IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAaW50ZWwuY29tPgo+IENjOiBSb2IgQ2xhcmsg PHJvYmRjbGFya0BnbWFpbC5jb20+Cj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFs YUBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IFRoaWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5j b20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZ2VtLmMgfCA5ICsrKysrKy0tLQo+ICAx IGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2dlbS5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9n ZW0uYwo+IGluZGV4IDJlOGM3N2U3MWUxZi4uZDE5MDlkMWExZWI0IDEwMDY0NAo+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9kcm1fZ2VtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2dlbS5j Cj4gQEAgLTI5NCwxOCArMjk0LDIxIEBAIGRybV9nZW1faGFuZGxlX2RlbGV0ZShzdHJ1Y3QgZHJt X2ZpbGUgKmZpbHAsIHUzMiBoYW5kbGUpCj4gIAlzcGluX2xvY2soJmZpbHAtPnRhYmxlX2xvY2sp Owo+ICAKPiAgCS8qIENoZWNrIGlmIHdlIGN1cnJlbnRseSBoYXZlIGEgcmVmZXJlbmNlIG9uIHRo ZSBvYmplY3QgKi8KPiAtCW9iaiA9IGlkcl9maW5kKCZmaWxwLT5vYmplY3RfaWRyLCBoYW5kbGUp Owo+IC0JaWYgKG9iaiA9PSBOVUxMKSB7Cj4gKwlvYmogPSBpZHJfcmVwbGFjZSgmZmlscC0+b2Jq ZWN0X2lkciwgTlVMTCwgaGFuZGxlKTsKPiArCWlmIChJU19FUlIob2JqKSkgewo+ICAJCXNwaW5f dW5sb2NrKCZmaWxwLT50YWJsZV9sb2NrKTsKPiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAgCX0KPiAg CWRldiA9IG9iai0+ZGV2Owo+ICsJc3Bpbl91bmxvY2soJmZpbHAtPnRhYmxlX2xvY2spOwo+ICAK PiAgCS8qIFJlbGVhc2UgcmVmZXJlbmNlIGFuZCBkZWNyZW1lbnQgcmVmY291bnQuICovCj4gKwlk cm1fZ2VtX29iamVjdF9yZWxlYXNlX2hhbmRsZShoYW5kbGUsIG9iaiwgZmlscCk7Cj4gKwo+ICsJ c3Bpbl9sb2NrKCZmaWxwLT50YWJsZV9sb2NrKTsKPiAgCWlkcl9yZW1vdmUoJmZpbHAtPm9iamVj dF9pZHIsIGhhbmRsZSk7Cj4gIAlzcGluX3VubG9jaygmZmlscC0+dGFibGVfbG9jayk7Cj4gIAo+ IC0JZHJtX2dlbV9vYmplY3RfcmVsZWFzZV9oYW5kbGUoaGFuZGxlLCBvYmosIGZpbHApOwo+ICAJ cmV0dXJuIDA7Cj4gIH0KPiAgRVhQT1JUX1NZTUJPTChkcm1fZ2VtX2hhbmRsZV9kZWxldGUpOwo+ IC0tIAo+IDIuNy4wLnJjMwoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRlbCBPVEMKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcg bGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK