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: Tue, 12 Jan 2016 12:19:12 +0200 Message-ID: <20160112101912.GQ23290@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 mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 33CE46E2B8 for ; Tue, 12 Jan 2016 02:19:19 -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 ZS9oYW5kbGUgcmVmZXJlbmNlcy4KPiAKPiBXaGlsc3QgY2FsbGluZyBiYWNrIGludG8gdGhlIGRy aXZlciwgd2UgaGF2ZSB0byBkcm9wIHRoZQo+IGZpbGUtPnRhYmxlX2xvY2sgc3BpbmxvY2sgYW5k IHNvIHRvIHByZXZlbnQgcmV1c2luZyB0aGUgY2xvc2VkIGhhbmRsZSB3ZQo+IG1hcmsgdGhhdCBo YW5kbGUgYXMgc3RhbGUgaW4gdGhlIGlkciwgcGVyZm9ybSB0aGUgY2FsbGJhY2sgYW5kIHRoZW4K PiByZW1vdmUgdGhlIGhhbmRsZS4gV2Ugc2V0IHRoZSBzdGFsZSBoYW5kbGUgdG8gcG9pbnQgdG8g dGhlIE5VTEwgb2JqZWN0LAo+IHRoZW4gYW55IGlkcl9maW5kKCkgd2hpbHN0IHRoZSBkcml2ZXIg aXMgcmVtb3ZpbmcgdGhlIGhhbmRsZSB3aWxsIHJldHVybgo+IE5VTEwsIGp1c3QgYXMgaWYgdGhl IGhhbmRsZSBpcyBhbHJlYWR5IHJlbW92ZWQgZnJvbSBpZHIuCj4gCj4gdjI6IFVzZSBOVUxMIHJh dGhlciB0aGFuIGFuIEVSUl9QVFIgdG8gYXZvaWQgaGF2aW5nIHRvIGFkanVzdCBjYWxsZXJzLgo+ IGlkcl9hbGxvYygpIHRyYWNrcyBleGlzdGluZyBoYW5kbGVzIHVzaW5nIGFuIGludGVybmFsIGJp dG1hcCwgc28gd2UgYXJlCj4gZnJlZSB0byB1c2UgdGhlIE5VTEwgb2JqZWN0IGFzIG91ciBzdGFs ZSBpZGVudGlmaWVyLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hy aXMtd2lsc29uLmNvLnVrPgo+IENjOiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4g Q2M6IERhdmlkIEFpcmxpZSA8YWlybGllZEBsaW51eC5pZT4KPiBDYzogRGFuaWVsIFZldHRlciA8 ZGFuaWVsLnZldHRlckBpbnRlbC5jb20+Cj4gQ2M6IFJvYiBDbGFyayA8cm9iZGNsYXJrQGdtYWls LmNvbT4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNv bT4KPiBDYzogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KPiAtLS0KPiAgZHJp dmVycy9ncHUvZHJtL2RybV9nZW0uYyB8IDkgKysrKysrLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCA2 IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9kcm1fZ2VtLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2dlbS5jCj4gaW5kZXggMmU4 Yzc3ZTcxZTFmLi5kMTkwOWQxYTFlYjQgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2Ry bV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZ2VtLmMKPiBAQCAtMjk0LDE4ICsy OTQsMjEgQEAgZHJtX2dlbV9oYW5kbGVfZGVsZXRlKHN0cnVjdCBkcm1fZmlsZSAqZmlscCwgdTMy IGhhbmRsZSkKPiAgCXNwaW5fbG9jaygmZmlscC0+dGFibGVfbG9jayk7Cj4gIAo+ICAJLyogQ2hl Y2sgaWYgd2UgY3VycmVudGx5IGhhdmUgYSByZWZlcmVuY2Ugb24gdGhlIG9iamVjdCAqLwo+IC0J b2JqID0gaWRyX2ZpbmQoJmZpbHAtPm9iamVjdF9pZHIsIGhhbmRsZSk7Cj4gLQlpZiAob2JqID09 IE5VTEwpIHsKPiArCW9iaiA9IGlkcl9yZXBsYWNlKCZmaWxwLT5vYmplY3RfaWRyLCBOVUxMLCBo YW5kbGUpOwo+ICsJaWYgKElTX0VSUihvYmopKSB7Cj4gIAkJc3Bpbl91bmxvY2soJmZpbHAtPnRh YmxlX2xvY2spOwo+ICAJCXJldHVybiAtRUlOVkFMOwo+ICAJfQo+ICAJZGV2ID0gb2JqLT5kZXY7 Cj4gKwlzcGluX3VubG9jaygmZmlscC0+dGFibGVfbG9jayk7CgpDb3VsZCBzaHJpbmsgdGhlIHNw aW5sb2NrZWQgc2VjdGlvbiB0byBiZSBqdXN0IHRoZSBpZHJfcmVwbGFjZSgpCmNhbGwgSSBzdXBw b3NlLCBhbmQgdGh1cyBhdm9pZCB0aGUgc3Bpbl91bmxvY2soKSBpbiB0aGUgZXJyb3IgcGF0aC4K Ck90aGVyd2lzZSBtYWtlcyBzZW5zZSBzbwpSZXZpZXdlZC1ieTogVmlsbGUgU3lyasOkbMOkIDx2 aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KCj4gIAo+ICAJLyogUmVsZWFzZSByZWZlcmVu Y2UgYW5kIGRlY3JlbWVudCByZWZjb3VudC4gKi8KPiArCWRybV9nZW1fb2JqZWN0X3JlbGVhc2Vf aGFuZGxlKGhhbmRsZSwgb2JqLCBmaWxwKTsKPiArCj4gKwlzcGluX2xvY2soJmZpbHAtPnRhYmxl X2xvY2spOwo+ICAJaWRyX3JlbW92ZSgmZmlscC0+b2JqZWN0X2lkciwgaGFuZGxlKTsKPiAgCXNw aW5fdW5sb2NrKCZmaWxwLT50YWJsZV9sb2NrKTsKPiAgCj4gLQlkcm1fZ2VtX29iamVjdF9yZWxl YXNlX2hhbmRsZShoYW5kbGUsIG9iaiwgZmlscCk7Cj4gIAlyZXR1cm4gMDsKPiAgfQo+ICBFWFBP UlRfU1lNQk9MKGRybV9nZW1faGFuZGxlX2RlbGV0ZSk7Cj4gLS0gCj4gMi43LjAucmMzCgotLSAK VmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2RyaS1kZXZlbAo=