From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH] drm/mst: use kref_get_unless_zero for looking Date: 10 Nov 2014 06:40:37 -0800 Message-ID: <6c3329$it2bgh@orsmga002.jf.intel.com> References: <1415601680-3654-1-git-send-email-airlied@gmail.com> 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 E28956F93C for ; Mon, 10 Nov 2014 06:40:58 -0800 (PST) In-Reply-To: <1415601680-3654-1-git-send-email-airlied@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: shuang.he@intel.com, intel-gfx@lists.freedesktop.org, airlied@gmail.com List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBQUkMgUUEgUFJUUyAoUGF0Y2ggUmVncmVzc2lvbiBUZXN0IFN5c3RlbSBDb250 YWN0OiBzaHVhbmcuaGVAaW50ZWwuY29tKQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tU3VtbWFyeS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZv cm06IGJhc2VsaW5lX2RybV9pbnRlbF9uaWdodGx5X3Bhc3NfcmF0ZS0+cGF0Y2hfYXBwbGllZF9w YXNzX3JhdGUKQllUOiBwYXNzL3RvdGFsPTI0OS8zNDgtPjI0OC8zNDgKUE5WOiBwYXNzL3RvdGFs PTMyMy8zMjgtPjMyNS8zMjgKSUxLOiBwYXNzL3RvdGFsPTMyOC8zMzAtPjMzMC8zMzAKSVZCOiBw YXNzL3RvdGFsPTU0NS81NDYtPjU0NS81NDYKU05COiBwYXNzL3RvdGFsPTU1MS81NTYtPjU1MC81 NTYKSFNXOiBwYXNzL3RvdGFsPTU3Ny81ODEtPjU3MC81ODEKQkRXOiBwYXNzL3RvdGFsPTQzNS80 MzUtPjQzNC80MzUKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLURldGFpbGVk LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQp0ZXN0X3BsYXRmb3JtOiB0ZXN0 X3N1aXRlLCB0ZXN0X2Nhc2UsIHJlc3VsdF93aXRoX2RybV9pbnRlbF9uaWdodGx5KGNvdW50LCBt YWNoaW5lX2lkLi4uKS4uLi0+cmVzdWx0X3dpdGhfcGF0Y2hfYXBwbGllZChjb3VudCwgbWFjaGlu ZV9pZCkuLi4KQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fYmFkX3JlbG9jX25lZ2F0aXZl LXJlbG9jLWx1dCwgUEFTUyg0LCBNMzYpIC0+IE5TUFQoMSwgTTM2KVBBU1MoMywgTTM2KQpQTlY6 IEludGVsX2dwdV90b29scywgaWd0X2dlbV9jb25jdXJyZW50X2JsaXRfZ3B1LWJjcy1lYXJseS1y ZWFkLCBQQVNTKDYsIE0yM00yNCkgLT4gRE1FU0dfV0FSTigxLCBNMjQpUEFTUygzLCBNMjQpClBO VjogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VtX2xpbmVhcl9ibGl0c19ub3JtYWwsIE5TUFQoMSwg TTIzKVBBU1MoMywgTTI0KSAtPiBQQVNTKDQsIE0yNCkKUE5WOiBJbnRlbF9ncHVfdG9vbHMsIGln dF9nZW1fbW1hcF9vZmZzZXRfZXhoYXVzdGlvbiwgRE1FU0dfV0FSTigyLCBNMjNNMjQpUEFTUygy LCBNMjQpIC0+IFBBU1MoNCwgTTI0KQpQTlY6IEludGVsX2dwdV90b29scywgaWd0X2dlbV91bnJl Zl9hY3RpdmVfYnVmZmVycywgRE1FU0dfV0FSTigxLCBNMjMpUEFTUygzLCBNMjQpIC0+IFBBU1Mo NCwgTTI0KQpJTEs6IEludGVsX2dwdV90b29scywgaWd0X2ttc19yZW5kZXJfZ3B1LWJsaXQsIERN RVNHX1dBUk4oMSwgTTI2KVBBU1MoMywgTTYpIC0+IFBBU1MoNCwgTTYpCklMSzogSW50ZWxfZ3B1 X3Rvb2xzLCBpZ3Rfa21zX2ZsaXBfd2ZfdmJsYW5rLXZzLWRwbXMtaW50ZXJydXB0aWJsZSwgRE1F U0dfV0FSTigxLCBNMjYpUEFTUygzLCBNNikgLT4gUEFTUyg0LCBNNikKSVZCOiBJbnRlbF9ncHVf dG9vbHMsIGlndF9nZW1fYmFkX3JlbG9jX25lZ2F0aXZlLXJlbG9jLCBOU1BUKDEsIE00KVBBU1Mo MywgTTM0TTQpIC0+IE5TUFQoMiwgTTQpUEFTUygyLCBNNCkKSVZCOiBJbnRlbF9ncHVfdG9vbHMs IGlndF9rbXNfcGxhbmVfcGxhbmUtcG9zaXRpb24tY292ZXJlZC1waXBlLUEtcGxhbmUtMSwgVElN RU9VVCgxLCBNMzQpUEFTUygzLCBNNCkgLT4gUEFTUyg0LCBNNCkKU05COiBJbnRlbF9ncHVfdG9v bHMsIGlndF9nZW1fY29uY3VycmVudF9ibGl0X2dwdVgtYmNzLW92ZXJ3cml0ZS1zb3VyY2UtZm9y a2VkLCBQQVNTKDQsIE0zNU0yMikgLT4gRkFJTCgxLCBNMjIpUEFTUygzLCBNMjIpCkhTVzogSW50 ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VtX2JhZF9yZWxvY19uZWdhdGl2ZS1yZWxvYywgTlNQVCgxLCBN MzkpUEFTUygzLCBNNDBNMzkpIC0+IE5TUFQoMiwgTTM5KVBBU1MoMiwgTTM5KQpIU1c6IEludGVs X2dwdV90b29scywgaWd0X2ttc19jdXJzb3JfY3JjX2N1cnNvci0xMjh4MTI4LW9uc2NyZWVuLCBQ QVNTKDQsIE00ME0zOSkgLT4gRE1FU0dfV0FSTigyLCBNMzkpUEFTUygyLCBNMzkpCkhTVzogSW50 ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21zX2N1cnNvcl9jcmNfY3Vyc29yLTI1NngyNTYtb2Zmc2NyZWVu LCBQQVNTKDQsIE00ME0zOSkgLT4gRE1FU0dfV0FSTigyLCBNMzkpUEFTUygyLCBNMzkpCkhTVzog SW50ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21zX2N1cnNvcl9jcmNfY3Vyc29yLTY0eDY0LW9mZnNjcmVl biwgRE1FU0dfV0FSTigxLCBNMzkpUEFTUygzLCBNNDBNMzkpIC0+IERNRVNHX1dBUk4oMiwgTTM5 KVBBU1MoMiwgTTM5KQpIU1c6IEludGVsX2dwdV90b29scywgaWd0X2ttc19jdXJzb3JfY3JjX2N1 cnNvci02NHg2NC1vbnNjcmVlbiwgRE1FU0dfV0FSTigxLCBNMzkpUEFTUygzLCBNNDBNMzkpIC0+ IERNRVNHX1dBUk4oMSwgTTM5KVBBU1MoMywgTTM5KQpIU1c6IEludGVsX2dwdV90b29scywgaWd0 X2ttc19jdXJzb3JfY3JjX2N1cnNvci02NHg2NC1zbGlkaW5nLCBETUVTR19XQVJOKDEsIE0zOSlQ QVNTKDMsIE00ME0zOSkgLT4gRE1FU0dfV0FSTigxLCBNMzkpUEFTUygzLCBNMzkpCkhTVzogSW50 ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21zX21taW9fdnNfY3NfZmxpcF9zZXRwbGFuZV92c19jc19mbGlw LCBQQVNTKDQsIE00ME0zOSkgLT4gRE1FU0dfV0FSTigxLCBNMzkpUEFTUygzLCBNMzkpCkJEVzog SW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VtX3Jlc2V0X3N0YXRzX2Jhbi1ic2QsIFBBU1MoNCwgTTMw KSAtPiBETUVTR19XQVJOKDEsIE0zMClQQVNTKDMsIE0zMCkKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK