From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH] drm/i915: Preallocate request before access of the ring Date: 30 Apr 2015 22:59:13 -0700 Message-ID: References: <1430323845-28906-1-git-send-email-yu.dai@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 97A3A6E8C3 for ; Thu, 30 Apr 2015 22:59:15 -0700 (PDT) In-Reply-To: <1430323845-28906-1-git-send-email-yu.dai@intel.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, ethan.gao@intel.com, intel-gfx@lists.freedesktop.org, yu.dai@intel.com List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBJbnRlbCBHcmFwaGljcyBRQSBQUlRTIChQYXRjaCBSZWdyZXNzaW9uIFRlc3Qg U3lzdGVtIENvbnRhY3Q6IHNodWFuZy5oZUBpbnRlbC5jb20pClRhc2sgaWQ6IDYyOTIKLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLVN1bW1hcnktLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tClBsYXRmb3JtICAgICAgICAgIERlbHRhICAgICAgICAgIGRybS1p bnRlbC1uaWdodGx5ICAgICAgICAgIFNlcmllcyBBcHBsaWVkClBOViAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAyNzYvMjc2ICAgICAgICAgICAgICAyNzYvMjc2CklMSyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAzMDIvMzAyICAgICAgICAgICAgICAzMDIvMzAyClNO QiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAzMTYvMzE2ICAgICAgICAgICAgICAz MTYvMzE2CklWQiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAyNjQvMjY0ICAgICAg ICAgICAgICAyNjQvMjY0CkJZVCAgICAgICAgICAgICAgICAgLTMgICAgICAgICAgICAgIDIyNy8y MjcgICAgICAgICAgICAgIDIyNC8yMjcKQkRXICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgIDMxOC8zMTggICAgICAgICAgICAgIDMxOC8zMTgKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLURldGFpbGVkLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LQpQbGF0Zm9ybSAgVGVzdCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZHJtLWludGVs LW5pZ2h0bHkgICAgICAgICAgU2VyaWVzIEFwcGxpZWQKKkJZVCAgaWd0QGdlbV9kdW1teV9yZWxv Y19sb29wQHJlbmRlciAgICAgIEZBSUwoMSlQQVNTKDEzKSAgICAgIFRJTUVPVVQoMSlQQVNTKDEp CipCWVQgIGlndEBnZW1fZXhlY19wYXJzZUBiaXRtYXNrcyAgICAgIEZBSUwoMSlQQVNTKDYpICAg ICAgRE1FU0dfV0FSTigxKVBBU1MoMSkKKGRtZXNnIHBhdGNoIGFwcGxpZWQpZHJtOmNoZWNrX2Ny dGNfc3RhdGVbaTkxNV1dKkVSUk9SKm1pc21hdGNoX2luX2hhc19pbmZvZnJhbWUoZXhwZWN0ZWQj LGZvdW5kIylAbWlzbWF0Y2ggaW4gaGFzX2luZm9mcmFtZSAuKiBmb3VuZApXQVJOSU5HOmF0X2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYzojY2hlY2tfY3J0Y19zdGF0ZVtpOTE1 XSgpQFdBUk5JTkc6LiogYXQgLiogY2hlY2tfY3J0Y19zdGF0ZSsweAogQllUICBpZ3RAZ2VtX3Bp cGVfY29udHJvbF9zdG9yZV9sb29wQGZyZXNoLWJ1ZmZlciAgICAgIEZBSUwoMSlUSU1FT1VUKDcp UEFTUyg3KSAgICAgIFRJTUVPVVQoMSlQQVNTKDEpCk5vdGU6IFlvdSBuZWVkIHRvIHBheSBtb3Jl IGF0dGVudGlvbiB0byBsaW5lIHN0YXJ0IHdpdGggJyonCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==