From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3w0VRb204TzDqHq for ; Sat, 8 Apr 2017 18:46:34 +1000 (AEST) Subject: Re: [PATCH v2 2/5] perf/x86/intel: Record branch type To: Andi Kleen , Peter Zijlstra Cc: acme@kernel.org, jolsa@kernel.org, mingo@redhat.com, alexander.shishkin@linux.intel.com, Linux-kernel@vger.kernel.org, kan.liang@intel.com, yao.jin@intel.com, linuxppc-dev@lists.ozlabs.org References: <1491562066-7472-1-git-send-email-yao.jin@linux.intel.com> <1491562066-7472-3-git-send-email-yao.jin@linux.intel.com> <20170407152031.k2auigfkj7ek4suo@hirez.programming.kicks-ass.net> <20170407164834.GA4021@tassilo.jf.intel.com> <20170407172024.r66fkp4xkux5blxi@hirez.programming.kicks-ass.net> <20170407175006.GB4021@tassilo.jf.intel.com> From: "Jin, Yao" Message-ID: Date: Sat, 8 Apr 2017 16:46:29 +0800 MIME-Version: 1.0 In-Reply-To: <20170407175006.GB4021@tassilo.jf.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > Without this patch, we don't know if it's conditional or something else. > And the kernel already knows this for its filtering, so it can as well > report it. > > Right the CROSS_* and forward backward information could be computed > later. > > -Andi > > OK, I will move CROSS_* and JCC forward/backward computing to user-space though it makes user-space code to be complicated. Thanks Jin Yao