Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp530400ybl; Wed, 11 Dec 2019 03:34:22 -0800 (PST) X-Google-Smtp-Source: APXvYqw0VFOSKg+Cj8G/z3O5/vmkm+XSd29NbfihWQaZh1BC2XXRHK0fmhAYMrQmo/iJjQoT2uHH X-Received: by 2002:aca:8d5:: with SMTP id 204mr2249164oii.141.1576064062526; Wed, 11 Dec 2019 03:34:22 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1576064062; cv=none; d=google.com; s=arc-20160816; b=RYdi+TL9udWfWCEOQcjWfU5Fa5eVCui3pafsL6oIrq3FDL3a9dm18dFpCvp1xgJn8J 5m5pJC4IKc7DFr6bGhOykFl1JkYNRNMCbWsmLgPA1vLVZoNHTb7a7qxg0dbMo+0DisnY Oks3MyYnqvq8QqXd4v0Cznq+NUwvOF4BmXiL1nAG4Jp+n4QJV3ouAWooPqVxpxITfpvk 3Bw1vPzUat1MJ5+I6yr5E/qSwqlVooOm55DrhZU43PJisPMpcNemNc4StA7Mn+HvgFzc +3u6V2QoSwQqy4ApTy/pbNnSvzv0XKDmNauKTs8015PwJCVm5rBSoRO44s7iuqHr5omT qCAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:references :in-reply-to:subject:cc:to:from; bh=Q/BPqDyx7+aAkYGZjoKHo1DYmBBHoo5vQ1Yikp+UGIc=; b=alc4k8PiyVY5tSj0IeChKLN+ZaeHsJkTl3gE2x0ozJ42FjsSOl9/fhS2amDk0rivgU 7FeGsxViD8FNojRY+OcEHBIvtRVNBf1QsCKf1pzurzcL+7mi7NjVXVVQP1zxdL0SiJNJ ReENh2fdoKIDTxq/oRJCubel+fU18sinALQ1+uf+Vwz7fBLpkRFsbGC5mx2VdRVMrv0M /eEN039eg873ig2SSs3euLgankkOeDqhrqVLTuWUyJvcOXrD9Q1zzBTZ4DA7V006hTz6 y6OesJ02Gyt6z+oRY1l/O6e6lIXK+t5uZU3jFVE+HWK9ai54ZjmSE8KR3bLBflakOJ+H K7fA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f9si875711otp.111.2019.12.11.03.34.09; Wed, 11 Dec 2019 03:34:22 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728446AbfLKLdW (ORCPT + 99 others); Wed, 11 Dec 2019 06:33:22 -0500 Received: from mga11.intel.com ([192.55.52.93]:14628 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727365AbfLKLdW (ORCPT ); Wed, 11 Dec 2019 06:33:22 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2019 03:33:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,301,1571727600"; d="scan'208";a="225491882" Received: from um.fi.intel.com (HELO um) ([10.237.72.57]) by orsmga002.jf.intel.com with ESMTP; 11 Dec 2019 03:33:18 -0800 From: Alexander Shishkin To: Peter Zijlstra Cc: Arnaldo Carvalho de Melo , Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa , alexander.shishkin@linux.intel.com Subject: Re: [PATCH 0/2] perf/x86/intel/bts: Small fixes In-Reply-To: <20191210174047.GQ2844@hirez.programming.kicks-ass.net> References: <20191205142853.28894-1-alexander.shishkin@linux.intel.com> <20191210174047.GQ2844@hirez.programming.kicks-ass.net> Date: Wed, 11 Dec 2019 13:33:17 +0200 Message-ID: <87eexbcd1e.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Peter Zijlstra writes: > On Thu, Dec 05, 2019 at 05:28:51PM +0300, Alexander Shishkin wrote: >> Hi Peter and Ingo, >> >> Here are two small fixes that resulted from running perf_fuzzer on a !KPTI >> kernel. One is a misguided and unannotated warning and another is a sketchy >> use of page_private(). The choice between deleting the BTS driver and >> fixing it is not obvious, though. It may theoretically still have users. >> >> Alexander Shishkin (2): >> perf/x86/intel/bts: Remove a silly warning >> perf/x86/intel/bts: Fix the use of page_private() > > I'll squash the pair, that makes more sense to me. Thanks!