From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756478Ab3KOD3s (ORCPT ); Thu, 14 Nov 2013 22:29:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:25045 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752928Ab3KOD3n (ORCPT ); Thu, 14 Nov 2013 22:29:43 -0500 Date: Thu, 14 Nov 2013 22:29:07 -0500 From: Dave Jones To: Linux Kernel Cc: Ingo Molnar , Peter Zijlstra Subject: perf code using smp_processor_id() in preemptible [00000000] code Message-ID: <20131115032907.GA25243@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel , Ingo Molnar , Peter Zijlstra MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org BUG: using smp_processor_id() in preemptible [00000000] code: trinity-main/890 caller is p4_pmu_schedule_events+0x25/0x4c0 CPU: 0 PID: 890 Comm: trinity-main Not tainted 3.12.0+ #3 Hardware name: Dell Inc. Precision WorkStation 470 /0P7996, BIOS A05 05/18/2005 ffff88001e675668 ffff880025e79d00 ffffffff8171f332 0000000000000000 ffff880025e79d18 ffffffff8133132a 0000000000000002 ffff880025e79dc0 ffffffff81018e55 ffff88001e675668 00000000000080d0 ffff88001e675668 Call Trace: [] dump_stack+0x4e/0x7a [] debug_smp_processor_id+0xca/0xe0 [] p4_pmu_schedule_events+0x25/0x4c0 [] ? kmem_cache_alloc_trace+0x12f/0x2d0 [] ? allocate_fake_cpuc+0x2f/0x90 [] x86_pmu_event_init+0x193/0x440 [] perf_init_event+0x250/0x330 [] ? perf_pmu_unregister+0x160/0x160 [] perf_event_alloc+0x378/0x420 [] SYSC_perf_event_open+0x5e5/0xa80 [] SyS_perf_event_open+0x9/0x10 [] tracesys+0xdd/0xe2