From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933572AbZDCOt2 (ORCPT ); Fri, 3 Apr 2009 10:49:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932705AbZDCOqH (ORCPT ); Fri, 3 Apr 2009 10:46:07 -0400 Received: from mga09.intel.com ([134.134.136.24]:65184 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932672AbZDCOqD (ORCPT ); Fri, 3 Apr 2009 10:46:03 -0400 Content-Type: multipart/mixed; boundary="===============1659026938==" MIME-Version: 1.0 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.39,319,1235980800"; d="scan'208";a="503328339" Message-Id: <20090403144556.578777000@intel.com> References: <20090403144332.799740000@intel.com> User-Agent: quilt/0.46-1 Date: Fri, 03 Apr 2009 16:43:41 +0200 From: markus.t.metzger@intel.com To: mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com Cc: markus.t.metzger@gmail.com, roland@redhat.com, eranian@googlemail.com, oleg@redhat.com, juan.villacis@intel.com, ak@linux.jf.intel.com, linux-kernel@vger.kernel.org, Markus Metzger Subject: [patch 09/20] x86, hw-branch-tracer: allocate selftest iterator on heap Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --===============1659026938== MIME-Version: 1.0 Content-Disposition: inline; filename=tip.master.hw-branch-tracer.selftest_alloc.patch Allocate the trace_iterator for the hw-branch-tracer selftest on the heap. Signed-off-by: Markus Metzger --- kernel/trace/trace_selftest.c | 20 12 + 8 - 0 ! 1 file changed, 12 insertions(+), 8 deletions(-) Index: b/kernel/trace/trace_selftest.c =================================================================== --- a/kernel/trace/trace_selftest.c +++ b/kernel/trace/trace_selftest.c @@ -699,7 +699,7 @@ int trace_selftest_startup_hw_branches(struct tracer *trace, struct trace_array *tr) { - struct trace_iterator iter; + struct trace_iterator *iter; struct tracer tracer; unsigned long count; int ret; @@ -719,17 +719,21 @@ trace_selftest_startup_hw_branches(struc * The hw-branch tracer needs to collect the trace from the various * cpu trace buffers - before tracing is stopped. */ - memset(&iter, 0, sizeof(iter)); + iter = kzalloc(sizeof(*iter), GFP_KERNEL); + if (!iter) + return -ENOMEM; + memcpy(&tracer, trace, sizeof(tracer)); - iter.trace = &tracer; - iter.tr = tr; - iter.pos = -1; - mutex_init(&iter.mutex); + iter->trace = &tracer; + iter->tr = tr; + iter->pos = -1; + mutex_init(&iter->mutex); - trace->open(&iter); + trace->open(iter); - mutex_destroy(&iter.mutex); + mutex_destroy(&iter->mutex); + kfree(iter); tracing_stop(); -- --===============1659026938== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. --===============1659026938==--