From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755481AbZDNMSD (ORCPT ); Tue, 14 Apr 2009 08:18:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754889AbZDNMRw (ORCPT ); Tue, 14 Apr 2009 08:17:52 -0400 Received: from hera.kernel.org ([140.211.167.34]:39084 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753937AbZDNMRw (ORCPT ); Tue, 14 Apr 2009 08:17:52 -0400 Subject: [PATCH -tip] x86: cpu_debug.c prepare report if files are less or more then expected From: Jaswinder Singh Rajput To: Ingo Molnar , x86 maintainers , LKML Content-Type: text/plain Date: Tue, 14 Apr 2009 17:47:24 +0530 Message-Id: <1239711444.3079.13.camel@ht.satnam> Mime-Version: 1.0 X-Mailer: Evolution 2.24.5 (2.24.5-1.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This will prepare the report to update cpu_debug Signed-off-by: Jaswinder Singh Rajput --- arch/x86/include/asm/cpu_debug.h | 1 + arch/x86/kernel/cpu/cpu_debug.c | 12 ++++++++++++ 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/cpu_debug.h b/arch/x86/include/asm/cpu_debug.h index 2228020..b64da5d 100644 --- a/arch/x86/include/asm/cpu_debug.h +++ b/arch/x86/include/asm/cpu_debug.h @@ -187,6 +187,7 @@ enum cpu_processor_bit { #define CPU_ALL (CPU_INTEL_ALL | CPU_AMD_ALL) #define MAX_CPU_FILES 512 +#define MIN_CPU_FILES 10 struct cpu_private { unsigned cpu; diff --git a/arch/x86/kernel/cpu/cpu_debug.c b/arch/x86/kernel/cpu/cpu_debug.c index 46e29ab..1c3ebd4 100644 --- a/arch/x86/kernel/cpu/cpu_debug.c +++ b/arch/x86/kernel/cpu/cpu_debug.c @@ -838,6 +838,14 @@ static int cpu_init_allreg(unsigned cpu, struct dentry *dentry) return err; } +/* Send Report to maintainer if files are less or more then expected */ +static void send_report(int files, struct cpuinfo_x86 *cpui) +{ + pr_info("Please report \"cpu_debug files %d for %x:%x:%x:%x\" to" + " jaswinderrajput@gmail.com\n", files, cpui->x86_vendor, + cpui->x86, cpui->x86_model, cpui->x86_mask); +} + static int cpu_init_cpu(void) { struct dentry *cpu_dentry = NULL; @@ -861,9 +869,13 @@ static int cpu_init_cpu(void) pr_info("cpu%d(%d) debug files %d\n", cpu, nr_cpu_ids, per_cpu(cpu_priv_count, cpu)); + if ((per_cpu(cpu_priv_count, cpu) < MIN_CPU_FILES) && !cpu) + send_report(per_cpu(cpu_priv_count, cpu), cpui); + if (per_cpu(cpu_priv_count, cpu) > MAX_CPU_FILES) { pr_err("Register files count %d exceeds limit %d\n", per_cpu(cpu_priv_count, cpu), MAX_CPU_FILES); + send_report(per_cpu(cpu_priv_count, cpu), cpui); per_cpu(cpu_priv_count, cpu) = MAX_CPU_FILES; err = -ENFILE; } -- 1.6.0.6