From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752943AbYI0Hax (ORCPT ); Sat, 27 Sep 2008 03:30:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751431AbYI0Hap (ORCPT ); Sat, 27 Sep 2008 03:30:45 -0400 Received: from wa-out-1112.google.com ([209.85.146.181]:60541 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750804AbYI0Hao (ORCPT ); Sat, 27 Sep 2008 03:30:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=UDYeEsAeBP089RXVwmuFe/8EmV7jDuzMOx4pJwBz8Ki3yp9GcdLo3x8ebet/DiQlG8 145aeml838NtFGJjuBYMC6G5cJM4byK7Z0f4xp9F463uVWDKq2xPzmRID/btb3Ll7Bpg E4nsb9sXJRyTDWx5EFluVn7Zuu0+cwvOVRCLQ= From: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton Cc: linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH 1/3] x86: add mtrr_cleanup_debug command line Date: Sat, 27 Sep 2008 00:30:06 -0700 Message-Id: <1222500608-14855-1-git-send-email-yhlu.kernel@gmail.com> X-Mailer: git-send-email 1.5.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org add mtrr_cleanup_debug to print out more info about layout Signed-off-by: Yinghai Lu --- arch/x86/kernel/cpu/mtrr/main.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) Index: linux-2.6/arch/x86/kernel/cpu/mtrr/main.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/main.c +++ linux-2.6/arch/x86/kernel/cpu/mtrr/main.c @@ -836,6 +836,13 @@ static int __init enable_mtrr_cleanup_se } early_param("enble_mtrr_cleanup", enable_mtrr_cleanup_setup); +static int __init mtrr_cleanup_debug_setup(char *str) +{ + debug_print = 1; + return 0; +} +early_param("mtrr_cleanup_debug", mtrr_cleanup_debug_setup); + struct var_mtrr_state { unsigned long range_startk; unsigned long range_sizek; @@ -1231,7 +1238,7 @@ static int __init mtrr_cleanup(unsigned if (mtrr_chunk_size && mtrr_gran_size) { int num_reg; - debug_print = 1; + debug_print++; /* convert ranges to var ranges state */ num_reg = x86_setup_var_mtrrs(range, nr_range, mtrr_chunk_size, mtrr_gran_size); @@ -1267,7 +1274,7 @@ static int __init mtrr_cleanup(unsigned } printk(KERN_INFO "invalid mtrr_gran_size or mtrr_chunk_size, " "will find optimal one\n"); - debug_print = 0; + debug_print--; memset(result, 0, sizeof(result[0])); } @@ -1370,8 +1377,9 @@ static int __init mtrr_cleanup(unsigned chunk_size <<= 10; gran_size = result[i].gran_sizek; gran_size <<= 10; - debug_print = 1; + debug_print++; x86_setup_var_mtrrs(range, nr_range, chunk_size, gran_size); + debug_print--; set_var_mtrr_all(address_bits); return 1; }