From: Yinghai Lu Date: Sat, 27 Sep 2008 07:30:06 +0000 (-0700) Subject: x86: add mtrr_cleanup_debug command line X-Git-Tag: v2.6.28-rc1~734^2^13~11 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=54d45ff4208836e62536fc40b0141586dbf6641f;p=linux-2.6-omap-h63xx.git x86: add mtrr_cleanup_debug command line add mtrr_cleanup_debug to print out more info about layout Signed-off-by: Yinghai Lu Cc: Yinghai Lu Cc: Andrew Morton Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 93d575ac61a..aff46b99ff0 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c @@ -836,6 +836,13 @@ static int __init enable_mtrr_cleanup_setup(char *str) } 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; @@ -1227,7 +1234,7 @@ static int __init mtrr_cleanup(unsigned address_bits) 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); @@ -1263,7 +1270,7 @@ static int __init mtrr_cleanup(unsigned address_bits) } 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])); } @@ -1366,8 +1373,9 @@ static int __init mtrr_cleanup(unsigned address_bits) 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; }