diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-09-27 00:30:06 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-09-27 18:09:35 +0200 |
| commit | 54d45ff4208836e62536fc40b0141586dbf6641f (patch) | |
| tree | 3a891fe14fdd4c1e50aa879164ba4c1ea9dd8a1f /arch | |
| parent | 2313c2793d290a8cc37c428f8622c53f3fe1d6dc (diff) | |
x86: add mtrr_cleanup_debug command line
add mtrr_cleanup_debug to print out more info about layout
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/main.c | 14 |
1 files changed, 11 insertions, 3 deletions
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; } |