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-rw-r--r--kernel/printk.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 29ae1e99cde0..4a090621f379 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -93,16 +93,16 @@ static int console_locked, console_suspended;
93 */ 93 */
94static DEFINE_SPINLOCK(logbuf_lock); 94static DEFINE_SPINLOCK(logbuf_lock);
95 95
96#define LOG_BUF_MASK (log_buf_len-1) 96#define LOG_BUF_MASK (log_buf_len-1)
97#define LOG_BUF(idx) (log_buf[(idx) & LOG_BUF_MASK]) 97#define LOG_BUF(idx) (log_buf[(idx) & LOG_BUF_MASK])
98 98
99/* 99/*
100 * The indices into log_buf are not constrained to log_buf_len - they 100 * The indices into log_buf are not constrained to log_buf_len - they
101 * must be masked before subscripting 101 * must be masked before subscripting
102 */ 102 */
103static unsigned long log_start; /* Index into log_buf: next char to be read by syslog() */ 103static unsigned log_start; /* Index into log_buf: next char to be read by syslog() */
104static unsigned long con_start; /* Index into log_buf: next char to be sent to consoles */ 104static unsigned con_start; /* Index into log_buf: next char to be sent to consoles */
105static unsigned long log_end; /* Index into log_buf: most-recently-written-char + 1 */ 105static unsigned log_end; /* Index into log_buf: most-recently-written-char + 1 */
106 106
107/* 107/*
108 * Array of consoles built from command line options (console=) 108 * Array of consoles built from command line options (console=)
@@ -128,17 +128,17 @@ static int console_may_schedule;
128static char __log_buf[__LOG_BUF_LEN]; 128static char __log_buf[__LOG_BUF_LEN];
129static char *log_buf = __log_buf; 129static char *log_buf = __log_buf;
130static int log_buf_len = __LOG_BUF_LEN; 130static int log_buf_len = __LOG_BUF_LEN;
131static unsigned long logged_chars; /* Number of chars produced since last read+clear operation */ 131static unsigned logged_chars; /* Number of chars produced since last read+clear operation */
132 132
133static int __init log_buf_len_setup(char *str) 133static int __init log_buf_len_setup(char *str)
134{ 134{
135 unsigned long size = memparse(str, &str); 135 unsigned size = memparse(str, &str);
136 unsigned long flags; 136 unsigned long flags;
137 137
138 if (size) 138 if (size)
139 size = roundup_pow_of_two(size); 139 size = roundup_pow_of_two(size);
140 if (size > log_buf_len) { 140 if (size > log_buf_len) {
141 unsigned long start, dest_idx, offset; 141 unsigned start, dest_idx, offset;
142 char *new_log_buf; 142 char *new_log_buf;
143 143
144 new_log_buf = alloc_bootmem(size); 144 new_log_buf = alloc_bootmem(size);
@@ -295,7 +295,7 @@ int log_buf_read(int idx)
295 */ 295 */
296int do_syslog(int type, char __user *buf, int len) 296int do_syslog(int type, char __user *buf, int len)
297{ 297{
298 unsigned long i, j, limit, count; 298 unsigned i, j, limit, count;
299 int do_clear = 0; 299 int do_clear = 0;
300 char c; 300 char c;
301 int error = 0; 301 int error = 0;
@@ -436,7 +436,7 @@ asmlinkage long sys_syslog(int type, char __user *buf, int len)
436/* 436/*
437 * Call the console drivers on a range of log_buf 437 * Call the console drivers on a range of log_buf
438 */ 438 */
439static void __call_console_drivers(unsigned long start, unsigned long end) 439static void __call_console_drivers(unsigned start, unsigned end)
440{ 440{
441 struct console *con; 441 struct console *con;
442 442
@@ -463,8 +463,8 @@ early_param("ignore_loglevel", ignore_loglevel_setup);
463/* 463/*
464 * Write out chars from start to end - 1 inclusive 464 * Write out chars from start to end - 1 inclusive
465 */ 465 */
466static void _call_console_drivers(unsigned long start, 466static void _call_console_drivers(unsigned start,
467 unsigned long end, int msg_log_level) 467 unsigned end, int msg_log_level)
468{ 468{
469 if ((msg_log_level < console_loglevel || ignore_loglevel) && 469 if ((msg_log_level < console_loglevel || ignore_loglevel) &&
470 console_drivers && start != end) { 470 console_drivers && start != end) {
@@ -484,12 +484,12 @@ static void _call_console_drivers(unsigned long start,
484 * log_buf[start] to log_buf[end - 1]. 484 * log_buf[start] to log_buf[end - 1].
485 * The console_sem must be held. 485 * The console_sem must be held.
486 */ 486 */
487static void call_console_drivers(unsigned long start, unsigned long end) 487static void call_console_drivers(unsigned start, unsigned end)
488{ 488{
489 unsigned long cur_index, start_print; 489 unsigned cur_index, start_print;
490 static int msg_level = -1; 490 static int msg_level = -1;
491 491
492 BUG_ON(((long)(start - end)) > 0); 492 BUG_ON(((int)(start - end)) > 0);
493 493
494 cur_index = start; 494 cur_index = start;
495 start_print = start; 495 start_print = start;
@@ -790,7 +790,7 @@ asmlinkage long sys_syslog(int type, char __user *buf, int len)
790 return -ENOSYS; 790 return -ENOSYS;
791} 791}
792 792
793static void call_console_drivers(unsigned long start, unsigned long end) 793static void call_console_drivers(unsigned start, unsigned end)
794{ 794{
795} 795}
796 796
@@ -983,8 +983,8 @@ void wake_up_klogd(void)
983void release_console_sem(void) 983void release_console_sem(void)
984{ 984{
985 unsigned long flags; 985 unsigned long flags;
986 unsigned long _con_start, _log_end; 986 unsigned _con_start, _log_end;
987 unsigned long wake_klogd = 0; 987 unsigned wake_klogd = 0;
988 988
989 if (console_suspended) { 989 if (console_suspended) {
990 up(&secondary_console_sem); 990 up(&secondary_console_sem);
@@ -1275,7 +1275,7 @@ void tty_write_message(struct tty_struct *tty, char *msg)
1275int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst) 1275int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst)
1276{ 1276{
1277 static DEFINE_SPINLOCK(ratelimit_lock); 1277 static DEFINE_SPINLOCK(ratelimit_lock);
1278 static unsigned long toks = 10 * 5 * HZ; 1278 static unsigned toks = 10 * 5 * HZ;
1279 static unsigned long last_msg; 1279 static unsigned long last_msg;
1280 static int missed; 1280 static int missed;
1281 unsigned long flags; 1281 unsigned long flags;