xps: Transmit Packet Steering

[net-next-2.6.git] / kernel / printk.c

diff --git a/kernel/printk.c b/kernel/printk.c
index 8fe465ac008aebdcdbb0e9db9fcd644d5b12c231..38e7d5868d60ccdfc8f13176f6021a4a712cdee1 100644 (file)
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -85,7 +85,7 @@ EXPORT_SYMBOL(oops_in_progress);
  * provides serialisation for access to the entire console
  * driver system.
  */
-static DECLARE_MUTEX(console_sem);
+static DEFINE_SEMAPHORE(console_sem);
 struct console *console_drivers;
 EXPORT_SYMBOL_GPL(console_drivers);
 
@@ -210,7 +210,7 @@ __setup("log_buf_len=", log_buf_len_setup);
 
 #ifdef CONFIG_BOOT_PRINTK_DELAY
 
-static unsigned int boot_delay; /* msecs delay after each printk during bootup */
+static int boot_delay; /* msecs delay after each printk during bootup */
 static unsigned long long loops_per_msec;      /* based on boot_delay */
 
 static int __init boot_delay_setup(char *str)
@@ -261,6 +261,12 @@ static inline void boot_delay_msec(void)
 }
 #endif
 
+#ifdef CONFIG_SECURITY_DMESG_RESTRICT
+int dmesg_restrict = 1;
+#else
+int dmesg_restrict;
+#endif
+
 int do_syslog(int type, char __user *buf, int len, bool from_file)
 {
        unsigned i, j, limit, count;
@@ -556,7 +562,7 @@ static void zap_locks(void)
        /* If a crash is occurring, make sure we can't deadlock */
        spin_lock_init(&logbuf_lock);
        /* And make sure that we print immediately */
-       init_MUTEX(&console_sem);
+       sema_init(&console_sem, 1);
 }
 
 #if defined(CONFIG_PRINTK_TIME)
@@ -647,6 +653,7 @@ static inline int can_use_console(unsigned int cpu)
  * released but interrupts still disabled.
  */
 static int acquire_console_semaphore_for_printk(unsigned int cpu)
+       __releases(&logbuf_lock)
 {
        int retval = 0;
 
@@ -1511,7 +1518,7 @@ int kmsg_dump_unregister(struct kmsg_dumper *dumper)
 }
 EXPORT_SYMBOL_GPL(kmsg_dump_unregister);
 
-static const char const *kmsg_reasons[] = {
+static const char * const kmsg_reasons[] = {
        [KMSG_DUMP_OOPS]        = "oops",
        [KMSG_DUMP_PANIC]       = "panic",
        [KMSG_DUMP_KEXEC]       = "kexec",