diff options
| author | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-01-09 23:46:24 +0100 |
| commit | d2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch) | |
| tree | 98a3741b4d4b27a48b3c7ea9babe331e539416a8 /kernel/printk.c | |
| parent | MAINTAINERS: Add tomoyo-dev-en ML. (diff) | |
| parent | Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/... (diff) | |
| download | linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.tar.xz linux-d2e7ad19229f982fc1eb731827d82ceac90abfb3.zip | |
Merge branch 'master' into next
Conflicts:
security/smack/smack_lsm.c
Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au>
Ok'd by Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'kernel/printk.c')
| -rw-r--r-- | kernel/printk.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 0cecba059666..f64b8997fc76 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -43,12 +43,6 @@ #include <asm/uaccess.h> /* - * for_each_console() allows you to iterate on each console - */ -#define for_each_console(con) \ - for (con = console_drivers; con != NULL; con = con->next) - -/* * Architectures can override it: */ void asmlinkage __attribute__((weak)) early_printk(const char *fmt, ...) @@ -1080,21 +1074,23 @@ static DEFINE_PER_CPU(int, printk_pending); void printk_tick(void) { - if (__get_cpu_var(printk_pending)) { - __get_cpu_var(printk_pending) = 0; + if (__this_cpu_read(printk_pending)) { + __this_cpu_write(printk_pending, 0); wake_up_interruptible(&log_wait); } } int printk_needs_cpu(int cpu) { - return per_cpu(printk_pending, cpu); + if (cpu_is_offline(cpu)) + printk_tick(); + return __this_cpu_read(printk_pending); } void wake_up_klogd(void) { if (waitqueue_active(&log_wait)) - __raw_get_cpu_var(printk_pending) = 1; + this_cpu_write(printk_pending, 1); } /** @@ -1363,6 +1359,7 @@ void register_console(struct console *newcon) spin_unlock_irqrestore(&logbuf_lock, flags); } release_console_sem(); + console_sysfs_notify(); /* * By unregistering the bootconsoles after we enable the real console @@ -1421,6 +1418,7 @@ int unregister_console(struct console *console) console_drivers->flags |= CON_CONSDEV; release_console_sem(); + console_sysfs_notify(); return res; } EXPORT_SYMBOL(unregister_console); |