diff options
author | Ingo Molnar <mingo@elte.hu> | 2011-01-07 08:14:15 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2011-01-07 08:14:15 -0500 |
commit | 1c2a48cf65580a276552151eb8f78d78c55b828e (patch) | |
tree | 68ed0628a276b33cb5aa0ad4899c1afe0a33a69d /kernel/printk.c | |
parent | 0aa002fe602939370e9476e5ec32b562000a0425 (diff) | |
parent | cb600d2f83c854ec3d6660063e4466431999489b (diff) |
Merge branch 'linus' into x86/apic-cleanups
Conflicts:
arch/x86/include/asm/io_apic.h
Merge reason: Resolve the conflict, update to a more recent -rc base
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r-- | kernel/printk.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 9a2264fc42ca..ab3ffc5b3b64 100644 --- a/kernel/printk.c +++ b/kernel/printk.c | |||
@@ -1074,21 +1074,23 @@ static DEFINE_PER_CPU(int, printk_pending); | |||
1074 | 1074 | ||
1075 | void printk_tick(void) | 1075 | void printk_tick(void) |
1076 | { | 1076 | { |
1077 | if (__get_cpu_var(printk_pending)) { | 1077 | if (__this_cpu_read(printk_pending)) { |
1078 | __get_cpu_var(printk_pending) = 0; | 1078 | __this_cpu_write(printk_pending, 0); |
1079 | wake_up_interruptible(&log_wait); | 1079 | wake_up_interruptible(&log_wait); |
1080 | } | 1080 | } |
1081 | } | 1081 | } |
1082 | 1082 | ||
1083 | int printk_needs_cpu(int cpu) | 1083 | int printk_needs_cpu(int cpu) |
1084 | { | 1084 | { |
1085 | return per_cpu(printk_pending, cpu); | 1085 | if (cpu_is_offline(cpu)) |
1086 | printk_tick(); | ||
1087 | return __this_cpu_read(printk_pending); | ||
1086 | } | 1088 | } |
1087 | 1089 | ||
1088 | void wake_up_klogd(void) | 1090 | void wake_up_klogd(void) |
1089 | { | 1091 | { |
1090 | if (waitqueue_active(&log_wait)) | 1092 | if (waitqueue_active(&log_wait)) |
1091 | __raw_get_cpu_var(printk_pending) = 1; | 1093 | this_cpu_write(printk_pending, 1); |
1092 | } | 1094 | } |
1093 | 1095 | ||
1094 | /** | 1096 | /** |