x86/smp: Adjust system_state check
authorThomas Gleixner <tglx@linutronix.de>
Tue, 16 May 2017 18:42:35 +0000 (20:42 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 23 May 2017 08:01:35 +0000 (10:01 +0200)
To enable smp_processor_id() and might_sleep() debug checks earlier, it's
required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.

Adjust the system_state check in announce_cpu() to handle the extra states.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170516184735.191715856@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/smpboot.c

index f04479a8f74f5598c8ee42bae66b17cee469ba49..045e4f993bd2ac3ac71373db3ff6c07aadcb793d 100644 (file)
@@ -863,7 +863,7 @@ static void announce_cpu(int cpu, int apicid)
        if (cpu == 1)
                printk(KERN_INFO "x86: Booting SMP configuration:\n");
 
-       if (system_state == SYSTEM_BOOTING) {
+       if (system_state < SYSTEM_RUNNING) {
                if (node != current_node) {
                        if (current_node > (-1))
                                pr_cont("\n");