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sched/x86: Update reschedule warning text

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Modify the reschedule warning to output the offline CPU number and
use a better debug message.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1492518305-3808-1-git-send-email-prarit@redhat.com
[ Tweaked the warning message. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Prarit Bhargava 2017-04-18 08:25:05 -04:00 committed by Ingo Molnar
parent 73810a0691
commit 21173d0b4d
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/smp.c
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@ -124,7 +124,7 @@ static bool smp_no_nmi_ipi = false;
static void native_smp_send_reschedule(int cpu)
{
if (unlikely(cpu_is_offline(cpu))) {
WARN_ON(1);
WARN(1, "sched: Unexpected reschedule of offline CPU#%d!\n", cpu);
return;
}
apic->send_IPI(cpu, RESCHEDULE_VECTOR);