[patch 09/14] x86/irq: Remove offline cpus from vector cleanup

[Thomas Gleixner <tglx@linutronix.de>]

[-- Attachment #1: x86-irq--Remove-offline-cpus-from-vector-cleanup.patch --]
[-- Type: text/plain, Size: 799 bytes --]

No point of keeping offline cpus in the cleanup mask.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/kernel/apic/vector.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -200,8 +200,12 @@ static int __assign_irq_vector(int irq,
 	return -ENOSPC;
 
 update:
-	/* Cleanup required ? */
-	d->move_in_progress = cpumask_intersects(d->old_domain, cpu_online_mask);
+	/*
+	 * Exclude offline cpus from the cleanup mask and set the
+	 * move_in_progress flag when the result is not empty.
+	 */
+	cpumask_and(d->old_domain, d->old_domain, cpu_online_mask);
+	d->move_in_progress = !cpumask_empty(d->old_domain);
 	d->cfg.vector = vector;
 	cpumask_copy(d->domain, vector_cpumask);
 success: