Commit 847667ef authored Dec 31, 2015 by Thomas Gleixner

x86/irq: Remove offline cpus from vector cleanup



No point of keeping offline cpus in the cleanup mask.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Borislav Petkov <bp@alien8.de>
Tested-by: Joe Lawrence <joe.lawrence@stratus.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jeremiah Mahler <jmmahler@gmail.com>
Cc: andy.shevchenko@gmail.com
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org #4.3+
Link: http://lkml.kernel.org/r/20151231160106.808642683@linutronix.de


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent ab25ac02

arch/x86/kernel/apic/vector.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -202,8 +202,12 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d,
		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: