Commit 9ac15b7a authored by Thomas Gleixner's avatar Thomas Gleixner

x86/irq: Copy vectormask instead of an AND operation

In the case that the new vector mask is a subset of the existing mask there is
no point to do a AND operation of currentmask & newmask. The result is
newmask. So we can simply copy the new mask to the current mask and be done
with it. Preparatory patch for further consolidation.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarBorislav Petkov <bp@alien8.de>
Tested-by: default avatarJoe 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/20151231160106.640253454@linutronix.deSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 3716fd27
...@@ -156,7 +156,7 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d, ...@@ -156,7 +156,7 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d,
vector_cpumask); vector_cpumask);
d->move_in_progress = d->move_in_progress =
cpumask_intersects(d->old_domain, cpu_online_mask); cpumask_intersects(d->old_domain, cpu_online_mask);
cpumask_and(d->domain, d->domain, vector_cpumask); cpumask_copy(d->domain, vector_cpumask);
goto success; goto success;
} }
......
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