Commit-ID: 9ac15b7a8af4cf3337a101498c0ed690d23ade75 Gitweb: http://git.kernel.org/tip/9ac15b7a8af4cf3337a101498c0ed690d23ade75 Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Thu, 31 Dec 2015 16:30:49 +0000 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Fri, 15 Jan 2016 13:44:00 +0100 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: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Borislav Petkov <bp@xxxxxxxxx> Tested-by: Joe Lawrence <joe.lawrence@xxxxxxxxxxx> Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> Cc: Jeremiah Mahler <jmmahler@xxxxxxxxx> Cc: andy.shevchenko@xxxxxxxxx Cc: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx #4.3+ Link: http://lkml.kernel.org/r/20151231160106.640253454@xxxxxxxxxxxxx Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/x86/kernel/apic/vector.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 940e18d..1bd29c6 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -156,7 +156,7 @@ static int __assign_irq_vector(int irq, struct apic_chip_data *d, vector_cpumask); d->move_in_progress = cpumask_intersects(d->old_domain, cpu_online_mask); - cpumask_and(d->domain, d->domain, vector_cpumask); + cpumask_copy(d->domain, vector_cpumask); goto success; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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