AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

irqchip/mips-gic: Use gic_vpes instead of NR_CPUS

Browse Source 
NR_CPUS is set by Kconfig and could be much higher than what actually is in the
system.

gic_vpes should be a true representitives of the number of cpus in the system,
so use it instead.

Signed-off-by: Qais Yousef <qais.yousef@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: <jiang.liu@linux.intel.com>
Cc: <linux-mips@linux-mips.org>
Cc: <lisa.parratt@imgtec.com>
Cc: Qais Yousef <qsyousef@gmail.com>
Link: http://lkml.kernel.org/r/1449580830-23652-15-git-send-email-qais.yousef@imgtec.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Qais Yousef 2015-12-08 13:20:25 +00:00 committed by Thomas Gleixner
parent c98c1822ee
commit 2a07870511
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/irqchip/irq-mips-gic.c
View File

@ -465,7 +465,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp))); gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp)));
/* Update the pcpu_masks */ /* Update the pcpu_masks */
for (i = 0; i < NR_CPUS; i++) for (i = 0; i < gic_vpes; i++)
clear_bit(irq, pcpu_masks[i].pcpu_mask); clear_bit(irq, pcpu_masks[i].pcpu_mask);
set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask); set_bit(irq, pcpu_masks[cpumask_first(&tmp)].pcpu_mask);
@ -1098,8 +1098,8 @@ static void __init __gic_init(unsigned long gic_base_addr,
gic_ipi_domain->bus_token = DOMAIN_BUS_IPI; gic_ipi_domain->bus_token = DOMAIN_BUS_IPI;
/* Make the last 2 * NR_CPUS available for IPIs */ /* Make the last 2 * gic_vpes available for IPIs */
bitmap_set(ipi_resrv, gic_shared_intrs - 2 * NR_CPUS, 2 * NR_CPUS); bitmap_set(ipi_resrv, gic_shared_intrs - 2 * gic_vpes, 2 * gic_vpes);
gic_basic_init(); gic_basic_init();