[RFC PATCH 1/8] ARM: gic: Support forcing cpumask for possible cpus in the system

From: Michal Simek
Date: Mon Jun 18 2012 - 07:30:36 EST


gic_set_affinity doesn't support force option. Force option
should work with all possible cpus in the system not only with
online cpus.

Signed-off-by: Michal Simek <monstr@xxxxxxxxx>
---
arch/arm/common/gic.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index aa52699..4003cc2 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -235,9 +235,14 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
{
void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
unsigned int shift = (gic_irq(d) % 4) * 8;
- unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
+ unsigned int cpu;
u32 val, mask, bit;

+ if (force)
+ cpu = cpumask_any_and(mask_val, cpu_possible_mask);
+ else
+ cpu = cpumask_any_and(mask_val, cpu_online_mask);
+
if (cpu >= 8 || cpu >= nr_cpu_ids)
return -EINVAL;

--
1.7.0.4

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