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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Jiang Liu <jiang.liu@linux.intel.com>, Chris Zankel <chris@zankel.net>
Subject: [patch 1/1] xtensa/irq: Use access helper irq_data_get_affinity_mask()
Date: Mon, 13 Jul 2015 20:53:10 -0000	[thread overview]
Message-ID: <20150713172018.264485572@linutronix.de> (raw)

[-- Attachment #1: xtensa-irq-Use-access-helper-irq_data_get_affinity_m.patch --]
[-- Type: text/plain, Size: 1296 bytes --]

From: Jiang Liu <jiang.liu@linux.intel.com>

This is a preparatory patch for moving irq_data struct members.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/xtensa/kernel/irq.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Index: tip/arch/xtensa/kernel/irq.c
===================================================================
--- tip.orig/arch/xtensa/kernel/irq.c
+++ tip/arch/xtensa/kernel/irq.c
@@ -166,23 +166,25 @@ void migrate_irqs(void)
 
 	for_each_active_irq(i) {
 		struct irq_data *data = irq_get_irq_data(i);
+		struct cpumask *mask;
 		unsigned int newcpu;
 
 		if (irqd_is_per_cpu(data))
 			continue;
 
-		if (!cpumask_test_cpu(cpu, data->affinity))
+		mask = irq_data_get_affinity_mask(data);
+		if (!cpumask_test_cpu(cpu, mask))
 			continue;
 
-		newcpu = cpumask_any_and(data->affinity, cpu_online_mask);
+		newcpu = cpumask_any_and(mask, cpu_online_mask);
 
 		if (newcpu >= nr_cpu_ids) {
 			pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n",
 					    i, cpu);
 
-			cpumask_setall(data->affinity);
+			cpumask_setall(mask);
 		}
-		irq_set_affinity(i, data->affinity);
+		irq_set_affinity(i, mask);
 	}
 }
 #endif /* CONFIG_HOTPLUG_CPU */



             reply	other threads:[~2015-07-13 20:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-13 20:53 Thomas Gleixner [this message]
2015-07-27 16:01 ` [tip:irq/core] xtensa/irq: Use access helper irq_data_get_affinity_mask() tip-bot for Jiang Liu
2015-07-29  8:18 ` tip-bot for Jiang Liu

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