[PATCH 15/19] x86, irq: Move irq_remapped() check into free_remapped_irq

From: Joerg Roedel
Date: Tue Aug 07 2012 - 11:48:33 EST


The function is called unconditionally now in IO-APIC code
removing another irq_remapped() check from x86 core code.

Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kernel/apic/io_apic.c | 4 ++--
drivers/iommu/irq_remapping.c | 5 ++++-
2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 32faf20..6a7c6c9 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2981,8 +2981,8 @@ void destroy_irq(unsigned int irq)

irq_set_status_flags(irq, IRQ_NOREQUEST|IRQ_NOPROBE);

- if (irq_remapped(cfg))
- free_remapped_irq(irq);
+ free_remapped_irq(irq);
+
raw_spin_lock_irqsave(&vector_lock, flags);
__clear_irq_vector(irq, cfg);
raw_spin_unlock_irqrestore(&vector_lock, flags);
diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
index 3957fb2..f2affc7 100644
--- a/drivers/iommu/irq_remapping.c
+++ b/drivers/iommu/irq_remapping.c
@@ -229,10 +229,13 @@ int set_remapped_irq_affinity(struct irq_data *data, const struct cpumask *mask,

void free_remapped_irq(int irq)
{
+ struct irq_cfg *cfg = irq_get_chip_data(irq);
+
if (!remap_ops || !remap_ops->free_irq)
return;

- remap_ops->free_irq(irq);
+ if (cfg && irq_remapped(cfg))
+ remap_ops->free_irq(irq);
}

void compose_remapped_msi_msg(struct pci_dev *pdev,
--
1.7.9.5


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