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authorThomas Gleixner <tglx@linutronix.de>2016-07-04 17:39:23 +0900
committerThomas Gleixner <tglx@linutronix.de>2016-07-04 12:25:13 +0200
commit9c2555835bb3d34dfac52a0be943dcc4bedd650f (patch)
tree1a5a265c2f5c61b478bb1ed5df4ce9d8d15889e7 /kernel/irq/proc.c
parentb6140914fd079e43ea75a53429b47128584f033a (diff)
genirq: Introduce IRQD_AFFINITY_MANAGED flag
Interupts marked with this flag are excluded from user space interrupt affinity changes. Contrary to the IRQ_NO_BALANCING flag, the kernel internal affinity mechanism is not blocked. This flag will be used for multi-queue device interrupts. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Christoph Hellwig <hch@lst.de> Cc: linux-block@vger.kernel.org Cc: linux-pci@vger.kernel.org Cc: linux-nvme@lists.infradead.org Cc: axboe@fb.com Cc: agordeev@redhat.com Link: http://lkml.kernel.org/r/1467621574-8277-3-git-send-email-hch@lst.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/proc.c')
-rw-r--r--kernel/irq/proc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4e1b94726818..40bdcdc1f700 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -96,7 +96,7 @@ static ssize_t write_irq_affinity(int type, struct file *file,
cpumask_var_t new_value;
int err;
- if (!irq_can_set_affinity(irq) || no_irq_affinity)
+ if (!irq_can_set_affinity_usr(irq) || no_irq_affinity)
return -EIO;
if (!alloc_cpumask_var(&new_value, GFP_KERNEL))