diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-07-04 17:39:23 +0900 |
|---|---|---|
| committer | Runmin Wang <runminw@codeaurora.org> | 2017-01-23 11:23:37 -0800 |
| commit | 1cc869442a204358ddb29d4c58cc4fd84847fe85 (patch) | |
| tree | c344875780e44935b1b0a58a44f130d570ac6e61 /kernel/irq/internals.h | |
| parent | 8fa25e8c0e83a27601cb2e4c30998e923e1bd96d (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.
Change-Id: I204c49bb1c8ce87fbcd163119093163b120bfe83
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>
Git-commit: 9c2555835bb3d34dfac52a0be943dcc4bedd650f
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
[runminw@codeaurora.org: resolve trivial merge conflicts]
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
Diffstat (limited to 'kernel/irq/internals.h')
| -rw-r--r-- | kernel/irq/internals.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index fcab63c66905..56afc0be6289 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -105,6 +105,8 @@ static inline void unregister_handler_proc(unsigned int irq, struct irqaction *action) { } #endif +extern bool irq_can_set_affinity_usr(unsigned int irq); + extern int irq_select_affinity_usr(unsigned int irq, struct cpumask *mask); extern void irq_set_thread_affinity(struct irq_desc *desc); |