lkml.org 
[lkml]   [2017]   [Jun]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Commit-ID:  77f85e66aa8be563ae5804eebf74a78ec6ef5555
Gitweb: http://git.kernel.org/tip/77f85e66aa8be563ae5804eebf74a78ec6ef5555
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 20 Jun 2017 01:37:31 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 22 Jun 2017 18:21:18 +0200

genirq/cpuhotplug: Set force affinity flag on hotplug migration

Set the force migration flag when migrating interrupts away from an
outgoing CPU.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235445.681874648@linutronix.de

---
kernel/irq/cpuhotplug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/irq/cpuhotplug.c b/kernel/irq/cpuhotplug.c
index 6f46587..e09cb91 100644
--- a/kernel/irq/cpuhotplug.c
+++ b/kernel/irq/cpuhotplug.c
@@ -79,7 +79,7 @@ static bool migrate_one_irq(struct irq_desc *desc)
brokeaff = true;
}

- err = irq_do_set_affinity(d, affinity, false);
+ err = irq_do_set_affinity(d, affinity, true);
if (err) {
pr_warn_ratelimited("IRQ%u: set affinity failed(%d).\n",
d->irq, err);
\
 
 \ /
  Last update: 2017-06-22 20:04    [W:0.323 / U:0.224 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site