cpu/hotplug: Prevent alloc/free of irq descriptors during CPU up/down (again)
authorBoris Ostrovsky <boris.ostrovsky@oracle.com>
Wed, 3 Aug 2016 17:22:28 +0000 (13:22 -0400)
committerIngo Molnar <mingo@kernel.org>
Wed, 10 Aug 2016 13:42:57 +0000 (15:42 +0200)
commitaa877175e7a9982233ed8f10cb4bfddd78d82741
treea97d5017cec83ee19a42c59b7c99f26a70cd044a
parenta0cba2179ea4c1820fce2ee046b6ed90ecc56196
cpu/hotplug: Prevent alloc/free of irq descriptors during CPU up/down (again)

Now that Xen no longer allocates irqs in _cpu_up() we can restore
commit:

  a89941816726 ("hotplug: Prevent alloc/free of irq descriptors during cpu up/down")

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: david.vrabel@citrix.com
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1470244948-17674-3-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/smpboot.c
kernel/cpu.c