Re: [PATCH v2 1/2] xen/x86: Move irq allocation from Xen smp_op.cpu_up()

From	Juergen Gross <jgross@suse.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 1/2] xen/x86: Move irq allocation from Xen smp_op.cpu_up()
Date	2016-08-05 08:50 +0200
Message-ID	<s2H7b-3Xz-1@gated-at.bofh.it> (permalink)
References	<s289s-5sX-17@gated-at.bofh.it> <s28Ct-5J5-1@gated-at.bofh.it>
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On 03/08/16 19:22, Boris Ostrovsky wrote:
> Commit ce0d3c0a6fb1 ("genirq: Revert sparse irq locking around
> __cpu_up() and move it to x86 for now") reverted irq locking
> introduced by commit a89941816726 ("hotplug: Prevent alloc/free
> of irq descriptors during cpu up/down") because of Xen allocating
> irqs in both of its cpu_up ops.
> 
> We can move those allocations into CPU notifiers so that original
> patch can be reinstated.
> 
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen

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[PATCH v2 0/2] Reinstate irq alloc/dealloc locking patch Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-03 19:50 +0200
  [PATCH v2 1/2] xen/x86: Move irq allocation from Xen smp_op.cpu_up() Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2016-08-03 20:00 +0200
    Re: [PATCH v2 1/2] xen/x86: Move irq allocation from Xen  smp_op.cpu_up() Juergen Gross <jgross@suse.com> - 2016-08-05 08:50 +0200

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