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Re: [Xen-devel] Problems with spin_lock_irqsave() and for_each_online_cpu()

To: "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Fri, 18 Oct 2013 16:00:44 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Tim Deegan <tim@xxxxxxx>
Delivery-date: Fri, 18 Oct 2013 15:01:10 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 18.10.13 at 16:55, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> Also changing local_irq_restore() to a conditional sti will also be a
> good improvement.  I shall see about spinning a patch for these issues.

A conditional sti or cli you meant.

Jan


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References:
- [Xen-devel] Problems with spin_lock_irqsave() and for_each_online_cpu()
  - From: Andrew Cooper
- Re: [Xen-devel] Problems with spin_lock_irqsave() and for_each_online_cpu()
  - From: Jan Beulich
- Re: [Xen-devel] Problems with spin_lock_irqsave() and for_each_online_cpu()
  - From: Andrew Cooper

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