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Re: [Xen-devel] [PATCH] ACPI/APEI: fix ERST MOVE_DATA instruction implementation

  • To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxx>
  • Date: Wed, 17 Oct 2012 13:07:43 +0100
  • Delivery-date: Wed, 17 Oct 2012 12:08:04 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac2sYAL0fT4CV6A9skKpCY2Uy4s2yw==
  • Thread-topic: [Xen-devel] [PATCH] ACPI/APEI: fix ERST MOVE_DATA instruction implementation

On 17/10/2012 12:53, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

> Before anyone asks - yes, I have added to my todo list to put in
> place a proper ioremap() for x86. But since I'm under some time
> pressure right now, this was the faster route to something that
> can be committed to see whether the regression goes away.

That's good as we'll need it for >4kB per-VCPU stacks (even if we only need
4kB VCPU stacks, we'll want a guard page too).

 -- Keir

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