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Re: [Xen-devel] [PATCH 02/16] VMX: don't unconditionally set the tsc_scaling.setup hook

  • To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
  • Date: Thu, 19 Jul 2018 01:52:43 +0000
  • Accept-language: en-US
  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
  • Delivery-date: Thu, 19 Jul 2018 01:52:52 +0000
  • Dlp-product: dlpe-windows
  • Dlp-reaction: no-action
  • Dlp-version: 11.0.200.100
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
  • Thread-index: AQHUGRpqYXJcCkoWsE24HF8pbLt1vqSV1BWg
  • Thread-topic: [PATCH 02/16] VMX: don't unconditionally set the tsc_scaling.setup hook
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Wednesday, July 11, 2018 9:24 PM
> 
> Instead of checking hvm_tsc_scaling_supported inside the hook function,
> install the hook only when setting state such that said predicate
> becomes true.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Kevin Tian <kevin.tian@xxxxxxxxx>

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