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Re: [Xen-devel] [PATCH] x86/cpuidle: publish new states only after fully initializing them


  • To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: "Liu, Jinsong" <jinsong.liu@xxxxxxxxx>
  • Date: Wed, 11 Dec 2013 06:39:56 +0000
  • Accept-language: en-US
  • Cc: Keir Fraser <keir@xxxxxxx>
  • Delivery-date: Wed, 11 Dec 2013 06:40:42 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: AQHO9bw7MTwDgULDLE2/FrtslFkRcppOi+1A
  • Thread-topic: [PATCH] x86/cpuidle: publish new states only after fully initializing them

Jan Beulich wrote:
> Since state information coming from Dom0 can arrive at any time, on
> any CPU, we ought to make sure that a new state is fully initialized
> before the target CPU might be using it.
> 
> Once touching that code, also do minor cleanup: A missing (but benign)
> "break" and some white space adjustments.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 

Reviewed-by: Liu Jinsong <jinsong.liu@xxxxxxxxx>
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