Re: [Xen-devel] [PATCH] VMX: use non-atomic bitops to manage MSR state

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Monday, June 20, 2016 7:31 PM
> 
> All host_msr_state accesses are solely on the owning CPU, and all
> guest_msr_state ones solely when the vCPU is current or being switched
> to. This, btw, is also in line with the use of find_first_set_bit()
> (which would be bogus if ->flags could get updated behind its back).
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 

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


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