Re: [Xen-devel] [PATCH v2 01/12] VMX: reduce number of posted-interrupt hooks

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

> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Wednesday, August 29, 2018 9:59 PM
> 
> Three of the four hooks are not exposed outside of vmx.c, and all of
> them have only a single possible non-NULL value. So there's no reason to
> use hooks here - a simple set of flag indicators is sufficient (and we
> don't even need a flag for the VM entry one, as it's always
> (de-)activated together the the vCPU blocking hook, which needs to
> remain an actual function pointer). This is the more that with the
> Spectre v2 workarounds indirect calls have become more expensive.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

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

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