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Re: [Xen-devel] [PATCH v3 5/9] x86/genapic: remove indirection from genapic hook accesses

To: Jan Beulich <JBeulich@xxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Fri, 21 Sep 2018 11:53:09 +0100
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wei.liu2@xxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Delivery-date: Fri, 21 Sep 2018 10:53:17 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Tue, Sep 11, 2018 at 07:35:04AM -0600, Jan Beulich wrote:
> Instead of loading a pointer at each use site, have a single runtime
> instance of struct genapic, copying into it from the individual
> instances. The individual instances can this way also be moved to .init
> (also adjust apic_probe[] at this occasion).
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH v3 0/9] x86: indirect call overhead reduction
  - From: Jan Beulich
- [Xen-devel] [PATCH v3 5/9] x86/genapic: remove indirection from genapic hook accesses
  - From: Jan Beulich

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