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Re: [PATCH 1/4][Xen-devel] X86 microcode: cancel redundant input paramet

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Subject: Re: [PATCH 1/4][Xen-devel] X86 microcode: cancel redundant input parameter of microcode functions
From: Christoph Egger <Christoph.Egger@xxxxxxx>
Date: 2009年1月22日 09:42:01 +0100
Cc: "Liu, Jinsong" <jinsong.liu@xxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Delivery-date: 2009年1月22日 00:42:44 -0800
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On Thursday 22 January 2009 04:08:21 Liu, Jinsong wrote:
> X86 microcode: cancel redundant input parameter of microcode functions
>
> Cancel redundant input parameter 'uci', since it can get from another input
> parameter 'cpu' as index.
>
> Signed-off-by: Liu, Jinsong <jinsong.liu@xxxxxxxxx>
I added the parameter 'uci' to reduce dependency on a global variable.
That improves reentrancy and cache locality.
If you want to go a step forward rather back, then remove the 'cpu' parameter
instead.
Christoph
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