linux-kernel - Re: [PATCH] x86/hyperv: Improve code for referencing hyperv_pcpu_input

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Message-ID: <ZJxzp7zJVTIFAylj@liuwe-devbox-debian-v2>
Date:   Wed, 28 Jun 2023 17:53:43 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Nischala Yelchuri <niyelchu@...ux.microsoft.com>
Cc:     linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        mikelley@...rosoft.com, K.Y.Srinivasan@...ux.microsoft.com,
        kys@...rosoft.com, Haiyang@...ux.microsoft.com,
        Zhang@...ux.microsoft.com, haiyangz@...rosoft.com,
        Wei@...ux.microsoft.com, Liu@...ux.microsoft.com,
        wei.liu@...nel.org, Dexuan@...ux.microsoft.com,
        Cui@...ux.microsoft.com, decui@...rosoft.com,
        Thomas@...ux.microsoft.com, Gleixner@...ux.microsoft.com,
        tglx@...utronix.de, Ingo@...ux.microsoft.com,
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        Borislav@...ux.microsoft.com, Petkov@...ux.microsoft.com,
        bp@...en8.de, Dave@...ux.microsoft.com, Hansen@...ux.microsoft.com,
        dave.hansen@...ux.intel.com, x86@...nel.org,
        H.PeterAnvin@...ux.microsoft.com, hpa@...or.com,
        Tyler@...ux.microsoft.com, Hicks@...ux.microsoft.com,
        code@...icks.com, niyelchu@...rosoft.com
Subject: Re: [PATCH] x86/hyperv: Improve code for referencing
 hyperv_pcpu_input_arg

On Tue, Jun 20, 2023 at 11:40:38AM -0700, Nischala Yelchuri wrote:
> Several places in code for Hyper-V reference the
> per-CPU variable hyperv_pcpu_input_arg. Older code uses a multi-line
> sequence to reference the variable, and usually includes a cast.
> Newer code does a much simpler direct assignment. The latter is
> preferable as the complexity of the older code is unnecessary.
> 
> Update older code to use the simpler direct assignment.
> 
> Signed-off-by: Nischala Yelchuri <niyelchu@...ux.microsoft.com>

Applied to hyperv-fixes. Thanks!