linux-kernel - Re: [PATCH] Drivers: hv: vmbus: Remove the per-CPU post_msg

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Message-ID: <ZDdYuYzKBdePXMiW@liuwe-devbox-debian-v2>
Date:   Thu, 13 Apr 2023 01:19:53 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Dexuan Cui <decui@...rosoft.com>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
        linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
        mikelley@...rosoft.com
Subject: Re: [PATCH] Drivers: hv: vmbus: Remove the per-CPU post_msg_page

On Sat, Apr 08, 2023 at 02:34:41PM -0700, Dexuan Cui wrote:
> The post_msg_page was introduced in 2014 in
> commit b29ef3546aec ("Drivers: hv: vmbus: Cleanup hv_post_message()")
> 
> Commit 68bb7bfb7985 ("X86/Hyper-V: Enable IPI enlightenments") introduced
> the hyperv_pcpu_input_arg in 2018, which can be used in hv_post_message().
> 
> Remove post_msg_page to simplify the code a little bit.
> 
> Signed-off-by: Dexuan Cui <decui@...rosoft.com>

Applied to hyperv-next.