linux-kernel - Re: [PATCH V4 1/3] misc/pvpanic: return 0 for empty body register function

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Date:   Tue, 18 Dec 2018 11:28:17 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Peng Hao <peng.hao2@....com.cn>
Cc:     arnd@...db.de, andy.shevchenko@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 1/3]  misc/pvpanic: return 0 for empty body register
 function

On Tue, Dec 18, 2018 at 05:46:41PM +0800, Peng Hao wrote:
> Return 0 for empty body register function normally.
> 
> Signed-off-by: Peng Hao <peng.hao2@....com.cn>
> ---
> QEMU community requires additional PCI devices to simulate PVPANIC devices
> so that some architectures can not occupy precious less than 4G of memory 
> space.

What is this for below the --- line?

And again, you did not specify what changed from the previous versions.
I can not take these unless you provide it.

thanks,

greg k-h