linux-kernel - Re: [PATCH v4 0/2] Introduce some interfaces for ACRN hypervisor HSM driver

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Message-ID: <20210915014433.GB28232@louislifei-OptiPlex-7050>
Date:   Wed, 15 Sep 2021 09:44:33 +0800
From:   Li Fei1 <fei1.li@...el.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, yu1.wang@...el.com,
        shuox.liu@...il.com, fei1.li@...el.com
Subject: Re: [PATCH v4 0/2] Introduce some interfaces for ACRN hypervisor HSM
 driver

On Tue, Sep 14, 2021 at 08:59:58AM +0200, Greg KH wrote:
> On Tue, Sep 14, 2021 at 02:26:25PM +0800, Fei Li wrote:
> > Add some new interfaces for ACRN hypervisor HSM driver:
> >   - MMIO device passthrough
> >   - virtual device creating/destroying
> >   - platform information fetching from the hypervisor
> > 
> > ChangeLog:
> > v4:
> >  - remove "RFC" from Subject field.
> > 
> > v3:
> >  - remove "platform information fetching from the hypervisor". What platform
> >    information needs to be fetched has not been finally decided. Will send tis
> >    patch out once that has been decided.
> >  - add comments where is the userspace code that uses this new api:
> >    - MMIO device passthrough
> >      (a) assign a MMIO device to a User VM
> >      https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L562
> >      (b) de-assign a MMIO device from a User VM
> >      https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L568
> >    - virtual device creating/destroying
> >      (a) create a virtual device for a User VM
> >      https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L606
> >      (b) destroy a virtual device of a User VM
> >      https://github.com/projectacrn/acrn-hypervisor/blob/master/devicemodel/core/vmmapi.c#L612
> 
> Can you put these comments in the changelog text?  Stuff in the 0/X
> email never shows up in the changelog at all.

Hi Greg

What's the "changelog text" mean ? Would you please tell how could I do this ? 
I see peoples always describe what does their patches change in the cover letter
(the 0/X email).

thanks.

> 
> thanks,
> 
> greg k-h